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Homologous repair deficiency score for identifying breast cancers with defective DNA damage response

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dc.contributor.authorMin, Ahrum-
dc.contributor.authorKim, Kwangsoo-
dc.contributor.authorJeong, Kyeonghun-
dc.contributor.authorChoi, Seongmin-
dc.contributor.authorKim, Seongyeong-
dc.contributor.authorSuh, Koung Jin-
dc.contributor.authorLee, Kyung-Hun-
dc.contributor.authorKim, Sun-
dc.contributor.authorIm, Seock-Ah-
dc.date.accessioned2022-03-22T09:11:43Z-
dc.date.available2022-03-22T09:11:43Z-
dc.date.created2020-08-24-
dc.date.created2020-08-24-
dc.date.created2020-08-24-
dc.date.created2020-08-24-
dc.date.created2020-08-24-
dc.date.issued2020-07-
dc.identifier.citationScientific Reports, Vol.10 No.1, p. 12506-
dc.identifier.issn2045-2322-
dc.identifier.other111346-
dc.identifier.urihttps://hdl.handle.net/10371/177239-
dc.description.abstractBreast cancer (BC) in patients with germline mutations of BRCA1/BRCA2 are associated with benefit from drugs targeting DNA damage response (DDR), but they account for only 5-7% of overall breast cancer. To define the characteristics of these tumors and also to identify tumors without BRCA mutation but with homologous recombination deficiency (HRD) is clinically relevant. To define characteristic features of HRD tumors and analyze the correlations between BRCA1/BRCA2 and BC subtypes, we analyzed 981 breast tumors from the TCGA database using the signature analyzer. The BRCA signature was strongly associated with the HRD score top 10% (score >= 57) population. This population showed a high level of mutations in DDR genes, including BRCA1/BRCA2. HRD tumors were associated with high expression levels of BARD1 and BRIP1. Besides, BRCA1/2 mutations were dominantly observed in basal and luminal subtypes, respectively. A comparison of HRD features in BC revealed that BRCA1 exerts a stronger influence inducing HRD features than BRCA2 does. It reveals genetic differences between BRCA1 and BRCA2 and provides a basis for the identification of HRD and other BRCA-associated tumors.-
dc.language영어-
dc.publisherNature Publishing Group-
dc.titleHomologous repair deficiency score for identifying breast cancers with defective DNA damage response-
dc.typeArticle-
dc.contributor.AlternativeAuthor임석아-
dc.identifier.doi10.1038/s41598-020-68176-y-
dc.citation.journaltitleScientific Reports-
dc.identifier.wosid000556872700039-
dc.identifier.scopusid2-s2.0-85088593384-
dc.citation.number1-
dc.citation.startpage12506-
dc.citation.volume10-
dc.identifier.sci000556872700039-
dc.description.isOpenAccessY-
dc.contributor.affiliatedAuthorKim, Sun-
dc.contributor.affiliatedAuthorIm, Seock-Ah-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.subject.keywordPlusSOMATIC POINT MUTATIONS-
dc.subject.keywordPlusMAINTENANCE THERAPY-
dc.subject.keywordPlusUBIQUITIN LIGASE-
dc.subject.keywordPlusBRCA2 MUTATIONS-
dc.subject.keywordPlusRECOMBINATION-
dc.subject.keywordPlusEXPRESSION-
dc.subject.keywordPlusSIGNATURES-
dc.subject.keywordPlusPROTEIN-
dc.subject.keywordPlusASSOCIATION-
dc.subject.keywordPlusRESISTANCE-
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  • College of Medicine
  • Department of Medicine
Research Area Clinical Medicine

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