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- W1614904038 abstract "Abstract Aim: Brain metastasis from ovarian cancer is a very rare phenomenon. BRCA1 ‐related ovarian cancers show specific pathobiological profiles, advanced stage, and sensitivity to chemotherapeutic agents. However, no clear relationship to any known metastatic behavior has yet been found, so we examined the BRCA1 mutation and expression profiles in ovarian cancer cases with brain metastases. Material and Methods: We examined our clinical records of 340 ovarian cancer cases from 1983 to 2007 to ascertain cases with brain metastases. In the molecular genetic analyses, we performed loss of heterozygosity (LOH), direct sequence and immunohistochemical staining analysis of BRCA1 . Results: We ascertained seven cases with brain metastases in 340 ovarian cancer cases (7/340 = 2.1%). Among the seven cases, three cases had ovarian and/or breast cancer patients in third‐degree relatives. We detected four LOH‐positive cases and a germline mutation of BRCA1 in two of the four cases. Furthermore, the remaining two cases showed absent staining of the BRCA1 protein. Therefore, four of seven cases with brain metastases were considered BRCA1 ‐related ovarian cancers (4/7 = 57.1%). All four of the cases were serous adenocarcinoma. Conclusion: Our results suggest that the loss of BRCA1 function may be involved in the phenomenon of brain metastasis from ovarian cancer. Further molecular biologic analyses will be required for a better understanding of this rare phenomenon." @default.
- W1614904038 created "2016-06-24" @default.
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- W1614904038 date "2012-08-13" @default.
- W1614904038 modified "2023-10-16" @default.
- W1614904038 title "Increased incidence of brain metastases in<i>BRCA1</i>-related ovarian cancers" @default.
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- W1614904038 doi "https://doi.org/10.1111/j.1447-0756.2012.01961.x" @default.
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