Type 1 (CDO1), three well known tumor suppressors that are frequently suppressed by hypermethylation in breast cancer [20, 21, 22].Integrative analysis of DNA methylation and gene expressionTo further investigate the biological consequences of altered DNA methylation by resveratrol treatments, we correlated the epigenetic changes with gene expression variations at mRNAPLOS ONE | DOI:10.1371/journal.pone.0157866 June 29,8 /Methylation Landscape of Breast Cancer Cells in Response to ResveratrolTable 1. Cellular pathways and genes with differential DNA methylation in MDA-MB-231 cells at 24 h after treatment with resveratrol. Pathway name Cell cycle Number of genes 112 Hypermethylated (bold letters) and hypomethylated genes DKC1, AURKA, HSPA2, RCC2, HIST1H2BK, MAD1L1, TCP10, TUBB6, PRKCA,RRP1, HIST1H3A, CSNK2B, SGOL1, TUBA3C, HIST1H3D, ANKLE2, TP53, CCNB1, NUP98, DLC1, RAD17, HSP90AA1, CENPN, UBE2E2, CENPO, PSMA7, PSME3, PSMB10, NHP2, RUVBL2, APEX1, RAE1, HIST1H4F, PPP2R3B, CENPP, UBE2N, REC8, ORC1L, E2F1, TUBA1C, PSMB9, SYCP1, HIST1H2BI, TEX12, PRKAR2B, POLE, TUBA3E, SKP1, PPP2R2A, PIAS4, NCAPH, HIST1H3E, TUBA3D, UBC, INCENP, NUP210, MSH5, NUDC, RAB2A, FKBP6, BUB3, CCND1. DLG4, PYCARD, RPS6KA1, RPS6KA2, ITGB1, IL1B, SPTBN5, ASB4, GH1, GH2, HLADOB, NLRP12, EIF4G3, MRC2, EIF4G1, EIF4G2, TRAF6, CSHL1, TRAF2, EGR1, RAET1G, NFKBIE, ASB2, DUSP10, UBE2K, AKT1S1, SEC24C, IFITM2, TRAF7, RNF144B, IL17RD, LGALS3, CANX, NLRX1, RASGRF2, CD180, SEC61G, HLADMA, CARD11, MX1UBA1, FOXO1, ANGPT1, PDGFRB, PDGFRA, TNFRSF1B, ATP6V0A2, PIK3AP1, TEC,, MAPK14, KEAP1, PDGFA, GZMM, C1S, ZAP70, GHR, KIR3DL2, TLR2, ACTR3, FGF4, IFITM1, GAB1, IL6R, IKBKE, HERC5, UNC93B1, LIF, CD200R1, IL27RA, CCL17, LILRA2, NFATC2, TRIM14, FLNB, TRIM17, TCEB2, IRF4, SPTBN1, CTSL3, RAB7A, MBL2, RNF216, TRIM11, CD226, FOXO3, POLR3K, TRIM68. GTF2H4, HIST1H2BK, RRP1, XRCC5, XRCC4, TP53, PPP4R2, RAD17, GPS1, KDM4B, KDM4A, APEX1, HIST1H4F, UBE2N, FAN1, FAM175A, EYA3, ATRIP, NEIL2, NEIL3, NTHL1, RAD50, WHSC1, POLM, USP10, UBE2I, XPC, KIAA1530, XPA, HERC2, PAXIP1, REV3L, CUL4B, NFRKB, TFPT, KIAA0146, ALKBH3, CUL4A, RTEL1, ABL1, C19orf40, BACH1, ACTB, CDS1, SUMO3, INO80B, DCLRE1A, ACTR5, FANCI, CSNK1G1. ERCC6, UBC, AZD-8055 web RAD51L3, C1orf86, COPS3, DDB2, ERCC2, HIST1H2BI, POLR2J, POLE, PNKP, PIAS4. GRIN2C, DGKZ, DLG4, GRIN2D, GPR39, PRKCA, ABR, TAS1R3, RPS6KA1, ADORA3, RPS6KA2, GHRL, HTR4, SSTR2, DGKI, SHH, DGKD, NPB, GOLT1A, PLXNB1, SPTBN5, CCR10, OPRL1, PSME3, PSMB10, FGFR4, GNG12, MGLL, NPSR1, OR4F5, OR4F4, VWF,. PSMB9, PEBP1, SLA2, MLN, PROKR1, PLCB3, CXCL12, CNKSR1, GPR37, TRPC7, P2RY2, P2RY4, SST, HTR1F, SSTR3, NRG2, RGR, AZD1722 web TAS2R4, AGT, WNT9A, ARHGEF16, ARHGEF17. DR1, BRD1, CHD3, CHD4, HIST1H2BK, KDM3A, SMARCA4, MLL, TRRAP, SMARCE1, KDM5B, KDM5C, HIST1H30A, MLL2, HIST1H3D, MLL3, PADI2, NCOR2, PHF8, EHMT1, MTA1, PRDM16, DNMT3A, PADI1, YEATS4, CSRP2BP, KDM4B, KDM4A, CREBBP, RUVBL2, EP400, SUPT3H, HIST1H4F, SETD1B, DOT1L, ACTB, MYST3, SUZ12P, AEBP2, KDM2B, WHSC1. KIAA1267, HIST1H2BI, KDM3B, SUV39H2, RBP1, SAP130, HIST1H3E, SMYD2, PADI6, HDAC10, FAM48A, MBD3. HSPA6, HSPA7, HSPA4L, GPX2, HSPA13, HSPA2, BAG5, HSPA1B, RPS6KA1, RPS6KA2, NPTXR, ETS2, NUP98, ATG16L1, IL6, DNAJB6, DLC1, HSP90AA1, UBE2E2, TXNRD1, ATG9A, RAE1, WDR45L, E2F1, PRKAG2, ACD, CBX2, RAD50, MAPKAPK2, AKT1S1, RPTOR, CCS, HIST1H1A, SOD1, WDR45, NUP62, TXNRD2, GSR, STAT3, ASF1A, TXN2, GML, NECAB3, DYNLL2. TSC2, GPX1, TNRC6C, TCEB2, TNRC6B, CEBPB, MAP1LC3B, UBC, HSPA1A, EGLN2, PRKAA1, NUP210, ATG3, MAPK14, CBX4, HSPA12B. TRADD, AKT3, PSMD2.Type 1 (CDO1), three well known tumor suppressors that are frequently suppressed by hypermethylation in breast cancer [20, 21, 22].Integrative analysis of DNA methylation and gene expressionTo further investigate the biological consequences of altered DNA methylation by resveratrol treatments, we correlated the epigenetic changes with gene expression variations at mRNAPLOS ONE | DOI:10.1371/journal.pone.0157866 June 29,8 /Methylation Landscape of Breast Cancer Cells in Response to ResveratrolTable 1. Cellular pathways and genes with differential DNA methylation in MDA-MB-231 cells at 24 h after treatment with resveratrol. Pathway name Cell cycle Number of genes 112 Hypermethylated (bold letters) and hypomethylated genes DKC1, AURKA, HSPA2, RCC2, HIST1H2BK, MAD1L1, TCP10, TUBB6, PRKCA,RRP1, HIST1H3A, CSNK2B, SGOL1, TUBA3C, HIST1H3D, ANKLE2, TP53, CCNB1, NUP98, DLC1, RAD17, HSP90AA1, CENPN, UBE2E2, CENPO, PSMA7, PSME3, PSMB10, NHP2, RUVBL2, APEX1, RAE1, HIST1H4F, PPP2R3B, CENPP, UBE2N, REC8, ORC1L, E2F1, TUBA1C, PSMB9, SYCP1, HIST1H2BI, TEX12, PRKAR2B, POLE, TUBA3E, SKP1, PPP2R2A, PIAS4, NCAPH, HIST1H3E, TUBA3D, UBC, INCENP, NUP210, MSH5, NUDC, RAB2A, FKBP6, BUB3, CCND1. DLG4, PYCARD, RPS6KA1, RPS6KA2, ITGB1, IL1B, SPTBN5, ASB4, GH1, GH2, HLADOB, NLRP12, EIF4G3, MRC2, EIF4G1, EIF4G2, TRAF6, CSHL1, TRAF2, EGR1, RAET1G, NFKBIE, ASB2, DUSP10, UBE2K, AKT1S1, SEC24C, IFITM2, TRAF7, RNF144B, IL17RD, LGALS3, CANX, NLRX1, RASGRF2, CD180, SEC61G, HLADMA, CARD11, MX1UBA1, FOXO1, ANGPT1, PDGFRB, PDGFRA, TNFRSF1B, ATP6V0A2, PIK3AP1, TEC,, MAPK14, KEAP1, PDGFA, GZMM, C1S, ZAP70, GHR, KIR3DL2, TLR2, ACTR3, FGF4, IFITM1, GAB1, IL6R, IKBKE, HERC5, UNC93B1, LIF, CD200R1, IL27RA, CCL17, LILRA2, NFATC2, TRIM14, FLNB, TRIM17, TCEB2, IRF4, SPTBN1, CTSL3, RAB7A, MBL2, RNF216, TRIM11, CD226, FOXO3, POLR3K, TRIM68. GTF2H4, HIST1H2BK, RRP1, XRCC5, XRCC4, TP53, PPP4R2, RAD17, GPS1, KDM4B, KDM4A, APEX1, HIST1H4F, UBE2N, FAN1, FAM175A, EYA3, ATRIP, NEIL2, NEIL3, NTHL1, RAD50, WHSC1, POLM, USP10, UBE2I, XPC, KIAA1530, XPA, HERC2, PAXIP1, REV3L, CUL4B, NFRKB, TFPT, KIAA0146, ALKBH3, CUL4A, RTEL1, ABL1, C19orf40, BACH1, ACTB, CDS1, SUMO3, INO80B, DCLRE1A, ACTR5, FANCI, CSNK1G1. ERCC6, UBC, RAD51L3, C1orf86, COPS3, DDB2, ERCC2, HIST1H2BI, POLR2J, POLE, PNKP, PIAS4. GRIN2C, DGKZ, DLG4, GRIN2D, GPR39, PRKCA, ABR, TAS1R3, RPS6KA1, ADORA3, RPS6KA2, GHRL, HTR4, SSTR2, DGKI, SHH, DGKD, NPB, GOLT1A, PLXNB1, SPTBN5, CCR10, OPRL1, PSME3, PSMB10, FGFR4, GNG12, MGLL, NPSR1, OR4F5, OR4F4, VWF,. PSMB9, PEBP1, SLA2, MLN, PROKR1, PLCB3, CXCL12, CNKSR1, GPR37, TRPC7, P2RY2, P2RY4, SST, HTR1F, SSTR3, NRG2, RGR, TAS2R4, AGT, WNT9A, ARHGEF16, ARHGEF17. DR1, BRD1, CHD3, CHD4, HIST1H2BK, KDM3A, SMARCA4, MLL, TRRAP, SMARCE1, KDM5B, KDM5C, HIST1H30A, MLL2, HIST1H3D, MLL3, PADI2, NCOR2, PHF8, EHMT1, MTA1, PRDM16, DNMT3A, PADI1, YEATS4, CSRP2BP, KDM4B, KDM4A, CREBBP, RUVBL2, EP400, SUPT3H, HIST1H4F, SETD1B, DOT1L, ACTB, MYST3, SUZ12P, AEBP2, KDM2B, WHSC1. KIAA1267, HIST1H2BI, KDM3B, SUV39H2, RBP1, SAP130, HIST1H3E, SMYD2, PADI6, HDAC10, FAM48A, MBD3. HSPA6, HSPA7, HSPA4L, GPX2, HSPA13, HSPA2, BAG5, HSPA1B, RPS6KA1, RPS6KA2, NPTXR, ETS2, NUP98, ATG16L1, IL6, DNAJB6, DLC1, HSP90AA1, UBE2E2, TXNRD1, ATG9A, RAE1, WDR45L, E2F1, PRKAG2, ACD, CBX2, RAD50, MAPKAPK2, AKT1S1, RPTOR, CCS, HIST1H1A, SOD1, WDR45, NUP62, TXNRD2, GSR, STAT3, ASF1A, TXN2, GML, NECAB3, DYNLL2. TSC2, GPX1, TNRC6C, TCEB2, TNRC6B, CEBPB, MAP1LC3B, UBC, HSPA1A, EGLN2, PRKAA1, NUP210, ATG3, MAPK14, CBX4, HSPA12B. TRADD, AKT3, PSMD2.