نتایج جستجو برای: homologous recombination repair system
تعداد نتایج: 2445402 فیلتر نتایج به سال:
Bloom's syndrome (BS) is an autosomal recessive disorder characterized by a strong cancer predisposition. The defining feature of BS is extreme genome instability. The gene mutated in Bloom's syndrome, BLM, encodes a DNA helicase (BLM) of the RecQ family. BLM plays a role in homologous recombination; however, its exact function remains controversial. Mutations in the BLM cause hyperrecombinatio...
Fragile histidine triad (FHIT) gene deletion or promoter methylation and reduced Fhit protein expression occur in approximately 70% of human epithelial tumors and, in some cancers, are clearly associated with tumor progression. Specific Fhit signal pathways have not been identified. We previously reported that compared with Fhit+/+ cells, Fhit-/- cells with an overactivated ATR/CHK1 pathway sho...
DNA damage, malfunctions in DNA repair, and genomic instability are processes that intersect at the crossroads of carcinogenesis. Underscoring the importance of DNA repair in breast and ovarian tumorigenesis is the familial inherited cancer predisposition gene BRCA2. The role of BRCA2 in DNA double-strand break repair was first revealed based on its interaction with RAD51, a central player in h...
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