نتایج جستجو برای: brca genes
تعداد نتایج: 428134 فیلتر نتایج به سال:
BACKGROUND Mutations in the BRCA1 or BRCA2 genes are responsible for up to 95% of hereditary ovarian cancer cases. Both genes function as tumour suppressor genes, and development of a cancer is thought to require an accumulation of somatic genetic events in addition to the inherited germline predisposition. It is unknown whether these somatic events in BRCA associated ovarian cancer are similar...
T he day after Mother's Day, actress Angelina Jolie wrote an op-ed in the New York Times revealing her decision to undergo a double mastectomy after learning that she carries a deleterious mutation in the BRCA1 gene. Jolie and women like her who have certain germ-line BRCA1 or BRCA2 mutations are at higher risk for breast and ovarian cancers. Jolie, whose mother died from ovarian cancer, said s...
A genome-wide siRNA screen identiiies the FA/BRCA pathway as the strongest predictor of cisplatin response in head and neck cancer cells. ABSTRACT Objective: Patients with advanced head and neck squamous cell carcinoma (HNSCC) are generally treated with cisplatin-containing chemoradiation protocols. Although cisplatin is a low-priced and often used addition to radiation, it causes severe toxici...
Since BRCA mutations are only responsible for 10-20% of cases of breast cancer in patients with early-onset or a family history and since next-generation sequencing technology allows the simultaneous sequencing of a large number of target genes, testing for multiple cancer-predisposing genes is now being considered, but its significance in clinical practice remains unclear. We then developed a ...
The incidence of breast cancer in Korea has been increasing in recent years, such that it is now the most common female cancer. Breast cancer in Korea is characterized by an earlier age of onset than in Western countries, suggesting that it would be related with genetic background. We assayed germline mutations in the BRCA genes to evaluate their genetic pathology in Korean breast cancer patien...
BACKGROUND This study sought to estimate the risk of breast cancer (BC) after a diagnosis of ovarian cancer (OC) associated with mutation of the BRCA1/2 (breast cancer, early onset) genes (BRCA-OC). METHODS The Memorial Sloan-Kettering Cancer Center and the University of Pennsylvania, clinical genetics databases were searched to identify women with BRCA-OC who participated in genetic testing ...
Inhibitors of the poly(adenosine triphosphate-ribose) polymerase (PARP)-1 enzyme induce synthetic lethality in cancers with ineffective DNA (DNA) repair or homologous repair deficiency, and have shown promising clinical activity in cancers deficient in DNA repair due to germ-line mutation in BRCA1 and BRCA2. The majority of breast cancers arising in carriers of BRCA1 germ-line mutations, as wel...
BACKGROUND Breast cancer associated (BRCA) genes are critical for DNA repair. Mutations in BRCA1 and BRCA2 (BRCAm) result in loss of these repair mechanisms and potential carcinogenesis. Germline BRCAm are common in ovarian carcinomas, particularly in platinum-sensitive disease. The increased prevalence of BRCAm in platinum-sensitive disease is likely due to enhanced responsiveness to platinum ...
Next-generation sequencing (NGS) has enabled new approaches for detection of mutations in the BRCA1 and BRCA2 genes responsible for hereditary breast and ovarian cancer (HBOC). The search for germline mutations in the BRCA1 and BRCA2 genes is of importance with respect to oncogenetic and surgical (bilateral mastectomy, ovariectomy) counselling. Testing tumor material for BRCA mutations is of in...
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