Supplemental Tables Supplemental Table S1: Sequences of the target gene primers Target genes Primers Base sequence (5'to3') DDR1 F ACTTTGGCATGAGCCGGAAC R ACGTCACTCGCAGTCGTGAAC GAPDH F TGCACCACCAACTGCTTAGC R GGCATGGACTGTGGTCATGAG Supplemental Table S2: Summary of genes with > 2 fold differences between the ER and nER patient groups Gene name Gene acronym TACSTD1 Fold Molecular_function 8.31 VNN1 4.63 homotypic calcium-independent cell adhesion molecule hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds// GPI anchor binding Glypican 3 GPC3 3.84 GPI anchor binding Epiplakin 1 EPPK1 3.75 structural molecule activity Sulfotransferase family, cytosolic, 1C, member 1 Leucine rich repeat containing 1 SULT1C1 3.61 sulfotransferase activity LRRC1 3.48 protein binding Ectonucleotide pyrophosphatase/phosphodiesterase 5 ENPP5 3.45 hydrolase activity Zinc finger protein 528 ZNF528 3.38 nucleic acid binding // zinc ion binding UDP glucuronosyltransferase 1 family, polypeptide A8 /// UDP glucuronosyltransferase 1 family, polypeptide A9 Chromosome 1 open reading frame 106 UGT1A8 /// UGT1A9 3.34 UDP-glycosyltransferase activity C1orf106 3.25 LON peptidase N-terminal domain and ring finger 2 SRY (sex determining region Y)-box 4 LONRF2 2.92 SOX4 2.91 Solute carrier family 44, member 3 SLC44A3 2.91 Phosphoserine phosphatase PSPH 2.90 Hexokinase domain containing 1 HKDC1 2.90 Pleckstrin homology-like domain, family A, member 2 CD24 molecule PHLDA2 2.74 CD24 2.71 receptor activity// protein binding Protocadherin 20 PCDH20 2.69 calcium ion binding // protein binding Papilin, proteoglycan-like sulfated glycoprotein PAPLN 2.65 metalloendopeptidase activity //serine-type endopeptidase inhibitor activity // protein binding WW domain binding protein 5 WBP5 2.65 Tumor-associated calcium signal transducer 1 Vanin 1 ATP-dependent peptidase activity// protein binding// zinc ion binding transcription factor activity// DNA binding phosphoserine phosphatase activity// hydrolase activity// catalytic activity nucleotide binding // transferase activity Kelch-like 13 (Drosophila) KLHL13 2.61 Calmodulin binding transcription activator 1 Dystrobrevin, alpha CAMTA1 2.60 DTNA 2.55 X-prolyl aminopeptidase (aminopeptidase P) 2, membrane-bound XPNPEP2 2.55 Drebrin 1 DBN1 2.48 Frizzled homolog 7 (Drosophila) FZD7 2.46 Chromosome 8 open reading frame 72 C8orf72 2.44 Zinc finger protein 204 ZNF204 2.43 Discoidin domain receptor family, member 1 DDR1 2.42 Zinc finger protein 610 ZNF610 2.42 Mitogen-activated protein kinase 13 MAPK13 2.34 ADAM metallopeptidase with thrombospondin type 1 motif, 5 (aggrecanase-2) Olfactomedin-like 3 ADAMTS5 2.33 OLFML3 2.32 Collagen, type V, alpha 2 COL5A2 2.30 Hypothetical protein LOC120376 LOC120376 2.28 Transcribed locus protein binding calcium ion binding // protein binding // zinc ion binding metalloexopeptidase activity // X-Pro aminopeptidase activity // metal ion binding // GPI anchor binding // metallopeptidase activity // hydrolase activity actin binding // profilin binding // protein binding G-protein coupled receptor activity // signal transducer activity // oxidoreductase activity nucleic acid binding // zinc ion binding // metal ion binding nucleotide binding // transmembrane receptor protein tyrosine kinase activity // ATP binding nucleic acid binding // zinc ion binding // metal ion binding nucleotide binding // protein-tyrosine kinase activity // MAP kinase activity // protein binding // ATP binding // transferase activity metalloendopeptidase activity // integrin binding // zinc ion binding // protein prenyltransferase activity // hydrolase activity extracellular matrix structural constituent // structural molecule activity 2.26 Chromosome 5 open reading frame 13 C5orf13 2.26 protein binding // tRNA binding // structural constituent of ribosome Unc-5 homolog C (C. elegans)-like UNC5CL 2.24 protein binding Quiescin Q6 QSCN6 2.20 electron carrier activity // protein disulfide oxidoreductase activity // thiol oxidase activity CDNA FLJ33420 fis, clone BRACE2020028 Feline leukemia virus subgroup C cellular receptor 2.20 FLVCR 2.19 EPS8-like 3 EPS8L3 2.18 Glutathione S-transferase M3 (brain) GSTM3 2.17 receptor activity // transporter activity glutathione transferase activity Stanniocalcin 1 STC1 2.17 protein kinase activity // hormone activity // ATP binding cyclin-dependent protein kinase inhibitor activity // protein binding Cyclin-dependent kinase inhibitor 1C (p57, Kip2) CDKN1C 2.17 Solute carrier family 7 (cationic amino acid transporter, y+ system), member 1 SLC7A1 2.15 Pleckstrin homology domain containing, family H (with MyTH4 domain) member 2 PLEKHH2 2.12 Nebulette NEBL 2.11 actin binding // zinc ion binding // structural constituent of muscle // metal ion binding Geminin, DNA replication inhibitor GMNN 2.08 protein binding Glutathione S-transferase A4 GSTA4 2.08 glutathione transferase activity Vang-like 2 (van gogh, Drosophila) VANGL2 2.07 protein binding Laminin, beta 1 LAMB1 2.06 extracellular matrix structural constituent // protein binding // structural molecule activity Cadherin 6, type 2, K-cadherin (fetal kidney) Prickle homolog 2 (Drosophila) CDH6 2.06 calcium ion binding // protein binding PRICKLE2 2.05 zinc ion binding // metal ion binding Hypothetical protein LOC727916 LOC727916 2.05 E2F transcription factor 3 E2F3 2.04 NCK adaptor protein 2 NCK2 2.03 Tight junction protein 3 (zona occludens 3) TJP3 2.03 protein binding Jub, ajuba homolog (Xenopus laevis) JUB 2.02 zinc ion binding // metal ion binding Choroideremia-like (Rab escort protein 2) CHML 2.01 Rab-protein geranylgeranyltransferase activity // Rab escort protein activity // GTPase activator activity // rhodopsin-like receptor activity // signal transducer activity // Gprotein coupled receptor activity // photoreceptor activity receptor activity // amino acid-polyamine transporter activity // basic amino acid transporter activity // amino acid permease activity binding transcription factor activity // protein binding // DNA binding protein binding // cytoskeletal adaptor activity // receptor signaling complex scaffold activity Small trans-membrane and glycosylated LOC57228 2.01 protein Supplemental Table S3: 49 genes down-regulated in the ER group by more than 2-fold compared with that in the nER group. Gene name Gene symbol Fold Molecular_function hydroxyprostaglandin dehydrogenase 15-(NAD) HPGD 0.11 prostaglandin-D synthase activity // prostaglandin E receptor activity // 15-hydroxyprostaglandin dehydrogenase (NAD+) activity // oxidoreductase activity // protein homodimerization activity // NAD binding // catalytic activity membrane metalloendopeptidase (neutral endopeptidase, enkephalinase) autocrine motility factor receptor MME 0.24 neprilysin activity // metallopeptidase activity // zinc ion binding // metal ion binding // hydrolase activity AMFR 0.24 synovial sarcoma, X breakpoint 1 Zinc finger protein 718 SSX1 0.24 ubiquitin-protein ligase activity // receptor activity // protein binding // zinc ion binding // ligase activity // metal ion binding nucleic acid binding // transcription corepressor activity ZNF718 0.25 ATP-binding cassette, subfamily A (ABC1), member 8 ABCA8 0.26 cytochrome c oxidase subunit VIIb2 serine dehydratase COX7B2 0.26 SDS 0.26 Adrenergic, alpha-1A-, receptor ADRA1A 0.29 phosphoenolpyruvate carboxykinase 1 (soluble) PCK1 0.30 complement factor H-related 4 CFHR4 0.32 nucleic acid binding // DNA binding // zinc ion binding // metal ion binding nucleotide binding // ATP binding // ATPase activity, coupled to transmembrane movement of substances // nucleoside-triphosphatase activity cytochrome-c oxidase activity // oxidoreductase activity catalytic activity // L-serine ammonia-lyase activity // lyase activity rhodopsin-like receptor activity // receptor activity // adrenoceptor activity // signal transducer activity // Gprotein coupled receptor activity // melanocortin receptor activity nucleotide binding // phosphoenolpyruvate carboxykinase (GTP) activity // GTP binding // carboxy-lyase activity lipid transporter activity cystathionase (cystathionine gamma-lyase) BCL2-like 10 (apoptosis facilitator) ATP-binding cassette, subfamily B (MDR/TAP), member 11 CTH 0.33 cystathionine gamma-lyase activity // lyase activity BCL2L10 0.34 protein binding ABCB11 0.35 bone marrow stromal cell antigen 2 G protein-coupled receptor 125 BST2 0.36 nucleotide binding // transporter activity // ATP binding // sodium-exporting ATPase activity, phosphorylative mechanism // bile acid-exporting ATPase activity // ATPase activity // nucleosidetriphosphatase activity // ATPase activity, coupled to transmembrane movement of substances signal transducer activity // GPI anchor binding GPR125 0.36 receptor activity // G-protein coupled receptor activity // protein binding // signal transducer activity aquaporin 9 AQP9 0.37 lymphocyte antigen 96 LY96 0.38 amine transporter activity // purine transporter activity // pyrimidine transporter activity // polyol transporter activity // porin activity // carboxylic acid transporter activity // water transporter activity // transporter activity // water channel activity coreceptor activity glutamic pyruvate transaminase (alanine aminotransferase) 2 GPT2 0.38 alanine transaminase activity // 1-aminocyclopropane1-carboxylate synthase activity // transaminase activity // transferase activity, transferring nitrogenous groups apolipoprotein A-V APOA5 0.39 lipid transporter activity // triglyceride binding // lipid binding transforming growth factor, beta receptor III (betaglycan, 300kDa) SEC14-like 2 (S. cerevisiae) TGFBR3 0.40 receptor activity // glycosaminoglycan binding SEC14L2 0.41 mitochondrial ribosomal protein L43 nudix (nucleoside diphosphate linked moiety X)-type motif 16 pseudogene arginase, type II MRPL43 0.41 NUDT16P 0.41 transporter activity // carrier activity // phospholipid binding // vitamin E binding // transcriptional activator activity //lipid binding structural constituent of ribosome // translation regulator activity hydrolase activity ARG2 0.42 steroid-5-alpha-reductase, alpha polypeptide 2 SRD5A2 0.42 CD1d molecule CD1D 0.42 aminoadipate-semialdehyde synthase AASS 0.42 hect domain and RLD 5 HERC5 0.43 zinc finger and BTB domain containing 16 ZBTB16 0.43 ST3 beta-galactoside alpha-2,3sialyltransferase 6 ST3GAL6 0.43 estrogen receptor 1 ESR1 0.43 mitogen-activated protein kinase kinase kinase 5/// hypothetical protein LOC729144 /// hypothetical protein LOC732274 MAP3K5/// LOC729144 /// LOC732274 0.44 EF-hand domain family, member A2 absent in melanoma 1 EFHA2 0.44 transcription factor activity // steroid hormone receptor activity // steroid binding // protein binding // zinc ion binding // lipid binding // nitric-oxide synthase regulator activity //estrogen receptor activity // sequence-specific DNA binding // metal ion binding // DNA binding // receptor activity // ligand-dependent nuclear receptor activity nucleotide binding // magnesium ion binding // protein serine/threonine kinase activity // MAP kinase kinase kinase activity // ATP binding // caspase activator activity // transferase activity // identical protein binding // protein binding // protein kinase activity // kinase activity // metal ion binding calcium ion binding AIM1 0.44 molecular_function // sugar binding follistatin FST 0.44 protein binding // activin inhibitor activity SEC14-like 2 (S. cerevisiae) SEC14L2 0.45 transporter activity // carrier activity // phospholipid binding // vitamin E binding // transcriptional activator activity // lipid binding arginase activity // hydrolase activity // manganese ion binding // metal ion binding // hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amidines 3-oxo-5-alpha-steroid 4-dehydrogenase activity // sterol 5-alpha reductase activity // oxidoreductase activity receptor activity // beta-2-microglobulin binding // exogenous lipid antigen binding // protein heterodimerization activity peroxidase activity // lysine-ketoglutarate reductase activity // oxidoreductase activity // saccharopine dehydrogenase (NADP+, L-lysine-forming) activity // catalytic activity ubiquitin-protein ligase activity // ligase activity DNA binding // zinc ion binding // specific transcriptional repressor activity // protein homodimerization activity // metal ion binding // protein binding // identical protein binding // nucleic acid binding sialyltransferase activity // transferase activity // transferase activity, transferring glycosyl groups ST3 beta-galactoside alpha-2,3sialyltransferase 6 ST3GAL6 0.45 sialyltransferase activity // transferase activity // transferase activity, transferring glycosyl groups apolipoprotein C-IV APOC4 0.46 adrenergic, beta-2-, receptor, surface ADRB2 0.46 alcohol dehydrogenase 6 (class V) ADH6 0.47 v-myc myelocytomatosis viral oncogene homolog 1, lung carcinoma derived (avian) ATP-binding cassette, subfamily C (CFTR/MRP), member 9 MYCL1 0.47 lipid transporter activity // enzyme activator activity // lipoprotein lipase activity rhodopsin-like receptor activity // receptor activity // beta2-adrenergic receptor activity // protein binding // protein homodimerization activity // norepinephrine binding //signal transducer activity // G-protein coupled receptor activity // adrenoceptor activity alcohol dehydrogenase activity // zinc ion binding //electron carrier activity // oxidoreductase activity // metal ion binding transcription factor activity // DNA binding ABCC9 0.47 mitogen-activated protein kinase kinase kinase 5 MAP3K5 0.48 peroxisome proliferatoractivated receptor gamma, coactivator 1 alpha PPARGC1A 0.48 sorting nexin 10 SNX10 0.49 CD72 molecule CD72 0.50 transmembrane receptor activity // receptor binding // sugar binding // protein binding // receptor activity Ceruloplasmin (ferroxidase) CP 0.50 splicing factor, arginine/serinerich 2B SFRS2B 0.50 ferroxidase activity // copper ion transporter activity // copper ion binding // oxidoreductase activity // metal ion binding nucleotide binding nucleotide binding // receptor activity // transporter activity // ATP binding // sulfonylurea receptor activity // ATPase activity, coupled to transmembrane movement of substances nucleotide binding // magnesium ion binding // protein serine/threonine kinase activity // MAP kinase kinase kinase activity // ATP binding // caspase activator activity // transferase activity // identical protein binding // protein binding // protein kinase activity // kinase activity //metal ion binding nucleotide binding // DNA binding // RNA binding // transcription factor binding // RNA polymerase II transcription mediator activity // ligand-dependent nuclear receptor transcription coactivator activity // androgen receptor binding // protein binding protein binding // phosphoinositide binding