ArticleRevista da Associacao Medica Brasileira (1992)2024
Homologous recombination deficiency gene panel analysis results in synchronous endometrial and ovarian cancers.
Article in Revista da Associacao Medica Brasileira (1992), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Outcomes and prognostic factors in patients with synchronous endometrial and ovarian cancer.Archives of gynecology and obstetrics · 2025Article
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7 authors.
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Abstract
objectiveThe objective of this study was to analyze the genetic alterations of tumors within the scope of the homologous recombination deficiency gene panel in patients diagnosed with synchronous endometrial ovarian cancer who have been followed for over 5 years using next-generation sequencing.
methodsDNA was isolated from the patient's formalin-fixed, paraffin-embedded tissue blocks. Next-generation sequencing was performed using the Illumina capture-based sequencing method. Samples were sequenced using the Sophia HR Solution DNA Kit.
resultsSeven patients were included in this study. The ratios of likely pathogenic (LP)/pathogenic (P) somatic mutations in ATM (serine/threonine kinase or Ataxia-telangiectasia mutated gene), BRCA2 (breast cancer type 2 susceptibility gene), BARD1 (BRCA1 associated RING domain 1), TP53 (tumor protein p53), BIRP1 (BRCA1-interacting helicase 1 gene), PALB2 (partner and localizer of BRCA2), and CHECK2 were 21 (48.8%), 8 (18.6%), 5 (11.6%), 3 (6.9%), 2 (4.6%), 2 (4.6%), and 2 (4.6%), respectively, in endometrium, and the ratios of somatic mutations in ATM, BRCA2, TP53, BARD1, RAD54L (DNA repair/recombination protein like), BIRP1, and RAD51D (RAD51 recombinase paralog D) were 24 (60%), 6 (15%), 5 (12.5%), 2 (5%), 2 (5%), 1 (2.5%), and 1 (2.5%), respectively, in ovary. In endometrioid-synchronous endometrial ovarian cancer cases, P/LP mutations were observed in ATM and CHECK2 genes in endometrium and ATM, BRCA2, and TP53 genes in ovary. In two non-endometrioid-synchronous endometrial ovarian cancer cases, CHEK2 (checkpoint kinase 2) mutations were observed in endometrium and ATM and TP53 mutations in ovary, whereas in one case, P/LP mutations in ATM and TP53 genes were common in both tissues.
conclusionPathogenic variations confirming the diagnosis of synchronous endometrial ovarian cancer with genetic alterations were identified in all but one case. ATM gene mutation emerged as the most common alteration and has a potential association with a favorable prognosis.
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