ArticleJournal of applied genetics2009
Loss of heterozygosity at BRCA1/2 loci in hereditary and sporadic ovarian cancers.
Article in Journal of applied genetics, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 9 citations in OpenAlex.
- Homologous Recombination Deficiency in Ovarian, Breast, Colorectal, Pancreatic, Non-Small Cell Lung and Prostate Cancers, and the Mechanisms of Resistance to PARP Inhibitors.Frontiers in oncology · 2022Review
- Uterine Cancer After Risk-Reducing Salpingo-oophorectomy Without Hysterectomy in Women With BRCA Mutations.JAMA oncology · 2016Article
- Functional assays for analysis of variants of uncertain significance in BRCA2.Human mutation · 2014Review
- Prevalence of the most frequent BRCA1 mutations in Polish population.Journal of applied genetics · 2011Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Loss of heterozygosity at BRCA1/2 loci in breast and ovarian tumors is a suggested risk factor for germline BRCA1/2 mutation status. We evaluated the presence of losses of selected microsatellite markers localized on chromosomes 17 and 13q in hereditary and sporadic ovarian tumors. 151 consecutive primary ovarian tumors (including 21 with BRCA1/2 mutations and 130 without the mutations) were screened for loss of heterozygosity at loci on chromosomes 17 and 13q. Losses of heterozygosity of at least one microsatellite marker localized on chromosomes 17 and 13q were revealed in 123 (81.5%) and 104 (68.9%) tumors, respectively. Losses of all informative markers on chromosomes 17 and 13 occurred in 30 (19.9%) and 31 (20.5%) tumors, respectively. There was no difference in the frequency of losses at BRCA1 intragenic markers (D17S855 and D17S1323) between BRCA1-positive and BRCA1-negative patients. The frequency of losses on chromosome 17 was higher in high-grade than in low-grade carcinomas. Loss of heterozygosity on chromosomes 17 and 13q is a frequent phenomenon in both hereditary and sporadic ovarian cancers. The frequency of losses at BRCA1 intragenic markers in the ovarian tumor tissue is not strongly related to the presence of BRCA1 germline mutations.
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