Relative survival rates of only 44 and 65 respectively [4]. NEECs contribute disproportionately to mortality from EC. In a SMER28 population-based study of endometrioid, serous, and clear cell ECs within the United States Surveillance Epidemiology and EndCohesion Gene Mutations in Endometrial CancerTable 1. Genes resequenced in the mutation discovery screen.Human Gene Symbol APRIN/PDS5BHuman Gene Name PDS5, regulator of cohesion maintenance, homolog B CTF8, chromosome transmission fidelity factor 8 homolog CTF18, chromosome transmission fidelity factor 18 homolog Structural maintenance of chromosomes 3 DEAD/H (Asp-Glu-AlaAsp/His) box polypeptide 11 Defective in sister chromatid cohesion 1 homolog Establishment of cohesion 1 homolog 1 Coiled-coil domain containing 88A Leo1, Paf1/RNA polymerase II complex component, homolog MRE11 meiotic recombination 11 homolog A Nipped-B homolog REC8 homolog PDS5, regulator of cohesion maintenance, homolog A Shugoshin-like 1 Structural maintenance of chromosomes 1A Stromal antigen 2 Stromal antigen 3 Timeless homolog (Drosophila) TIMELESS interacting protein WD repeat and HMG-box DNA binding protein 1 Zinc finger CCCH-type containingHuman mRNA Accession Number NM_015032.Human Protein Accession Number NP_055847.S. cerevisiae OrthologPDSS. cerevisiae Ortholog ERegulates value Cohesion2E-32 YesCHTF8/DERPCNM_NP_001035236.CTFNAYesCHTFNM_022092.NP_071375.CTF8E-YesCSPG6/SMCNM_005445.NP_005436.SMC0.YesDDX11/CHLRNM_030653.NP_085911.CHL2E-139 YesDSCC1/DCCNM_024094.NP_076999.DCC8E-YesESCO1 KIAA1212/CCDC88A LEONM_052911.1 NM_018084.3 NM_138792.NP_443143.2 NP_060554.3 NP_620147.ECO1/CTF7 RAD61 MRC8E-15 4E-04 1E-Yes Yes -MRE11ANM_NP_005582.MRE2E-130 YesNIPBL REC8L1 SCC-112/PDS5ANM_015384.3 NM_001048205.1 NM_NP_597677.2 NP_005123.1 NP_SCC2 SPO69 PDS4E-14 9E-05 6E-Yes Yes YesSGOL1 SMC1L1/SMC1ANM_001012409.1 NM_006306.NP 001012410.1 NP_006297.SGO1 SMCNAYes1E-153 YesSTAG2 STAG32 TIMELESS TIPIN WDHD1/hCTFNM_006603 NM_012447.2 NM_003920.1 NM_017858.1 NM_007086.NP_006594.3 NP_036579.2 NP_003911.2 NP_060328.2 NP_009017.SCC3 SCC3 TOF1 CSM3 CTF5E-22 8E-23 1E-11 7E-10 7E-Yes Yes Yes Yes YesZC3H13/DINGNM_NP_055885.PDS–Gene analyzed because it is somatically mutated in colorectal cancer. Implicated in meiotic specific cohesion. doi:10.1371/journal.pone.0063313.tResults (SEER) program (1988?001), NEECs accounted for 47 of deaths even though they constituted only 13 of diagnoses [5]. EECs and NEECs exhibit distinct modes of genomic instability. EECs tend to be diploid or near-diploid but frequently exhibit microsatellite instability (MSI) [6], [7], [8], [9], [10], [11]. Incontrast, NEECs are frequently aneuploid, or chromosomally unstable, but display MSI only rarely [11], [12], [13], [14], [15], [16], [17]. MSI reflects a mutator phenotype resulting from defective mismatch repair (reviewed in [18]). In sporadic endometrialCohesion Gene Mutations in Endometrial CancerTable 2. Nonsynonymous, somatic mutations in ESCO1, CHTF18 and MRE11A, in ECs.TTTTTTEthics statementThe NIH Office of Human Subjects 3397-23-7 web research determined that this research was not “human subjects research” per the Common Rule (45 CFR 46), and therefore that no IRB review was required for sequencing of the anonymized samples in this study.MRE11ACHTFESCOGeneT3{T3{Materials and MethodsCase no T3 is also known as OM-1323. n/a Not applicable. Transcript accession numbers: ESCO1 (NM_052911.1), CHTF18 (NM_022092.1), MRE11A (NM_005591). ” Protein accession numbers: ESCO1 (NP_4.Relative survival rates of only 44 and 65 respectively [4]. NEECs contribute disproportionately to mortality from EC. In a population-based study of endometrioid, serous, and clear cell ECs within the United States Surveillance Epidemiology and EndCohesion Gene Mutations in Endometrial CancerTable 1. Genes resequenced in the mutation discovery screen.Human Gene Symbol APRIN/PDS5BHuman Gene Name PDS5, regulator of cohesion maintenance, homolog B CTF8, chromosome transmission fidelity factor 8 homolog CTF18, chromosome transmission fidelity factor 18 homolog Structural maintenance of chromosomes 3 DEAD/H (Asp-Glu-AlaAsp/His) box polypeptide 11 Defective in sister chromatid cohesion 1 homolog Establishment of cohesion 1 homolog 1 Coiled-coil domain containing 88A Leo1, Paf1/RNA polymerase II complex component, homolog MRE11 meiotic recombination 11 homolog A Nipped-B homolog REC8 homolog PDS5, regulator of cohesion maintenance, homolog A Shugoshin-like 1 Structural maintenance of chromosomes 1A Stromal antigen 2 Stromal antigen 3 Timeless homolog (Drosophila) TIMELESS interacting protein WD repeat and HMG-box DNA binding protein 1 Zinc finger CCCH-type containingHuman mRNA Accession Number NM_015032.Human Protein Accession Number NP_055847.S. cerevisiae OrthologPDSS. cerevisiae Ortholog ERegulates value Cohesion2E-32 YesCHTF8/DERPCNM_NP_001035236.CTFNAYesCHTFNM_022092.NP_071375.CTF8E-YesCSPG6/SMCNM_005445.NP_005436.SMC0.YesDDX11/CHLRNM_030653.NP_085911.CHL2E-139 YesDSCC1/DCCNM_024094.NP_076999.DCC8E-YesESCO1 KIAA1212/CCDC88A LEONM_052911.1 NM_018084.3 NM_138792.NP_443143.2 NP_060554.3 NP_620147.ECO1/CTF7 RAD61 MRC8E-15 4E-04 1E-Yes Yes -MRE11ANM_NP_005582.MRE2E-130 YesNIPBL REC8L1 SCC-112/PDS5ANM_015384.3 NM_001048205.1 NM_NP_597677.2 NP_005123.1 NP_SCC2 SPO69 PDS4E-14 9E-05 6E-Yes Yes YesSGOL1 SMC1L1/SMC1ANM_001012409.1 NM_006306.NP 001012410.1 NP_006297.SGO1 SMCNAYes1E-153 YesSTAG2 STAG32 TIMELESS TIPIN WDHD1/hCTFNM_006603 NM_012447.2 NM_003920.1 NM_017858.1 NM_007086.NP_006594.3 NP_036579.2 NP_003911.2 NP_060328.2 NP_009017.SCC3 SCC3 TOF1 CSM3 CTF5E-22 8E-23 1E-11 7E-10 7E-Yes Yes Yes Yes YesZC3H13/DINGNM_NP_055885.PDS–Gene analyzed because it is somatically mutated in colorectal cancer. Implicated in meiotic specific cohesion. doi:10.1371/journal.pone.0063313.tResults (SEER) program (1988?001), NEECs accounted for 47 of deaths even though they constituted only 13 of diagnoses [5]. EECs and NEECs exhibit distinct modes of genomic instability. EECs tend to be diploid or near-diploid but frequently exhibit microsatellite instability (MSI) [6], [7], [8], [9], [10], [11]. Incontrast, NEECs are frequently aneuploid, or chromosomally unstable, but display MSI only rarely [11], [12], [13], [14], [15], [16], [17]. MSI reflects a mutator phenotype resulting from defective mismatch repair (reviewed in [18]). In sporadic endometrialCohesion Gene Mutations in Endometrial CancerTable 2. Nonsynonymous, somatic mutations in ESCO1, CHTF18 and MRE11A, in ECs.TTTTTTEthics statementThe NIH Office of Human Subjects Research determined that this research was not “human subjects research” per the Common Rule (45 CFR 46), and therefore that no IRB review was required for sequencing of the anonymized samples in this study.MRE11ACHTFESCOGeneT3{T3{Materials and MethodsCase no T3 is also known as OM-1323. n/a Not applicable. Transcript accession numbers: ESCO1 (NM_052911.1), CHTF18 (NM_022092.1), MRE11A (NM_005591). ” Protein accession numbers: ESCO1 (NP_4.