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학 사 학 논
Gene Expression Profiling of Breast
Cancer according to
Mammographic Microcalcifications
미 회 에 른
암 자 프 일링
2016 08 월
울 학 학원
임상 과학과
신 승
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Abstract
Introduction: Mammographic microcalcifications are important in early
detection and diagnosis of breast cancer. However, the underlying biological
mechanisms of microcalcifications and the association between
microcalcifications and prognosis of breast cancer are largely unknown. This
study was to investigate association between mammographic
microcalcifications and gene expression profiles of breast cancer using
microarray analysis.
Methods: Gene expression analysis was performed using Affymetrix
GeneChip® Human Gene 2.0 ST arrays in 168 breast cancer patients (median
age, 50.0 years; range, 21-79 years). Mammographic microcalcifications of
these patients were reviewed by three radiologists and were grouped into no
microcalcification (n=99), low-to-intermediate (n=37) and highly (n=32)
suspicious microcalcifications group. To identify differentially expressed
genes (DEGs) between three groups, the one-way analysis of variance was
carried out with post hoc comparisons made with Tukey's honest significant
difference test and P value < 0.05 was applied. To explore biological meaning
behind DEGs, we used DAVID for gene ontology analysis and BioLattice for
clustering analysis.
Results: Total 2551 genes showed different expressions in comparison of
three groups; 1838 DEGs (955 up-regulated and 883 down-regulated) in
highly suspicious microcalcifications/no microcalcification comparison and
484 DEGs (342 up-regulated and 142 down-regulated) in highly
suspicious/low-to-intermediate microcalcifications comparison, 457 DEGs
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(126 up-regulated and 331 down-regulated) in low-to-intermediate/no
microcalcification comparison were discovered. GO analysis revealed that
immune, defense and inflammatory response were decreased in highly
suspicious microcalcifications group when it compared to no
microcalcification group. Clustering analysis using BioLattice also discovered
that immune system is associated with mammographic microcalcifications in
total population and human epidermal growth factor receptor 2-negative
subgroup.
Conclusions: Gene expression patterns are different according to the status of
mammographic microcalcifications in breast cancer. Breast cancers with
mammographic microcalcifications are associated with decreased immune
system activity.
Keywords: Breast Neoplasms, Microcalcification, Microarray analysis,
Human epidermal growth factor receptor 2, Immune system
Student number: 2014-30911
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Contents
Abstract ----------------------------------------------------------- i
Contents ---------------------------------------------------------- iii
Lists for Tables and Figures ------------------------------------ iv
List of Abbreviations -------------------------------------------- v
Introduction ------------------------------------------------------- 1
Materials and Methods ------------------------------------------ 3
Results ------------------------------------------------------------- 9
Discussion -------------------------------------------------------- 27
References -------------------------------------------------------- 32
Appendix 1 ------------------------------------------------------- 37
Appendix 2 ------------------------------------------------------- 44
Appendix 3 ------------------------------------------------------- 47
Appendix 4 ------------------------------------------------------- 58
Appendix 5 ------------------------------------------------------- 63
초록 (국문) ------------------------------------------------------ 66
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Lists for Tables and Figures
Table 1 ------------------------------------------------------------ 10
Table 2 ------------------------------------------------------------ 13
Figure 1 ----------------------------------------------------------- 3
Figure 2 ----------------------------------------------------------- 4
Figure 3 ----------------------------------------------------------- 16
Figure 4 ----------------------------------------------------------- 17
Figure 5 ----------------------------------------------------------- 20
Figure 6 ----------------------------------------------------------- 22
Figure 7 ----------------------------------------------------------- 24
Figure 8 ----------------------------------------------------------- 26
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List of Abbreviations
ANOVA = analysis of variance
DAVID = Database for Annotation, Visualization, and Integrated Discovery
DCIS = ductal carcinoma in situ
DEG = differentially expressed gene
ER = estrogen receptor
GO = gene ontology
HER2 = human epidermal growth factor receptor 2
HR = hormone receptor
PR = progesterone receptor
RNA = ribonucleic acid
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Introduction
Mammography is established screening tool for breast cancer (1) and
microcalcifications are one of the most important findings for detection of
breast cancer. Tabar et al. and others reported that cancers with
microcalcifications of different morphology had different outcome (2-5).
Evidences suggest that microcalcifications affect the prognosis of breast
cancer, in other words, breast cancers with microcalcifications are thought to
be more aggressive and have poorer prognosis than those without
microcalcifications (2, 6-11).
Previous studies have attempted to evaluate and interpret the clinical
perspective of the relationship between mammographic microcalcifications
and the expression of selected biological markers, such as estrogen receptor
(ER), progesterone receptor (PR) or human epidermal growth factor receptor
2 (HER2) using immunohistochemistry. Although there are several reports
that breast cancers with mammographic microcalcifications are more
frequently associated with HER2 overexpression (12-15), those still remain
unclear that what the underlying molecular mechanism regarding formation of
microcalcifications is, how HER2 overexpression affect morphology of
microcalcifications, and how microcalcifications are associated with
prognosis.
Owing to recent advances in computer science, genomics and
imaging technique, there has been growing interests in exploring multiscale
relationships of human breast cancers (16-19). Linking the multiscale
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relationships between clinical, imaging, pathologic and genomic data are so
called radiogenomics. Identifying biological background associated with
progression and tumor aggressiveness in conjunction with imaging features
such as microcalcifications would help to make treatment decisions (20).
However, in breast cancer, mainstay of radiogenomic study often uses MR
imaging. Thus the relationships between mammographic imaging findings
and global transcriptomic profiles are overlooked and remain to be examined.
Accordingly, we hypothesized that gene expression profiles of breast cancer
would be different according to microcalcifications status. The purpose of this
study was to investigate association between mammographic
microcalcifications and gene expression profiles of breast cancer using
microarray analysis.
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Materials and Methods
Study population
This retrospective study was approved by the institutional review
board of Seoul National University Hospital (IRB No. 1409-128-612) and all
patients provided written informed consent for their breast cancer tissue to be
used for genome sequencing (IRB No. 1405-088-580) before operation. Of
the 182 patients enrolled, 14 patients were excluded as non-invasive cancer (n
= 4), or no initial digital mammography (n = 5), or excisional biopsy (n = 2),
or neoadjuvant chemotherapy (n = 1), or metastasis on initial presentation (n =
2). Thus, 168 breast cancer women (mean age, 50.7 years; range, 21-79 years)
were finally included for analysis.
Figure 1 Schematic of inclusion and exclusion criteria and selection process
of this study cohort
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Radiologic review
By using the microcalcifications at mammography as a criterion for
grouping the patients, three radiologists with different degrees of experience
in interpreting mammography independently analyzed microcalcifications
without access to genomic data. After each radiologist had finished the
analysis, a consensus was established. Finally, the population was stratified on
the basis of malignancy probability into no microcalcification (n = 99), low-
to-intermediate (n = 37) and highly (n = 32) suspicious groups.
Figure 2. Examples of microcalcifications. A, Highly suspicious
microcalcifications. B, Low-to-intermediate microcalcifications
Pathologic review
Hematoxylin and eosin–stained slides of frozen human tumor tissue
were examined per standard protocol for pathologic diagnosis.
Immunohistochemical analysis was performed on formalin-fixed, paraffin-
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embedded 4-mm tissue sections using the primary mouse monoclonal
antibodies for ER, PR, HER2, respectively. For equivocal HER2 results (2+),
the status was determined by means of fluorescence in-situ hybridization (21).
Tissue samples and microarray analysis
Tissue samples were dissected through the centers of carcinomatous
region during surgery at our hospital between 2003-2012. Those were frozen
in liquid nitrogen within 20 min following surgical devascularization and
stored at -80˚C. Total RNA from each sample was extracted using TRIZOL
reagent. RNA quality was assessed by Agilent 2100 bioanalyser using RNA
6000 Nano Chip (Agilent Technologies, Amstelveen, The Netherlands), and
quantity was determined by ND-2000 Spectrophotometer (Thermo Inc., DE,
USA). The median RNA extracted was 1.202 g/L (range 0.143-2.986 g/L).
Total RNA was measured by determining UV absorbance at 260nm. Purity of
sample was assessed by measuring OD 260:280nm and OD 260:230nm. The
integrity of RNA samples was confirmed by the appearance of distinct 28S
and18S bands of ribosomal RNA. RNA integrity number (RIN) was
determined using the RIN algorithm of the Agilient 2100 expert software (22).
The quality of the RNA was good with the standard 260/280 ratio and
260/230 ratio of absorbance greater than 1.7 and 1.3 per sample, respectively.
Mean 28S/18S ratio was 1.0 (range 0.3-1.9) and RIN was greater than or
equal to 5.0. In this study, we performed global gene expression analysis
using Affymetrix GeneChip® Human Gene 2.0 ST oligonucleotide arrays
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(53,617 probes). Affymetrix Model 3000 G7 scanner and Affymetrix
Command Console software 1.1 were used for scanning and data extraction.
The raw excel file containing intensity data was used for further analysis. For
normalization, Robust Multiarray-Average algorithm was used (23) which
was developed in the Speed Lab at UC Berkeley.
Statistical analysis and bioinformatics analysis
Demographic characteristics, clinical, pathologic, and
mammographic findings were compared between groups using chi-square test
and Fisher’s exact test for categorical variables. One-way analysis of variance
(ANOVA) was performed for numerical variables.
Statistical analyses of microarray data were performed using R
software, version 3.2.4 (http://www.r‐project.org/). R oligo package was used
for processing microarray data, which is freely available on the World Wide
Web (http://www. bioconductor.org) (24, 25). To identify differentially
expressed genes between three groups the One-way ANOVA was carried out
with post hoc comparisons made with Tukey's honest significant difference
test (26) and P value < 0.05 were applied for subsequent data analysis.
To gain insight into the underlying biology of DEGs related to
mammographic microcalcifications, functional categories enriched in the
differentially expressed genes were identified using the functional annotation
and clustering tool of the Database for Annotation, Visualization, and
Integrated Discovery (DAVID) v6.7 (https://david.ncifcrf.gov/) (27, 28). The
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probability that a GO biological process term is overrepresented was
determined by a modified Fisher’s exact test, comparing the proportion of
genes in the whole genome which are part of that GO term, to the proportion
of the differentially expressed genes which are part of the same GO term, and
was expressed as an Expression Analysis Systematic Explorer (EASE) score
(29). In addition, to interpret and organize observed biological changes, we
used BioLattice (http://www.snubi.org/software/biolattice/), a mathematical
framework based on concept lattice analysis to make association of gene
expression clusters with biological ontologies or biological pathways after k-
means clustering method with respect to the Pearson correlation similarity
measure. We set arbitrary k to a cluster contain genes from 15 to 30. We
chose threshold of P < 0.001 (30). BioLattice considers gene expression
clusters as objects and annotations as attributes and provide a graphical
summary of the order relations by arranging them on a concept lattice in an
order based on set inclusion relation. Rather than interpreting one cluster at a
time, BioLattice integrates all gene expression clusters and annotations into a
unified framework: a lattice of concepts. The top element of a lattice is a unit
concept, representing a concept that contains all objects. The bottom element
is a zero concept having no object. Core–periphery analysis decomposes
BioLattice into four disjoint core–periphery substructures: ‘core’,
‘communicating’, ‘peripheral’ and ‘independent’. The ‘core’ sub-lattice is
defined as the maximal atom sub-lattice in terms of size (i.e., the number of
the red colored concepts). The set of all lower bounds to the nodes included in
the ‘core’ sub-lattice (excluding those included in the ‘core’) is defined as the
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‘communicating’ substructure (in green). When an atom equals a coatom, we
call it ‘independent’ (in yellow). All the rest are defined as ‘peripheral’ (in
gray).
To identify the possible influence of HER2 positivity on
mammographic microcalcifications, correlation analysis between HER2 score
(0, 1+, 2+, and 3+) and microcalcifications (no, low-to-intermediate, and
highly suspicious) and between HER2 score (0, 1+, 2+, and 3+) and gene
expressions were carried out. Correlation analysis between microcalcifications
(no, low-to-intermediate, and highly suspicious) and gene expressions were
performed as well. In addition, we performed subgroup analysis according to
the status of HER2 (positive or negative).
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Results
Clinicopathological data
Median patient age was 50.0 years. Mean tumor size for the study
group was 3.1cm. The patients had invasive ductal carcinomas (89.9%) or
invasive lobular carcinoma (1.8%) or others with a clinical stage of I (14.3%),
II (63.1%), or III (22.6%). Ninety two patients were hormone receptor (HR)
positive and the other 76 were HR negative. As for HER2 receptor status, 38
patients were positive and 130 were negative. Detailed demographic
characteristics and clinicopathologic findings were summarized in Table 1.
HER2 positivity, ductal carcinoma in situ (DCIS) and comedo necrosis (all P
< 0.001) were more frequently seen in the highly suspicious
microcalcifications group. The other demographic, clinical and pathologic
findings are not significantly different between three groups.
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Table 1. Characteristics of patients
No
microcalcifications (n = 99)
Low-to-intermediate
microcalcifications (n = 37)
Highly suspicious microcalcifications
(n = 32) P value
Age, years 0.383 ≤50 53 (53.5) 16 (43.2) 19 (59.4) >50 46 (46.5) 21 (56.8) 13 (40.6)
Menopausal status 0.191 Premenopausal 51 (51.5) 13 (35.1) 18 (56.3) Postmenopausal 48 (48.5) 23 (62.2) 14 (43.8)
Clinical symptom * 0.151 Yes 91 (91.9) 30 (81.1) 27 (84.4) No 8 (8.1) 7 (18.9) 5 (15.6)
Mean tumor size ± SD (cm)† 3.2 ± 1.2 3.1 ± 1.3 2.7 ± 2.1 0.179 No. of nodal metastasis
0 56 (56.6) 18 (48.7) 22 (68.8) 1 or more 43 (43.4) 19 (51.4) 10 (31.3) 0.239 ≥ 4 or more 19 (19.2) 10 (27.0) 6 (18.8) 0.575
Histologic grade 0.799 I-II 31 (31.3) 10 (27.0) 11 (34.4) III 68 (68.7) 27 (73.0) 21 (65.6)
HR positivity 55 (55.6) 22 (59.5) 15 (46.9) 0.560 HER2 positivity 12 (12.1) 10 (27.0) 16 (50.0) <0.001 Triple-negative 33 (33.3) 11 (29.8) 5 (15.6) 0.159 DCIS 58 (58.6) 28 (75.7) 31 (96.9) <0.001 Comedo necrosis 23 (23.2) 21 (56.8) 29 (90.6) <0.001
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HR, hormone receptor. HER2, human epidermal growth factor receptor 2. DCIS, ductal carcinoma in situ. Unless otherwise indicated, data are number of patients and data in parentheses are percentages. * P value was calculated by Fisher’s exact. Others were calculated by chi-square test.
†Numbers represent the mean values ± standard deviations. P value was calculated by ANOVA.
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Imaging analysis
Mammographic features of the patients are shown in Table 2. In
highly suspicious microcalcifications group, majority of patients presented as
irregular mass with microcalcifications (P < 0.001). There was no significant
difference between three groups regarding breast composition or margin and
density of mass. All highly suspicious microcalcifications were classified
according Breast Imaging-Reporting and Data System (BI-RADS) guidelines;
morphology of microcalcifications as coarse heterogeneous (n = 1), fine
pleomorphic (n = 21), fine linear and linear branching (n = 10); distribution as
regional (n = 1), grouped (n = 12), and segmental (n = 19).
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Table 2. Mammographic findings of patients
No
microcalcifications (n = 99)
Low-to-intermediate
microcalcifications (n = 37)
Highly suspicious microcalcifications
(n = 32) P value
Breast composition 0.122 Fatty 34 (34.3) 10 (27.0) 5 (15.6) Dense 65 (65.7) 27 (73.0) 27 (84.4)
Mammographic finding <0.001 Mass with calcification 0 (0) 36 (97.3) 28 (87.5) Mass without calcification 88 (88.9) 0 (0) 0 (0) Asymmetry or architectural
distortion 11 (11.1) 1 (2.7) 4 (12.5)
Mass shape* 0.003 Oval or round 26 (29.5) 12 (33.3) 0 (0) Irregular 62 (70.5) 24 (66.7) 28 (100.0)
Mass margin* † 0.141 Circumscribed 11 (12.5) 4 (11.1) 0 (0) Not circumscribed 77 (87.5) 32 (88.9) 28 (100.0)
Mass density* † 0.132 High 77 (87.5) 30 (83.3) 24 (85.7) Equal 11 (12.5) 6 (16.7) 4 (14.3)
Data are number of patients and data in parentheses are percentages. * Shape, margin and density of mass was evaluated only in mass cases.
† P value was calculated by Fisher’s exact. Others were calculated by chi-square test.
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Imaging-genomic correlation
When we compared the genomic composition of three groups, 2551
genes were differentially expressed at level of P < 0.05; 1838 DEGs (955 up
and 883 down) in highly suspicious/no microcalcifications group comparison
set, 484 DEGs (342 up and 142 down) in highly suspicious/low-to-
intermediate group comparison set, and 457 DEGs (126 up and 331 down) in
low-to-intermediate group/no microcalcifications group comparison set were
extracted. List of DEGs (top 200 genes are shown, ordered by P value) in
highly suspicious microcalcifications/no microcalcification comparison set are
shown in Appendix 1. With these DEG sets, gene ontology analyses and
functional annotation clustering were performed with DAVID. Focusing of
DEGs obtained from highly suspicious/no microcalcifications comparison set,
we found that the 10 top-ranked biological functions (P value from 10-23 to 10-
8, Figure 3) included immune response, antigen processing and presentation,
defense response, regulation of cytokine production, positive regulation of
immune system and response to wounding. Results of functional annotation
clustering are summarized in Appendix 2. To find out where these GO terms
in biological process category came from, up-regulated genes and down-
regulated genes are separately analyzed. We discovered that these immune-
related GO terms are mostly from down-regulated DEGs.
In addition, we used Pearson correlation as similarity measure and
grouped genes into 60, 17, and 16 clusters using k-means clustering (31) for
BioLattice in comparison of highly suspicious/no microcalcification, highly
suspicious/low-to-intermediate, and low-to-intermediate group/no
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microcalcification, respectively. We set arbitrary k as 60, 17 and 16 to each
cluster contain 15-30 genes. We could discover several annotation clusters
associated with immune system in highly suspicious/no microcalcification
comparison set by clustering analysis using BioLattice. Figure 4 shows lattice
of concepts, constructed from the highly suspicious/no microcalcification
comparison set (n = 1838) in total population having 60 clusters annotated by
GO terms in the biological process category. Only 24 among 60 clusters
demonstrate at least one significant GO term(s) (P < 0.001). Overall, the
dataset shows 125 significant annotations with 106 unique GO terms. Four
core concepts (red color) are associated with immune system including
defense response, immune response, and inflammatory response. The upper
semicircle of a concept node contains the concept ID and the lower semicircle
the list of the cluster IDs belonging to the node.
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Figure 3. Enriched gene ontology biologic process terms using DEGs (n = 1838) from highly suspicious microcalcifications/no
microcalcification comparison set. Immune system-related GO terms in biological process category are enriched in no microcalcification
group.
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Figure 4. Concept lattice constructed from the highly suspicious/no microcalcification comparison set (n = 1838) in total population having
60 clusters annotated by GO terms in the biological process category. Only 24 among 60 clusters demonstrate at least one significant GO
term(s) (P < 0.001). Overall, the dataset shows 125 significant annotations with 106 unique GO terms. The core–periphery substructures
marked with colors (i.e., core in red, communicating in green, independent in yellow and peripheral in gray).
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Before interpreting the results, because we know that HER2
overexpression is correlated with mammographic microcalcifications; we had
concern that the composition of HER2 overexpression between groups is
significantly different (P < 0.001). Thus, we decided to analyze its correlation
with genomic composition and microcalcifications score and to conduct
further subgroup analysis according to the status of HER2 positivity.
In analysis of correlation between HER2 score (0, 1+, 2+, 3+) and
microcalcifications (no, low-to-intermediate, highly suspicious), there was
weak correlation with correlation coefficient (r) 0.264 and P value < 0.001. In
analysis of correlation between HER2 score (0, 1+, 2+, 3+) and genomic
composition, 297 genes are significantly correlated with HER2 score with
Bonferroni-adjusted P value < 0.05 (Appendix 3). As expected, ERBB2 (r =
0.716) and GRB7 (r = 0.652) are ranked first and second in order of r. When
those 297 genes applied to GO database, there was no significant GO term
with P value < 0.05. Between these 297 genes and gene set initially obtained
from highly suspicious/no microcalcifications comparison set, only 62 genes
(20.9%) were overlapped. In addition, we carried out correlation analysis
between microcalcifications (no, low-to-intermediate, highly suspicious) and
genomic composition and obtained 116 genes with r > 0.3 and false discovery
rate < 0.05 (Appendix 4). Interestingly, there are several other genes with
larger correlation coefficient than ERBB2. It suggests that there may be
pathways other than HER2 signaling pathway of microcalcifications
formation in the breast.
In HER2 positive subgroup (n = 38) with same methodology above,
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1044 DEGs were extracted at P value < 0.05; 187 DEGs (91 up and 96 down)
in highly suspicious/no microcalcification comparison set, 474 DEGs (188 up
and 286 down) in highly suspicious/low-to-intermediate comparison set, and
498 DEGs (374 up and 124 down) in low-to-intermediate/no
microcalcification comparison set. There was no significant GO term in
biological process category or cluster performed using DEGs in all
comparison set.
In HER2 negative subgroup (n = 130), total 1679 DEGs were
extracted at P value < 0.05; 1047 DEGs (465 up and 582 down) in highly
suspicious/no microcalcification comparison set, 199 DEGs (123 up and 76
down) in highly suspicious/low-to-intermediate comparison set, and 370
DEGs (130 up and 240 down) in low-to-intermediate/no microcalcification
comparison set. Focusing on DEGs obtained from highly suspicious/no
microcalcification comparison set, we found that the 10 top-ranked biological
functions (P value from 10-39 to 10-9, Figure 5) included immune response,
defense response, antigen processing and presentation, inflammatory response,
response to wounding, and regulation of cytokine production. Results of
functional annotation clustering are summarized in Appendix 5.
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Figure 5. Enriched gene ontology biologic process terms using DEGs (n = 1047) from highly suspicious/no microcalcification comparison set
in HER2-negative subgroup.
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In addition, we applied k-means clustering (31) to construct 20 and
40 groups of coexpressed genes for BioLattice for HER2-positive and HER2-
negative group, respectively. In HER2-positive subgroup, no statistically
significant cluster was discovered. In concept lattice constructed from the
highly suspicious/no microcalcification comparison set (n = 1047) in HER2-
negative subgroup having 40 clusters annotated by GO terms in the biological
process category. Only 16 among 40 clusters demonstrate at least one
significant GO term(s) (P < 0.001). Overall, the dataset shows 54 significant
annotations with 43 unique GO terms. Four core concepts (red color) and
three of them are associated with immune system including defense response,
immune response, and inflammatory response (Figure 6).
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Figure 6. Concept lattice constructed from the highly suspicious/no microcalcification comparison set (n = 1047) in HER2-negative subgroup
having 40 clusters annotated by GO terms in the biological process category. Only 16 among 40 clusters demonstrate at least one significant
GO term(s) (P < 0.001). Overall, the dataset shows 54 significant annotations with 43 unique GO terms. The core–periphery substructures
marked with colors (i.e., core in red, communicating in green, independent in yellow and peripheral in gray).
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In HER2-negative subgroup, further subgroup analysis was done
according to HR status. In HER2-negative/HR-positive group, there were 53
patients with no microcalcification, 18 with low-to-intermediate, and 12 with
highly suspicious microcalcifications. There were 478 DEGs (292 up and 186
down) in highly suspicious/no microcalcification comparison set, 236 DEGs
(182 up and 54 down) in highly suspicious/low-to-intermediate comparison
set, and 252 DEGs (103 up and 149 down) in low-to-intermediate/no
microcalcification comparison set. There was no statistically significant GO
term. However, using 478 DEGs in highly suspicious/no microcalcification
comparison set, we found that the 10 top-ranked biological functions (P value
from 10-4 to 10-2) included GO terms related with immune system when it was
ordered by P value (Figure 7).
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Figure 7. Enriched GO terms in HER2-negative/HR-positive subgroup
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In HER2-negative/HR-negative subgroup, there were 34 patients with no
microcalcification, 9 with low-to-intermediate, and 4 with highly suspicious
microcalcifications. There were 715 DEGs (310 up and 405 down) in highly
suspicious/no microcalcification comparison set, 309 DEGs (203 up and 106
down) in highly suspicious/low-to-intermediate comparison set, and 316
DEGs (159 up and 157 down) in low-to-intermediate/no microcalcification
comparison set. Using 715 DEGs in highly suspicious/no microcalcification
comparison set, we found that the 10 top-ranked biological functions (P value
from 10-28 to 10-10) included GO terms related with immune system when it
was ordered by P value (Figure 8).
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Figure 8. Enriched GO terms in HER2-negative/HR-negative subgroup
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Discussion
We have searched for DEGs in breast cancer containing
microcalcifications on mammography in compare with those without
microcalcifications. GO and clustering analysis using DAVID and BioLattice
identified genes and corresponding molecular networks that were highly
associated with the decreased immune system activity in patients with
mammographic microcalcifications. Interestingly, there were larger numbers
of DEGs according to the status of mammographic microcalcifications in
HER2-negative group than HER2-positive group. In addition, there were
many statistically significant annotation clusters composed of immune system
or inflammation related GO terms in HER2-negative group, as is not in
HER2-positive group.
These results suggest that microcalcifications of breast cancer are in
a part interact with immune system. Recently, there has been growing
interests in tumor-immune interaction; that immunity, and its mutual
interaction with tumor cells and tumor microenvironment, might play an
important role in malignancy. Moreover, there are evidences that tumor
infiltrating lymphocytes (TILs) may have prognostic value and sometimes
even predictive value in triple-negative breast cancer (32-35) or HER2-
positive breast cancer (33, 36). In other words, the presence of high TILs is
associated with a better prognosis. Relationship between tumor and immune
system is not solely an issue of immune response to tumor cells, but it also
modulates tumor microenvironment and affects the disease biology including
processes of tumor growth, metastasis, and therapeutic responsiveness (37).
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Up to date, the relationship between immune system activity and
prognosis is not clearly discovered yet in other subtypes except triple-negative
and HER2-positive breast cancer (37). Besides, there is no data whether
immune system activity has association with mammographic
microcalcifications. Even though the direct cellular mechanisms or biologic
pathways between microcalcifications and immune system are not discovered,
we can suggest one possible explanation for it. It is known that rapidly
proliferating tumor cells which use up the bloody supply result in tumor
necrosis and subsequent acidosis in the microenvironment that finally causes
calcium accumulation in the ducts (38). Activated immune system may deter
the proliferation of tumor cells and necrosis caused by hypoxia seldom occurs.
In contrary, breast cancers with decreased immune system activity likely to
have uncontrolled tumor cell proliferation and tumor necrosis may frequently
occur and it finally causes microcalcifications in the ducts. Thus, it makes
sense that breast cancers without microcalcifications are associated with
activated immune system and breast cancer with microcalcifications are
associated with decreased immune system activity. However, there is a
conflict between our results that breast cancer with microcalcifications is
associated with rapidly proliferating tumor cells following decreased immune
system and the fact that DCIS is known as indolent non-invasive tumor but
frequently associated with mammographic microcalcifications. The way how
microcalcifications are produced is might be various between invasive cancer
and DCIS and it needs to be checked in further study.
Our results indicate that there are biological differences regarding
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immune system activity between breast cancers according to the state of
microcalcifications. Although P values obtained in several subgroup analyses
didn’t reach the statistical significance probably due to small number of cases,
our results showed that the association between immune system and
microcalcifications is consistently seen in multistep subgroup analyses. If
increased activity of immune system is associated with good prognosis in
breast cancer, breast cancer with mammographic microcalcifications are
possibly associated with poor prognosis. Similarly, in HR-positive breast
cancers, absence of microcalcifications in the mass is known to be an
independent predictors associated with low recurrence score which was
assessed by the 21-gene recurrence score assays. There remains the curiosity
that why the differences is more prominent in HER2-negative subgroup than
HER2-positive subgroup. However, the recognition of this association
between mammographic microcalcifications and immune system could lead to
a better and deep understanding of the underlying tumor biology, may be
useful in dissecting complex tumor-immune interaction and in providing
potential targets for novel therapeutic approaches to breast cancer therapy
with drugs, help to identify noninvasive imaging surrogates for breast cancer,
and offer a potential strategy for noninvasively selecting patients who may be
candidates for individualized therapies (37, 39).
Our study has several limitations. First, this study is retrospective
design, and there may be selection bias in our database. In addition, we don’t
have validation set to support our results. In The Cancer Genome Atlas
(TCGA), there were only 4 patients with preoperative mammography at the
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time of our study. Second, interpretation of mammographic
microcalcifications is subjective and other imaging findings were not
considered in this study. Third, breast cancer is a heterogeneous disease
regarding its gene expression profiles. Even though we performed subgroup
analysis according to IHC-based subtypes, these are not exactly same with
molecular subtypes. Thus, there are possibilities that the differences between
two groups are not only due to microcalcifications status but also due to
intrinsic subtypes of breast cancer. Also the interaction between breast cancer
and the immune system may be different and rely on different mechanisms by
molecular subtypes or imaging phenotypes. Lastly, we didn’t perform in vitro
experiment regarding cellular mechanism of calcium deposit or ex vivo
experiment whether immune cells differently exist or immune cell markers are
differently presented according to mammographic microcalcifications indeed.
It is beyond our reach, but our results could offer a hint for further study about
biological process or cell signaling pathways of microcalcifications formation.
However, this is the first study examining the global gene expression profiles
of breast cancer according to the mammographic microcalcifications. And it is
the largest study where over one hundred patients with microarray data were
enrolled and correlated with imaging feature in breast cancer. In addition, the
results of this study indicate that molecular profiles of breast cancer with
microcalcifications are affected by HER2 status. It suggests that there might
be association (either activation or inhibition) between HER2 signaling
pathway and immune pathway in breast cancer and also proposes potentially
targetable HER2-independent and -dependent mechanisms for immune
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system in breast cancer with microcalcifications.
In conclusion, gene expression patterns are different according to the
status of mammographic microcalcifications in breast cancer. Breast cancers
with mammographic microcalcifications are associated with decreased
immune system activity. Further studies are needed to investigate the
relationship between the mammographic microcalcifications and clinical
outcome in breast cancer patients.
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Appendix 1. Differentially expressed genes in highly suspicious
microcalcifications /no microcalcification comparison set in total population
(top 200 genes are shown, ordered by P value)
NCBI ID
HUGO Gene Name P value
94103 ORMDL3 ORMDL sphingolipid biosynthesis regulator 3
0.000
3038 HAS3 hyaluronan synthase 3 0.000 338557 FFAR4 free fatty acid receptor 4 0.000 64175 P3H1 prolyl 3-hydroxylase 1 0.000 1301 COL11A
1 collagen, type XI, alpha 1 0.000
54894 RNF43 ring finger protein 43 0.000 84624 FNDC1 fibronectin type III domain containing 1 0.000 6507 SLC1A3 solute carrier family 1 (glial high affinity
glutamate transporter), member 3 0.000
3983 ABLIM1 actin binding LIM protein 1 0.000 5996 RGS1 regulator of G-protein signaling 1 0.000 1501 CTNND2 catenin (cadherin-associated protein), delta 2 0.000 2064 ERBB2 erb-b2 receptor tyrosine kinase 2 0.000 80896 NPL N-acetylneuraminate pyruvate lyase
(dihydrodipicolinate synthase) 0.000
5328 PLAU plasminogen activator, urokinase 0.000 713 C1QB complement component 1, q subcomponent,
B chain 0.000
822 CAPG capping protein (actin filament), gelsolin-like
0.000
1573 CYP2J2 cytochrome P450, family 2, subfamily J, polypeptide 2
0.000
586 BCAT1 branched chain amino-acid transaminase 1, cytosolic
0.000
2706 GJB2 gap junction protein beta 2 0.000 10082 GPC6 glypican 6 0.000 8654 PDE5A phosphodiesterase 5A, cGMP-specific 0.000 284161 GDPD1 glycerophosphodiester phosphodiesterase
domain containing 1 0.000
7045 TGFBI transforming growth factor, beta-induced, 68kDa
0.000
29108 PYCARD PYD and CARD domain containing 0.000 4804 NGFR nerve growth factor receptor 0.000 1508 CTSB cathepsin B 0.000 2207 FCER1G Fc fragment of IgE, high affinity I, receptor
for; gamma polypeptide 0.000
860 RUNX2 runt-related transcription factor 2 0.000
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NCBI ID
HUGO Gene Name P value
639 PRDM1 PR domain containing 1, with ZNF domain 0.000 4973 OLR1 oxidized low density lipoprotein (lectin-like)
receptor 1 0.000
5329 PLAUR plasminogen activator, urokinase receptor 0.000 113451 AZIN2 antizyme inhibitor 2 0.000 6578 SLCO2A
1 solute carrier organic anion transporter family, member 2A1
0.000
2886 GRB7 growth factor receptor-bound protein 7 0.000 219 ALDH1B
1 aldehyde dehydrogenase 1 family, member B1
0.000
7805 LAPTM5 lysosomal protein transmembrane 5 0.000 79783 SUGCT succinyl-CoA:glutarate-CoA transferase 0.000 2532 ACKR1 atypical chemokine receptor 1 (Duffy blood
group) 0.000
27244 SESN1 sestrin 1 0.000 79899 PRR5L proline rich 5 like 0.000 84299 MIEN1 migration and invasion enhancer 1 0.000 2205 FCER1A Fc fragment of IgE, high affinity I, receptor
for; alpha polypeptide 0.000
8828 NRP2 neuropilin 2 0.000 91614 DEPDC7 DEP domain containing 7 0.000 90865 IL33 interleukin 33 0.000 54407 SLC38A2 solute carrier family 38, member 2 0.000 2335 FN1 fibronectin 1 0.000 10797 MTHFD2 methylenetetrahydrofolate dehydrogenase
(NADP+ dependent) 2, methenyltetrahydrofolate cyclohydrolase
0.000
2517 FUCA1 fucosidase, alpha-L- 1, tissue 0.000 399664 MEX3D mex-3 RNA binding family member D 0.000 339745 SPOPL speckle-type POZ protein-like 0.000 79762 C1orf115 chromosome 1 open reading frame 115 0.000 55080 TAPBPL TAP binding protein-like 0.000 55876 GSDMB gasdermin B 0.000 440021 KRTAP5-
2 keratin associated protein 5-2 0.000
154661 RUNDC3B
RUN domain containing 3B 0.000
1244 ABCC2 ATP-binding cassette, sub-family C (CFTR/MRP), member 2
0.000
5580 PRKCD protein kinase C, delta 0.000 10437 IFI30 interferon, gamma-inducible protein 30 0.000 345274 SLC10A6 solute carrier family 10 (sodium/bile acid
cotransporter), member 6 0.000
11031 RAB31 RAB31, member RAS oncogene family 0.000
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NCBI ID
HUGO Gene Name P value
100506144
ZMYM6NB
ZMYM6 neighbor 0.000
83699 SH3BGRL2
SH3 domain binding glutamate-rich protein like 2
0.000
23384 SPECC1L sperm antigen with calponin homology and coiled-coil domains 1-like
0.000
79983 POF1B premature ovarian failure, 1B 0.000 1215 CMA1 chymase 1, mast cell 0.000 9635 CLCA2 chloride channel accessory 2 0.000 51705 EMCN endomucin 0.000 93210 PGAP3 post-GPI attachment to proteins 3 0.000 57609 DIP2B disco-interacting protein 2 homolog B 0.000 3652 IPP intracisternal A particle-promoted
polypeptide 0.000
92 ACVR2A activin A receptor type IIA 0.000 199 AIF1 allograft inflammatory factor 1 0.000 968 CD68 CD68 molecule 0.000 220441 RNF152 ring finger protein 152 0.000 9914 ATP2C2 ATPase, Ca++ transporting, type 2C,
member 2 0.000
3156 HMGCR 3-hydroxy-3-methylglutaryl-CoA reductase 0.000 729220 FLJ45513 uncharacterized LOC729220 0.000 23411 SIRT1 sirtuin 1 0.000 131578 LRRC15 leucine rich repeat containing 15 0.000 8590 OR6A2 olfactory receptor, family 6, subfamily A,
member 2 0.000
3021 H3F3B H3 histone, family 3B (H3.3B) 0.000 5138 PDE2A phosphodiesterase 2A, cGMP-stimulated 0.000 254170 FBXO33 F-box protein 33 0.000 54532 USP53 ubiquitin specific peptidase 53 0.000 2882 GPX7 glutathione peroxidase 7 0.000 84181 CHD6 chromodomain helicase DNA binding
protein 6 0.000
26064 RAI14 retinoic acid induced 14 0.000 23598 PATZ1 POZ (BTB) and AT hook containing zinc
finger 1 0.000
5169 ENPP3 ectonucleotide pyrophosphatase/phosphodiesterase 3
0.000
4481 MSR1 macrophage scavenger receptor 1 0.000 9618 TRAF4 TNF receptor-associated factor 4 0.000 8452 CUL3 cullin 3 0.000 51652 CHMP3 charged multivesicular body protein 3 0.000 2212 FCGR2A Fc fragment of IgG, low affinity IIa, receptor
(CD32) 0.000
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NCBI ID
HUGO Gene Name P value
2590 GALNT2 polypeptide N-acetylgalactosaminyltransferase 2
0.000
4323 MMP14 matrix metallopeptidase 14 (membrane-inserted)
0.000
59351 PBOV1 prostate and breast cancer overexpressed 1 0.000 50515 CHST11 carbohydrate (chondroitin 4)
sulfotransferase 11 0.000
114784 CSMD2 CUB and Sushi multiple domains 2 0.000 57194 ATP10A ATPase, class V, type 10A 0.000 84640 USP38 ubiquitin specific peptidase 38 0.000 23505 TMEM13
1 transmembrane protein 131 0.000
151473 SLC16A14
solute carrier family 16, member 14 0.000
124801 LSM12 LSM12 homolog 0.000 115908 CTHRC1 collagen triple helix repeat containing 1 0.000 7226 TRPM2 transient receptor potential cation channel,
subfamily M, member 2 0.000
5789 PTPRD protein tyrosine phosphatase, receptor type, D
0.000
5502 PPP1R1A protein phosphatase 1, regulatory (inhibitor) subunit 1A
0.000
2745 GLRX glutaredoxin (thioltransferase) 0.000 81832 NETO1 neuropilin (NRP) and tolloid (TLL)-like 1 0.000 6567 SLC16A2 solute carrier family 16, member 2 (thyroid
hormone transporter) 0.000
84311 MRPL45 mitochondrial ribosomal protein L45 0.000 1182 CLCN3 chloride channel, voltage-sensitive 3 0.000 10855 HPSE heparanase 0.000 196051 PLPP4 phospholipid phosphatase 4 0.000 54209 TREM2 triggering receptor expressed on myeloid
cells 2 0.000
2210 FCGR1B Fc fragment of IgG, high affinity Ib, receptor (CD64)
0.000
25903 OLFML2B
olfactomedin like 2B 0.000
6426 SRSF1 serine/arginine-rich splicing factor 1 0.000 7130 TNFAIP6 tumor necrosis factor, alpha-induced protein
6 0.000
2825 GPR1 G protein-coupled receptor 1 0.000 5709 PSMD3 proteasome 26S subunit, non-ATPase 3 0.000 55083 KIF26B kinesin family member 26B 0.000 220929 ZNF438 zinc finger protein 438 0.000 30837 SOCS7 suppressor of cytokine signaling 7 0.000
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NCBI ID
HUGO Gene Name P value
55808 ST6GALNAC1
ST6 (alpha-N-acetyl-neuraminyl-2,3-beta-galactosyl-1,3)-N-acetylgalactosaminide alpha-2,6-sialyltransferase 1
0.000
719 C3AR1 complement component 3a receptor 1 0.000 4322 MMP13 matrix metallopeptidase 13 0.000 23601 CLEC5A C-type lectin domain family 5, member A 0.000 3682 ITGAE integrin, alpha E (antigen CD103, human
mucosal lymphocyte antigen 1; alpha polypeptide)
0.000
79953 SYNDIG1
synapse differentiation inducing 1 0.000
3107 HLA-C major histocompatibility complex, class I, C 0.000 7515 XRCC1 X-ray repair complementing defective repair
in Chinese hamster cells 1 0.000
1950 EGF epidermal growth factor 0.000 168507 PKD1L1 polycystic kidney disease 1 like 1 0.000 7783 ZP2 zona pellucida glycoprotein 2 (sperm
receptor) 0.000
401494 HACD4 3-hydroxyacyl-CoA dehydratase 4 0.000 9659 PDE4DIP phosphodiesterase 4D interacting protein 0.000 3081 HGD homogentisate 1,2-dioxygenase 0.000 619189 SERINC4 serine incorporator 4 0.000 5480 PPIC peptidylprolyl isomerase C (cyclophilin C) 0.000 8832 CD84 CD84 molecule 0.000 283209 PGM2L1 phosphoglucomutase 2-like 1 0.000 9411 ARHGAP
29 Rho GTPase activating protein 29 0.000
51300 TIMMDC1
translocase of inner mitochondrial membrane domain containing 1
0.000
54972 TMEM132A
transmembrane protein 132A 0.000
8897 MTMR3 myotubularin related protein 3 0.000 339479 BRINP3 bone morphogenetic protein/retinoic acid
inducible neural-specific 3 0.000
56944 OLFML3 olfactomedin like 3 0.000 221895 JAZF1 JAZF zinc finger 1 0.000 4354 MPP1 membrane protein, palmitoylated 1 0.000 1363 CPE carboxypeptidase E 0.000 5045 FURIN furin (paired basic amino acid cleaving
enzyme) 0.000
220002 CYB561A3
cytochrome b561 family, member A3 0.000
11076 TPPP tubulin polymerization promoting protein 0.000 57214 CEMIP cell migration inducing protein, hyaluronan
binding 0.000
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NCBI ID
HUGO Gene Name P value
3763 KCNJ6 potassium channel, inwardly rectifying subfamily J, member 6
0.000
911 CD1C CD1c molecule 0.000 6404 SELPLG selectin P ligand 0.000 6558 SLC12A2 solute carrier family 12
(sodium/potassium/chloride transporter), member 2
0.000
421 ARVCF armadillo repeat gene deleted in velocardiofacial syndrome
0.000
730 C7 complement component 7 0.000 7148 TNXB tenascin XB 0.000 285180 RUFY4 RUN and FYVE domain containing 4 0.000 27036 SIGLEC7 sialic acid binding Ig-like lectin 7 0.000 92745 SLC38A5 solute carrier family 38, member 5 0.000 200734 SPRED2 sprouty-related, EVH1 domain containing 2 0.001 79720 VPS37B vacuolar protein sorting 37 homolog B (S.
cerevisiae) 0.001
1848 DUSP6 dual specificity phosphatase 6 0.001 91 ACVR1B activin A receptor type IB 0.001 85379 KIAA167
1 KIAA1671 0.001
5787 PTPRB protein tyrosine phosphatase, receptor type, B
0.001
5027 P2RX7 purinergic receptor P2X, ligand gated ion channel, 7
0.001
1741 DLG3 discs, large homolog 3 (Drosophila) 0.001 80045 GPR157 G protein-coupled receptor 157 0.001 256979 SUN3 Sad1 and UNC84 domain containing 3 0.001 10154 PLXNC1 plexin C1 0.001 54708 MARCH5 membrane-associated ring finger (C3HC4) 5 0.001 5199 CFP complement factor properdin 0.001 8030 CCDC6 coiled-coil domain containing 6 0.001 317649 EIF4E3 eukaryotic translation initiation factor 4E
family member 3 0.001
1303 COL12A1
collagen, type XII, alpha 1 0.001
11094 CACFD1 calcium channel flower domain containing 1 0.001 56889 TM9SF3 transmembrane 9 superfamily member 3 0.001 168391 GALNTL
5 polypeptide N-acetylgalactosaminyltransferase-like 5
0.001
1833 EPYC epiphycan 0.001 121457 IKBIP IKBKB interacting protein 0.001 120224 TMEM45
B transmembrane protein 45B 0.001
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NCBI ID
HUGO Gene Name P value
10039 PARP3 poly(ADP-ribose) polymerase family member 3
0.001
89790 SIGLEC10
sialic acid binding Ig-like lectin 10 0.001
387264 KRTAP5-1
keratin associated protein 5-1 0.001
5783 PTPN13 protein tyrosine phosphatase, non-receptor type 13 (APO-1/CD95 (Fas)-associated phosphatase)
0.001
526 ATP6V1B2
ATPase, H+ transporting, lysosomal 56/58kDa, V1 subunit B2
0.001
338657 CCDC84 coiled-coil domain containing 84 0.001 10948 STARD3 StAR-related lipid transfer domain
containing 3 0.001
441272 SPDYE3 speedy/RINGO cell cycle regulator family member E3
0.001
118424 UBE2J2 ubiquitin-conjugating enzyme E2, J2 0.001 8710 SERPINB
7 serpin peptidase inhibitor, clade B (ovalbumin), member 7
0.001
692094 MSMP microseminoprotein, prostate associated 0.001
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Appendix 2. Functional annotation clusters using DEGs (n = 1838) from highly suspicious/no microcalcifications comparison set which
contain GO terms in the biological process category with enrichment score > 3.5
Gene Ontology ID Term Fold Enrichment
P Value Bonferroni
Annotation Cluster 1 Enrichment Score: 8.451 GO:0006952 defense response 2.362 0.000 0.000 GO:0009611 response to wounding 2.291 0.000 0.000 GO:0006954 inflammatory response 2.668 0.000 0.000 Annotation Cluster 2 Enrichment Score: 7.474 GO:0019882 antigen processing and presentation 6.530 0.000 0.000 GO:0048002 antigen processing and presentation of peptide antigen 11.614 0.000 0.000 GO:0019884 antigen processing and presentation of exogenous antigen 13.937 0.000 0.000 GO:0002478 antigen processing and presentation of exogenous peptide
antigen 15.767 0.000 0.000
GO:0002474 antigen processing and presentation of peptide antigen via MHC class I
11.477 0.000 0.001
GO:0019886 antigen processing and presentation of exogenous peptide antigen via MHC class II
16.260 0.000 0.029
GO:0002495 antigen processing and presentation of peptide antigen via MHC class II
16.260 0.000 0.029
GO:0002504 antigen processing and presentation of peptide or polysaccharide antigen via MHC class II
6.570 0.000 0.036
Annotation Cluster 3 Enrichment Score: 5.300 GO:0002684 positive regulation of immune system process 3.370 0.000 0.000
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Gene Ontology ID Term Fold Enrichment
P Value Bonferroni
GO:0050778 positive regulation of immune response 4.037 0.000 0.000 GO:0048584 positive regulation of response to stimulus 2.940 0.000 0.000 GO:0002252 immune effector process 3.559 0.000 0.002 GO:0002443 leukocyte mediated immunity 4.285 0.000 0.005 GO:0002250 adaptive immune response 4.505 0.000 0.005 GO:0002460 adaptive immune response based on somatic recombination
of immune receptors built from immunoglobulin superfamily domains
4.505 0.000 0.005
GO:0002449 lymphocyte mediated immunity 4.336 0.000 0.044 GO:0016064 immunoglobulin mediated immune response 4.818 0.000 0.079 GO:0019724 B cell mediated immunity 4.646 0.000 0.111 GO:0002253 activation of immune response 3.459 0.000 0.242 GO:0006958 complement activation, classical pathway 3.738 0.042 1.000 GO:0002455 humoral immune response mediated by circulating
immunoglobulin 3.497 0.052 1.000
Annotation Cluster 4 Enrichment Score: 4.538 GO:0032963 collagen metabolic process 7.743 0.000 0.008 GO:0044236 multicellular organismal metabolic process 6.445 0.000 0.013 GO:0044259 multicellular organismal macromolecule metabolic process 6.993 0.000 0.020 GO:0044243 multicellular organismal catabolic process 6.671 0.000 0.313 GO:0030574 collagen catabolic process 6.504 0.002 0.994 Annotation Cluster 5 Enrichment Score: 4.124 GO:0030199 collagen fibril organization 7.476 0.000 0.011 GO:0030198 extracellular matrix organization 3.335 0.000 0.206 GO:0043062 extracellular structure organization 2.394 0.001 0.982
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Gene Ontology ID Term Fold Enrichment
P Value Bonferroni
Annotation Cluster 6 Enrichment Score: 3.531 GO:0001817 regulation of cytokine production 3.833 0.000 0.000 GO:0001819 positive regulation of cytokine production 4.095 0.000 0.009 GO:0050707 regulation of cytokine secretion 7.226 0.000 0.015 GO:0050714 positive regulation of protein secretion 5.816 0.000 0.035 GO:0051240 positive regulation of multicellular organismal process 2.488 0.000 0.062 GO:0051222 positive regulation of protein transport 4.206 0.000 0.129 GO:0050715 positive regulation of cytokine secretion 7.541 0.000 0.146 GO:0050708 regulation of protein secretion 4.485 0.000 0.152 GO:0032731 positive regulation of interleukin-1 beta production 9.291 0.000 0.565 GO:0051223 regulation of protein transport 2.853 0.001 0.882 GO:0032732 positive regulation of interleukin-1 production 7.652 0.001 0.899 GO:0070201 regulation of establishment of protein localization 2.688 0.001 0.979 GO:0050718 positive regulation of interleukin-1 beta secretion 9.033 0.002 0.991 GO:0032651 regulation of interleukin-1 beta production 6.504 0.002 0.994 GO:0050706 regulation of interleukin-1 beta secretion 8.338 0.002 0.999 GO:0050716 positive regulation of interleukin-1 secretion 7.743 0.003 1.000 GO:0032652 regulation of interleukin-1 production 5.656 0.003 1.000 GO:0050704 regulation of interleukin-1 secretion 7.226 0.004 1.000 GO:0051047 positive regulation of secretion 2.586 0.004 1.000 GO:0032880 regulation of protein localization 2.356 0.005 1.000 GO:0051046 regulation of secretion 1.932 0.012 1.000 GO:0051050 positive regulation of transport 1.847 0.015 1.000 GO:0060341 regulation of cellular localization 1.748 0.021 1.000
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Appendix 3. Gene lists (n = 279) which correlate with HER2 score (0, 1+, 2+,
3+) with Bonferroni corrected P value < 0.05 (ordered by P value and
correlation coefficient (r))
NCBI ID
HUGO Gene Symbol
Gene Name r
2064 ERBB2 erb-b2 receptor tyrosine kinase 2 0.716 2886 GRB7 growth factor receptor-bound protein 7 0.652 10948 STARD
3 StAR-related lipid transfer domain containing 3
0.633
84299 MIEN1 migration and invasion enhancer 1 0.603 93210 PGAP3 post-GPI attachment to proteins 3 0.676 389816 LRRC2
6 leucine rich repeat containing 26 0.591
23199 GSE1 Gse1 coiled-coil protein 0.555 118430 MUCL1 mucin-like 1 0.536 646424 SPINK8 serine peptidase inhibitor, Kazal type 8
(putative) 0.522
8557 TCAP titin-cap 0.515 51755 CDK12 cyclin-dependent kinase 12 0.512 9635 CLCA2 chloride channel accessory 2 0.511 120224 TMEM4
5B transmembrane protein 45B 0.510
25803 SPDEF SAM pointed domain containing ETS transcription factor
0.509
80021 TMEM62
transmembrane protein 62 0.509
144110 TMEM86A
transmembrane protein 86A 0.502
94103 ORMDL3
ORMDL sphingolipid biosynthesis regulator 3
0.500
5409 PNMT phenylethanolamine N-methyltransferase 0.498 3081 HGD homogentisate 1,2-dioxygenase 0.498 2863 GPR39 G protein-coupled receptor 39 0.497 27289 RND1 Rho family GTPase 1 0.495 80725 SRCIN1 SRC kinase signaling inhibitor 1 0.489 7703 PCGF2 polycomb group ring finger 2 0.482 1741 DLG3 discs, large homolog 3 (Drosophila) 0.481 26154 ABCA1
2 ATP-binding cassette, sub-family A (ABC1), member 12
0.480
412 STS steroid sulfatase (microsomal), isozyme S 0.480 145741 C2CD4
A C2 calcium-dependent domain containing 4A
0.478
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NCBI ID
HUGO Gene Symbol
Gene Name r
2108 ETFA electron-transfer-flavoprotein, alpha polypeptide
0.478
8659 ALDH4A1
aldehyde dehydrogenase 4 family, member A1
0.478
79017 GGCT gamma-glutamylcyclotransferase 0.476 3110 MNX1 motor neuron and pancreas homeobox 1 0.475 92291 CAPN1
3 calpain 13 0.470
2539 G6PD glucose-6-phosphate dehydrogenase 0.470 5083 PAX9 paired box 9 0.466 5514 PPP1R1
0 protein phosphatase 1, regulatory subunit 10
0.464
3227 HOXC11
homeobox C11 0.461
57415 C3orf14 chromosome 3 open reading frame 14 0.460 197131 UBR1 ubiquitin protein ligase E3 component n-
recognin 1 0.460
56241 SUSD2 sushi domain containing 2 0.459 2264 FGFR4 fibroblast growth factor receptor 4 0.453 5469 MED1 mediator complex subunit 1 0.453 151473 SLC16
A14 solute carrier family 16, member 14 0.453
283987 HID1 HID1 domain containing 0.451 339287 MSL1 male-specific lethal 1 homolog
(Drosophila) 0.451
6567 SLC16A2
solute carrier family 16, member 2 (thyroid hormone transporter)
0.449
389434 IYD iodotyrosine deiodinase 0.448 79820 CATSP
ERB catsper channel auxiliary subunit beta 0.448
2624 GATA2 GATA binding protein 2 0.445 11094 CACFD
1 calcium channel flower domain containing 1
0.444
64090 GAL3ST2
galactose-3-O-sulfotransferase 2 0.444
57222 ERGIC1 endoplasmic reticulum-golgi intermediate compartment 1
0.443
8396 PIP4K2B
phosphatidylinositol-5-phosphate 4-kinase, type II, beta
0.443
57221 ARFGEF3
ARFGEF family member 3 0.441
29095 ORMDL2
ORMDL sphingolipid biosynthesis regulator 2
0.440
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NCBI ID
HUGO Gene Symbol
Gene Name r
200734 SPRED2
sprouty-related, EVH1 domain containing 2 0.440
157638 FAM84B
family with sequence similarity 84, member B
0.440
1244 ABCC2 ATP-binding cassette, sub-family C (CFTR/MRP), member 2
0.439
3263 HPX hemopexin 0.439 2257 FGF12 fibroblast growth factor 12 0.438 950 SCARB
2 scavenger receptor class B, member 2 0.434
284106 CISD3 CDGSH iron sulfur domain 3 0.433 7021 TFAP2
B transcription factor AP-2 beta (activating enhancer binding protein 2 beta)
0.432
5571 PRKAG1
protein kinase, AMP-activated, gamma 1 non-catalytic subunit
0.432
55890 GPRC5C
G protein-coupled receptor, class C, group 5, member C
0.432
51474 LIMA1 LIM domain and actin binding 1 0.430 9919 SEC16
A SEC16 homolog A, endoplasmic reticulum export factor
0.430
388886 LRRC75B
leucine rich repeat containing 75B 0.430
4784 NFIX nuclear factor I/X (CCAAT-binding transcription factor)
-0.428
85320 ABCC11
ATP-binding cassette, sub-family C (CFTR/MRP), member 11
0.428
57156 TMEM63C
transmembrane protein 63C 0.428
79152 FA2H fatty acid 2-hydroxylase 0.427 92840 REEP6 receptor accessory protein 6 0.427 79983 POF1B premature ovarian failure, 1B 0.427 79919 C2orf54 chromosome 2 open reading frame 54 0.427 9865 TRIL TLR4 interactor with leucine-rich repeats 0.426 2877 GPX2 glutathione peroxidase 2 0.426 399664 MEX3D mex-3 RNA binding family member D 0.424 27324 TOX3 TOX high mobility group box family
member 3 0.423
1728 NQO1 NAD(P)H dehydrogenase, quinone 1 0.423 84152 PPP1R1
B protein phosphatase 1, regulatory (inhibitor) subunit 1B
0.423
54848 ARHGEF38
Rho guanine nucleotide exchange factor 38 0.423
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NCBI ID
HUGO Gene Symbol
Gene Name r
4241 MFI2 antigen p97 (melanoma associated) identified by monoclonal antibodies 133.2 and 96.5
-0.421
29842 TFCP2L1
transcription factor CP2-like 1 -0.419
222 ALDH3B2
aldehyde dehydrogenase 3 family, member B2
0.419
388125 C2CD4B
C2 calcium-dependent domain containing 4B
0.419
79666 PLEKHF2
pleckstrin homology domain containing, family F (with FYVE domain) member 2
0.419
388633 LDLRAD1
low density lipoprotein receptor class A domain containing 1
0.419
10612 TRIM3 tripartite motif containing 3 0.418 5874 RAB27
B RAB27B, member RAS oncogene family 0.418
6337 SCNN1A
sodium channel, non voltage gated 1 alpha subunit
0.418
283209 PGM2L1
phosphoglucomutase 2-like 1 0.417
3169 FOXA1 forkhead box A1 0.415 3156 HMGC
R 3-hydroxy-3-methylglutaryl-CoA reductase 0.415
8848 TSC22D1
TSC22 domain family, member 1 0.414
79710 MORC4 MORC family CW-type zinc finger 4 0.414 79962 DNAJC
22 DnaJ (Hsp40) homolog, subfamily C, member 22
0.412
10473 HMGN4
high mobility group nucleosomal binding domain 4
-0.412
5709 PSMD3 proteasome 26S subunit, non-ATPase 3 0.411 10126 DNAL4 dynein, axonemal, light chain 4 0.410 3185 HNRNP
F heterogeneous nuclear ribonucleoprotein F 0.410
23329 TBC1D30
TBC1 domain family, member 30 0.410
6549 SLC9A2
solute carrier family 9, subfamily A (NHE2, cation proton antiporter 2), member 2
0.409
57136 APMAP adipocyte plasma membrane associated protein
0.409
2525 FUT3 fucosyltransferase 3 (galactoside 3(4)-L-fucosyltransferase, Lewis blood group)
0.409
9545 RAB3D RAB3D, member RAS oncogene family 0.409
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NCBI ID
HUGO Gene Symbol
Gene Name r
85014 TMEM141
transmembrane protein 141 0.409
1397 CRIP2 cysteine-rich protein 2 0.407 79639 TMEM5
3 transmembrane protein 53 0.405
1848 DUSP6 dual specificity phosphatase 6 0.404 5691 PSMB3 proteasome subunit beta 3 0.404 3226 HOXC1
0 homeobox C10 0.404
2582 GALE UDP-galactose-4-epimerase 0.404 100128927
ZBTB42
zinc finger and BTB domain containing 42 0.404
6307 MSMO1
methylsterol monooxygenase 1 0.403
257019 FRMD3 FERM domain containing 3 -0.403 22845 DOLK dolichol kinase 0.402 3927 LASP1 LIM and SH3 protein 1 0.402 90007 MIDN midnolin 0.402 4680 CEACA
M6 carcinoembryonic antigen-related cell adhesion molecule 6 (non-specific cross reacting antigen)
0.401
81031 SLC2A10
solute carrier family 2 (facilitated glucose transporter), member 10
0.401
80320 SP6 Sp6 transcription factor 0.400 84879 MFSD2
A major facilitator superfamily domain containing 2A
0.400
65084 TMEM135
transmembrane protein 135 0.398
3694 ITGB6 integrin, beta 6 0.398 85301 COL27
A1 collagen, type XXVII, alpha 1 -0.398
58476 TP53INP2
tumor protein p53 inducible nuclear protein 2
0.397
284161 GDPD1 glycerophosphodiester phosphodiesterase domain containing 1
0.397
326625 MMAB methylmalonic aciduria (cobalamin deficiency) cblB type
0.396
83999 KREMEN1
kringle containing transmembrane protein 1 0.396
84961 FBXL20
F-box and leucine-rich repeat protein 20 0.396
79762 C1orf115
chromosome 1 open reading frame 115 0.394
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NCBI ID
HUGO Gene Symbol
Gene Name r
83930 STARD3NL
STARD3 N-terminal like 0.394
92714 ARRDC1
arrestin domain containing 1 0.393
8564 KMO kynurenine 3-monooxygenase (kynurenine 3-hydroxylase)
0.391
10175 CNIH1 cornichon family AMPA receptor auxiliary protein 1
0.391
23555 TSPAN15
tetraspanin 15 0.391
8714 ABCC3 ATP-binding cassette, sub-family C (CFTR/MRP), member 3
0.390
8800 PEX11A
peroxisomal biogenesis factor 11 alpha 0.389
339745 SPOPL speckle-type POZ protein-like 0.389 3964 LGALS
8 lectin, galactoside-binding, soluble, 8 0.388
2796 GNRH1 gonadotropin-releasing hormone 1 (luteinizing-releasing hormone)
-0.388
400451 FAM174B
family with sequence similarity 174, member B
0.388
347735 SERINC2
serine incorporator 2 0.388
253782 CERS6 ceramide synthase 6 0.386 51702 PADI3 peptidyl arginine deiminase, type III 0.386 1362 CPD carboxypeptidase D 0.386 63027 SLC22
A23 solute carrier family 22, member 23 0.386
84311 MRPL45
mitochondrial ribosomal protein L45 0.386
401546 C9orf152
chromosome 9 open reading frame 152 0.385
57720 GPR107 G protein-coupled receptor 107 0.385 90060 CCDC1
20 coiled-coil domain containing 120 0.384
90861 HN1L hematological and neurological expressed 1-like
0.384
83606 GUCD1 guanylyl cyclase domain containing 1 0.384 30837 SOCS7 suppressor of cytokine signaling 7 0.383 100132074
FOXO6 forkhead box O6 0.383
54883 CWC25 CWC25 spliceosome-associated protein homolog
0.383
150696 PROM2 prominin 2 0.383
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NCBI ID
HUGO Gene Symbol
Gene Name r
55876 GSDMB
gasdermin B 0.383
6309 SC5D sterol-C5-desaturase 0.382 51109 RDH11 retinol dehydrogenase 11 (all-trans/9-
cis/11-cis) 0.382
51809 GALNT7
polypeptide N-acetylgalactosaminyltransferase 7
0.382
9618 TRAF4 TNF receptor-associated factor 4 0.381 4598 MVK mevalonate kinase 0.381 23505 TMEM1
31 transmembrane protein 131 0.381
83733 SLC25A18
solute carrier family 25 (glutamate carrier), member 18
0.381
116238 TLCD1 TLC domain containing 1 0.381 79739 TTLL7 tubulin tyrosine ligase-like family member
7 0.381
54793 KCTD9 potassium channel tetramerization domain containing 9
-0.381
134147 CMBL carboxymethylenebutenolidase homolog (Pseudomonas)
0.381
54432 YIPF1 Yip1 domain family member 1 0.380 7905 REEP5 receptor accessory protein 5 0.380 623 BDKRB
1 bradykinin receptor B1 0.379
9960 USP3 ubiquitin specific peptidase 3 0.379 80352 RNF39 ring finger protein 39 0.379 160418 TMTC3 transmembrane and tetratricopeptide repeat
containing 3 0.378
7587 ZNF37A
zinc finger protein 37A -0.378
1048 CEACAM5
carcinoembryonic antigen-related cell adhesion molecule 5
0.377
56649 TMPRSS4
transmembrane protease, serine 4 0.377
10321 CRISP3 cysteine-rich secretory protein 3 0.377 79618 HMBO
X1 homeobox containing 1 -0.377
254778 C8orf46 chromosome 8 open reading frame 46 -0.376 84074 QRICH
2 glutamine rich 2 -0.376
84059 ADGRV1
adhesion G protein-coupled receptor V1 0.376
91227 GGTLC2
gamma-glutamyltransferase light chain 2 0.375
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NCBI ID
HUGO Gene Symbol
Gene Name r
55664 CDC37L1
cell division cycle 37-like 1 -0.375
79813 EHMT1 euchromatic histone-lysine N-methyltransferase 1
0.375
26280 IL1RAPL2
interleukin 1 receptor accessory protein-like 2
0.374
100506144
ZMYM6NB
ZMYM6 neighbor -0.373
57551 TAOK1 TAO kinase 1 0.373 7351 UCP2 uncoupling protein 2 (mitochondrial, proton
carrier) 0.373
404093 CUEDC1
CUE domain containing 1 0.373
2296 FOXC1 forkhead box C1 -0.373 84640 USP38 ubiquitin specific peptidase 38 0.372 23229 ARHGE
F9 Cdc42 guanine nucleotide exchange factor 9
-0.372
5753 PTK6 protein tyrosine kinase 6 0.372 56929 FEM1C fem-1 homolog c (C. elegans) 0.372 389072 PLEKH
M3 pleckstrin homology domain containing, family M, member 3
-0.372
54884 RETSAT
retinol saturase (all-trans-retinol 13,14-reductase)
0.372
1213 CLTC clathrin, heavy chain (Hc) 0.372 286262 TPRN taperin 0.372 94160 ABCC1
2 ATP-binding cassette, sub-family C (CFTR/MRP), member 12
0.371
28983 TMPRSS11E
transmembrane protease, serine 11E 0.371
347475 CCDC160
coiled-coil domain containing 160 0.371
642273 FAM110C
family with sequence similarity 110, member C
0.371
23559 WBP1 WW domain binding protein 1 0.370 57649 PHF12 PHD finger protein 12 0.369 638 BIK BCL2-interacting killer (apoptosis-
inducing) 0.369
51263 MRPL30
mitochondrial ribosomal protein L30 0.368
29109 FHOD1 formin homology 2 domain containing 1 0.368 123036 TC2N tandem C2 domains, nuclear 0.368 55681 SCYL2 SCY1-like, kinase-like 2 0.368 23475 QPRT quinolinate phosphoribosyltransferase 0.368
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NCBI ID
HUGO Gene Symbol
Gene Name r
55568 GALNT10
polypeptide N-acetylgalactosaminyltransferase 10
0.368
80045 GPR157 G protein-coupled receptor 157 0.368 23677 SH3BP4 SH3-domain binding protein 4 0.367 3597 IL13RA
1 interleukin 13 receptor, alpha 1 0.367
79170 PRR15L proline rich 15-like 0.366 9817 KEAP1 kelch-like ECH-associated protein 1 -0.366 201266 SLC39
A11 solute carrier family 39, member 11 0.366
10200 MPHOSPH6
M-phase phosphoprotein 6 0.366
60592 SCOC short coiled-coil protein 0.365 91 ACVR1
B activin A receptor type IB 0.365
81576 CCDC130
coiled-coil domain containing 130 -0.365
124872 B4GALNT2
beta-1,4-N-acetyl-galactosaminyl transferase 2
0.365
6799 SULT1A2
sulfotransferase family 1A member 2 0.364
26996 GPR160 G protein-coupled receptor 160 0.364 84985 FAM83
A family with sequence similarity 83, member A
0.364
83451 ABHD11
abhydrolase domain containing 11 0.364
8464 SUPT3H
SPT3 homolog, SAGA and STAGA complex component
-0.363
51260 PBDC1 polysaccharide biosynthesis domain containing 1
0.363
122945 NOXRED1
NADP-dependent oxidoreductase domain containing 1
0.363
2140 EYA3 EYA transcriptional coactivator and phosphatase 3
-0.363
379 ARL4D ADP-ribosylation factor like GTPase 4D 0.363 9862 MED24 mediator complex subunit 24 0.363 9517 SPTLC2 serine palmitoyltransferase, long chain base
subunit 2 0.362
55040 EPN3 epsin 3 0.362 10509 SEMA4
B sema domain, immunoglobulin domain (Ig), transmembrane domain (TM) and short cytoplasmic domain, (semaphorin) 4B
0.361
51128 SAR1B secretion associated, Ras related GTPase 1B
0.361
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NCBI ID
HUGO Gene Symbol
Gene Name r
203413 CT83 cancer/testis antigen 83 -0.361 340719 NANOS
1 nanos homolog 1 (Drosophila) 0.361
55450 CAMK2N1
calcium/calmodulin-dependent protein kinase II inhibitor 1
0.361
255189 PLA2G4F
phospholipase A2, group IVF 0.361
222171 PRR15 proline rich 15 0.360 10299 MARC
H6 membrane-associated ring finger (C3HC4) 6, E3 ubiquitin protein ligase
0.360
253190 SERHL2
serine hydrolase-like 2 0.360
4850 CNOT4 CCR4-NOT transcription complex, subunit 4
-0.359
619189 SERINC4
serine incorporator 4 0.359
954 ENTPD2
ectonucleoside triphosphate diphosphohydrolase 2
0.359
57035 RSRP1 arginine/serine-rich protein 1 -0.359 148327 CREB3
L4 cAMP responsive element binding protein 3-like 4
0.359
9061 PAPSS1 3'-phosphoadenosine 5'-phosphosulfate synthase 1
-0.359
23583 SMUG1 single-strand-selective monofunctional uracil-DNA glycosylase 1
0.359
9630 GNA14 guanine nucleotide binding protein (G protein), alpha 14
0.358
168544 ZNF467 zinc finger protein 467 0.358 79675 FASTK
D1 FAST kinase domains 1 -0.357
367 AR androgen receptor 0.357 284340 CXCL1
7 chemokine (C-X-C motif) ligand 17 0.357
5429 POLH polymerase (DNA directed), eta -0.357 84216 TMEM1
17 transmembrane protein 117 -0.357
31 ACACA acetyl-CoA carboxylase alpha 0.356 57761 TRIB3 tribbles pseudokinase 3 0.356 201456 FBXO1
5 F-box protein 15 0.356
283377 SPRYD4
SPRY domain containing 4 0.356
5465 PPARA peroxisome proliferator-activated receptor alpha
-0.356
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NCBI ID
HUGO Gene Symbol
Gene Name r
7108 TM7SF2
transmembrane 7 superfamily member 2 0.356
10867 TSPAN9
tetraspanin 9 0.355
22928 SEPHS2 selenophosphate synthetase 2 0.355 5810 RAD1 RAD1 checkpoint DNA exonuclease 0.354 162979 ZNF296 zinc finger protein 296 0.354 51504 TRMT1
12 tRNA methyltransferase 11-2 homolog (S. cerevisiae)
0.354
22866 CNKSR2
connector enhancer of kinase suppressor of Ras 2
-0.354
598 BCL2L1
BCL2-like 1 0.353
8895 CPNE3 copine III 0.353 54875 CNTLN centlein, centrosomal protein -0.353 401474 SAMD1
2 sterile alpha motif domain containing 12 0.353
5829 PXN paxillin 0.353 671 BPI bactericidal/permeability-increasing protein -0.353 2244 FGB fibrinogen beta chain 0.353 79720 VPS37B vacuolar protein sorting 37 homolog B (S.
cerevisiae) 0.353
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Appendix 4. Gene lists (n = 116) which correlate with microcalcification (no,
low-to-intermediate, highly suspicious) and correlation coefficient (r) > 0.3
and false discovery rate < 0.05.
NCBI ID
HUGO Gene Symbol
Gene Name r
3038 HAS3 hyaluronan synthase 3 0.410 64175 P3H1 prolyl 3-hydroxylase 1 -0.398 338557 FFAR4 free fatty acid receptor 4 -0.383 94103 ORMD
L3 ORMDL sphingolipid biosynthesis regulator 3
0.380
29108 PYCARD
PYD and CARD domain containing -0.378
84624 FNDC1 fibronectin type III domain containing 1 -0.377 54894 RNF43 ring finger protein 43 0.361 5328 PLAU plasminogen activator, urokinase -0.358 1301 COL11
A1 collagen, type XI, alpha 1 -0.356
822 CAPG capping protein (actin filament), gelsolin-like
-0.355
100506144
ZMYM6NB
ZMYM6 neighbor -0.352
80896 NPL N-acetylneuraminate pyruvate lyase (dihydrodipicolinate synthase)
-0.351
5996 RGS1 regulator of G-protein signaling 1 -0.351 219 ALDH1
B1 aldehyde dehydrogenase 1 family, member B1
-0.351
2064 ERBB2 erb-b2 receptor tyrosine kinase 2 0.348 8654 PDE5A phosphodiesterase 5A, cGMP-specific 0.347 7805 LAPTM
5 lysosomal protein transmembrane 5 -0.347
713 C1QB complement component 1, q subcomponent, B chain
-0.347
2207 FCER1G
Fc fragment of IgE, high affinity I, receptor for; gamma polypeptide
-0.347
6507 SLC1A3
solute carrier family 1 (glial high affinity glutamate transporter), member 3
-0.345
284161 GDPD1 glycerophosphodiester phosphodiesterase domain containing 1
0.345
55080 TAPBPL
TAP binding protein-like -0.344
8828 NRP2 neuropilin 2 -0.342
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NCBI ID
HUGO Gene Symbol
Gene Name r
7045 TGFBI transforming growth factor, beta-induced, 68kDa
-0.342
113451 AZIN2 antizyme inhibitor 2 -0.342 2882 GPX7 glutathione peroxidase 7 -0.341 1501 CTNND
2 catenin (cadherin-associated protein), delta 2
0.341
2706 GJB2 gap junction protein beta 2 -0.341 2517 FUCA1 fucosidase, alpha-L- 1, tissue -0.341 586 BCAT1 branched chain amino-acid transaminase 1,
cytosolic -0.341
79899 PRR5L proline rich 5 like -0.340 639 PRDM1 PR domain containing 1, with ZNF domain -0.338 91614 DEPDC
7 DEP domain containing 7 -0.337
5329 PLAUR plasminogen activator, urokinase receptor -0.336 4804 NGFR nerve growth factor receptor 0.335 27244 SESN1 sestrin 1 0.334 4973 OLR1 oxidized low density lipoprotein (lectin-
like) receptor 1 -0.334
10437 IFI30 interferon, gamma-inducible protein 30 -0.334 79783 SUGCT succinyl-CoA:glutarate-CoA transferase -0.334 860 RUNX2 runt-related transcription factor 2 -0.333 339745 SPOPL speckle-type POZ protein-like 0.332 54407 SLC38
A2 solute carrier family 38, member 2 0.332
10082 GPC6 glypican 6 -0.332 2590 GALNT
2 polypeptide N-acetylgalactosaminyltransferase 2
-0.330
9618 TRAF4 TNF receptor-associated factor 4 0.329 7226 TRPM2 transient receptor potential cation channel,
subfamily M, member 2 -0.328
199 AIF1 allograft inflammatory factor 1 -0.328 220441 RNF152 ring finger protein 152 0.328 1508 CTSB cathepsin B -0.327 2745 GLRX glutaredoxin (thioltransferase) -0.326 1182 CLCN3 chloride channel, voltage-sensitive 3 0.326 2335 FN1 fibronectin 1 -0.326 50515 CHST11 carbohydrate (chondroitin 4)
sulfotransferase 11 -0.325
59351 PBOV1 prostate and breast cancer overexpressed 1 0.325 2886 GRB7 growth factor receptor-bound protein 7 0.325 154661 RUNDC
3B RUN domain containing 3B 0.324
57194 ATP10A ATPase, class V, type 10A -0.324
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NCBI ID
HUGO Gene Symbol
Gene Name r
11031 RAB31 RAB31, member RAS oncogene family -0.324 7515 XRCC1 X-ray repair complementing defective
repair in Chinese hamster cells 1 -0.324
51300 TIMMDC1
translocase of inner mitochondrial membrane domain containing 1
-0.323
5783 PTPN13 protein tyrosine phosphatase, non-receptor type 13 (APO-1/CD95 (Fas)-associated phosphatase)
0.322
83699 SH3BGRL2
SH3 domain binding glutamate-rich protein like 2
0.321
285180 RUFY4 RUN and FYVE domain containing 4 -0.321 3107 HLA-C major histocompatibility complex, class I,
C -0.321
729220 FLJ45513
uncharacterized LOC729220 0.320
23598 PATZ1 POZ (BTB) and AT hook containing zinc finger 1
0.320
115908 CTHRC1
collagen triple helix repeat containing 1 -0.320
3983 ABLIM1
actin binding LIM protein 1 0.320
84299 MIEN1 migration and invasion enhancer 1 0.319 5480 PPIC peptidylprolyl isomerase C (cyclophilin C) -0.318 968 CD68 CD68 molecule -0.318 25903 OLFML
2B olfactomedin like 2B -0.317
3652 IPP intracisternal A particle-promoted polypeptide
0.317
399664 MEX3D mex-3 RNA binding family member D 0.316 93210 PGAP3 post-GPI attachment to proteins 3 0.316 131578 LRRC1
5 leucine rich repeat containing 15 -0.314
6426 SRSF1 serine/arginine-rich splicing factor 1 0.313 8832 CD84 CD84 molecule -0.313 2825 GPR1 G protein-coupled receptor 1 -0.313 8590 OR6A2 olfactory receptor, family 6, subfamily A,
member 2 -0.313
10797 MTHFD2
methylenetetrahydrofolate dehydrogenase (NADP+ dependent) 2, methenyltetrahydrofolate cyclohydrolase
0.312
23384 SPECC1L
sperm antigen with calponin homology and coiled-coil domains 1-like
0.312
10855 HPSE heparanase -0.312
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NCBI ID
HUGO Gene Symbol
Gene Name r
2212 FCGR2A
Fc fragment of IgG, low affinity IIa, receptor (CD32)
-0.311
8452 CUL3 cullin 3 0.311 376267 RAB15 RAB15, member RAS oncogene family 0.311 54532 USP53 ubiquitin specific peptidase 53 0.311 114784 CSMD2 CUB and Sushi multiple domains 2 -0.311 79762 C1orf11
5 chromosome 1 open reading frame 115 0.311
157638 FAM84B
family with sequence similarity 84, member B
0.310
100506374
LOC100506374
uncharacterized LOC100506374 0.310
84640 USP38 ubiquitin specific peptidase 38 0.310 4323 MMP14 matrix metallopeptidase 14 (membrane-
inserted) -0.309
51705 EMCN endomucin 0.309 6404 SELPL
G selectin P ligand -0.309
6567 SLC16A2
solute carrier family 16, member 2 (thyroid hormone transporter)
0.309
1215 CMA1 chymase 1, mast cell 0.308 2532 ACKR1 atypical chemokine receptor 1 (Duffy blood
group) 0.308
55337 C19orf66
chromosome 19 open reading frame 66 -0.308
124801 LSM12 LSM12 homolog -0.308 26045 LRRTM
2 leucine rich repeat transmembrane neuronal 2
0.307
196051 PLPP4 phospholipid phosphatase 4 -0.307 441272 SPDYE
3 speedy/RINGO cell cycle regulator family member E3
0.307
90865 IL33 interleukin 33 0.307 440021 KRTAP
5-2 keratin associated protein 5-2 0.306
57609 DIP2B disco-interacting protein 2 homolog B 0.306 23411 SIRT1 sirtuin 1 0.306 692094 MSMP microseminoprotein, prostate associated 0.305 6578 SLCO2
A1 solute carrier organic anion transporter family, member 2A1
0.305
55083 KIF26B kinesin family member 26B -0.304 56889 TM9SF
3 transmembrane 9 superfamily member 3 0.304
8897 MTMR3
myotubularin related protein 3 0.304
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NCBI ID
HUGO Gene Symbol
Gene Name r
3021 H3F3B H3 histone, family 3B (H3.3B) 0.304 81832 NETO1 neuropilin (NRP) and tolloid (TLL)-like 1 -0.304 23505 TMEM1
31 transmembrane protein 131 0.304
1573 CYP2J2 cytochrome P450, family 2, subfamily J, polypeptide 2
0.300
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Appendix 5. Functional annotation clusters using DEGs (n = 1047) from highly suspicious/no microcalcifications comparison set in HER2-
negative subgroup which contain GO terms in the biological process category with enrichment score > 3.5
Gene Ontology ID Term Fold Enrichment
P Value Bonferroni
Annotation Cluster 1 Enrichment Score: 13.606 GO:0006952 defense response 3.317 1.73E-17 4.58E-14 GO:0006954 inflammatory response 3.863 7.48E-13 1.99E-09 GO:0009611 response to wounding 3.080 1.18E-12 3.13E-09 Annotation Cluster 2 Enrichment Score: 7.378 GO:0048002 antigen processing and presentation of peptide antigen 15.694 6.86E-13 1.82E-09 GO:0002504 antigen processing and presentation of peptide or
polysaccharide antigen via MHC class II 11.414 3.03E-09 8.06E-06
GO:0002478 antigen processing and presentation of exogenous peptide antigen
19.974 4.02E-07 1.07E-03
GO:0019886 antigen processing and presentation of exogenous peptide antigen via MHC class II
23.541 1.64E-06 4.35E-03
GO:0002495 antigen processing and presentation of peptide antigen via MHC class II
23.541 1.64E-06 4.35E-03
GO:0019884 antigen processing and presentation of exogenous antigen 15.694 2.41E-06 6.37E-03 Annotation Cluster 3 Enrichment Score: 7.159 GO:0042330 taxis 4.512 6.98E-09 1.85E-05 GO:0006935 chemotaxis 4.512 6.98E-09 1.85E-05 GO:0007626 locomotory behavior 3.207 1.88E-07 4.99E-04 GO:0007610 behavior 2.409 2.52E-06 0.007
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Gene Ontology ID Term Fold Enrichment
P Value Bonferroni
Annotation Cluster 4 Enrichment Score: 6.559 GO:0002684 positive regulation of immune system process 4.484 8.52E-13 2.26E-09 GO:0050778 positive regulation of immune response 4.979 1.05E-09 2.80E-06 GO:0002443 leukocyte mediated immunity 5.840 7.39E-08 1.96E-04 GO:0002252 immune effector process 4.450 2.38E-07 6.31E-04 GO:0048584 positive regulation of response to stimulus 3.325 5.13E-07 0.001 GO:0002250 adaptive immune response 5.707 8.14E-07 0.002 GO:0002460 adaptive immune response based on somatic
recombination of immune receptors built from immunoglobulin superfamily domains
5.707 8.14E-07 0.002
GO:0016064 immunoglobulin mediated immune response 6.394 6.48E-06 0.017 GO:0019724 B cell mediated immunity 6.165 9.11E-06 0.024 GO:0002449 lymphocyte mediated immunity 5.381 1.18E-05 0.031 GO:0002253 activation of immune response 4.007 1.89E-04 0.395 Annotation Cluster 5 Enrichment Score: 5.853 GO:0001817 regulation of cytokine production 4.335 3.00E-09 7.97E-06 GO:0001819 positive regulation of cytokine production 4.534 2.65E-05 0.068 GO:0051240 positive regulation of multicellular organismal process 2.830 3.48E-05 0.088 Annotation Cluster 6 Enrichment Score: 4.247 GO:0006928 cell motion 2.313 8.58E-06 0.023 GO:0016477 cell migration 2.616 7.24E-05 0.175 GO:0051674 localization of cell 2.454 1.29E-04 0.290 GO:0048870~ cell motility 2.454 1.29E-04 0.290 Annotation Cluster 7 Enrichment Score: 3.920
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Gene Ontology ID Term Fold Enrichment
P Value Bonferroni
GO:0002237 response to molecule of bacterial origin 4.745 1.66E-05 0.043 GO:0009617 response to bacterium 2.927 1.45E-04 0.319 GO:0032496 response to lipopolysaccharide 4.076 7.25E-04 0.854 Annotation Cluster 8 Enrichment Score: 3.702 GO:0045321 leukocyte activation 3.243 8.10E-07 0.002 GO:0001775 cell activation 2.843 5.12E-06 0.013 GO:0042110 T cell activation 3.487 1.85E-04 0.388 GO:0046649 lymphocyte activation 2.524 0.002 0.990 GO:0030098 lymphocyte differentiation 1.828 0.230 1
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(국 )
: 에 미 회 는 암 조 견하고
진단하는데 요하다. 하지만 암 회 후 에 한
생 학 에 해 는 진 가 없다. 본 연구에 는
마이크 어 이 분 법 이용하여, 에 미 회
자 계를 알아보는 것 목 하 다.
법: 168 명 암 자(나이 앙값, 50 ; 범 , 21-
79 )에 Affymetrix GeneChip® Human Gene 2.0 ST
어 이(53,617 프 )를 이용한 마이크 어 이 데이 를
획득했다. 명 상 학과 사가 상 미 회
소견 분 하여, 미 회 가 없는 그룹(n=99), 등도
악 가능 그룹(n=37), 높 악 가능 그룹(n=32)
분 하 다. 각 그룹간 차별 자를 별하 하여
일원 치 분산분 시행하 고, 키법 이용한 사후분
시행하여 P value < 0.05 를 용하 다. 차별 자들
생 학 인 미를 찾아내 하여 자 토 지 군집
분 시행하 다.
결과: 3 군 에 2551 개 자가 에 차이가
있었다. 높 악 가능 /미 회 없는 그룹 에 는
1838 개 자(과 955 개, 883 개), 높
악 가능 / 등도 악 가능 그룹 에 는 484 개
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자(과 342 개, 142 개), 등도
악 가능 /미 회 없는 그룹 에 는 457 개
자(과 126 개, 331 개)가 견 었다. 자
토 지 군집 분 통하여 높 악 가능 회 그룹에
미 회 가 없는 그룹에 해 면역, 어 염증 이
감소 어 있었 며 특히 인간 피 장인자 용체 2- 인
그룹에 면역시스 이 미 회 강한 이
있었다.
결 : 암에 자 미 회
상태에 라 상이하다. 미 회 를 포함하는 암
면역시스 감소 이 있다.
-------------------------------------
주요어: 암, 미 회 , 마이크 어 이,
인간 피 장인자 용체 2, 면역시스
학번: 2014-30911