نتایج جستجو برای: xrcc4
تعداد نتایج: 389 فیلتر نتایج به سال:
The non-homologous end-joining pathway promotes direct enzymatic rejoining of DNA double-strand breaks (DSBs) and is an important determinant of genome stability in eukaryotic cells. Although previous work has shown that this pathway requires Ku, DNA-PKcs and the DNA ligase IV/XRCC4 complex, we found that these proteins alone did not promote efficient joining of cohesive-ended DNA fragments in ...
Ataxia-oculomotor apraxia 1 (AOA1) is an autosomal recessive neurodegenerative disease that is reminiscent of ataxia-telangiectasia (A-T). AOA1 is caused by mutations in the gene encoding aprataxin, a protein whose physiological function is currently unknown. We report here that, in contrast to A-T, AOA1 cell lines exhibit neither radioresistant DNA synthesis nor a reduced ability to phosphoryl...
Genotype-phenotype relationships between genetic polymorphisms of DNA repair genes and DNA repair capacity were evaluated in a case-control study of breast cancer. Selected DNA repair genes included were those involved in double-strand break repair (ATM, XRCC2, XRCC4, XRCC6, LIG4, RAD51, RAD52), base excision repair (LIG1), nucleotide excision repair (ERCC1), and mismatch repair (hMLH1). The su...
زمینه سرطان تیرویید تمایز یافته (dtc) شایع ترین بدخیمی غدد درون ریز بوده که شامل سرطان تیرویید فولیکولاری و پاپیلاری می باشد. یکی از عوامل مؤثر در ایجاد ان اثر اشعه و به دنبال آن شکست dna است. از جمله مسیرهای مهم ترمیم dna شکسته شده، مسیر nhej (nonhomologus end joining) می باشد که با اتصال دو انتهای غیر همولوگ، dna شکسته شده را به هم متصل می کند. یکی از ژن های مهم این مسیر، ژن xrcc4 می باشد و پ...
XRCC4-like factor (XLF) is involved in non-homologous end joining-mediated repair of DNA double-strand breaks (DSBs). Mutations in the WRN gene results in the development of Werner syndrome (WS), a rare autosomal recessive disorder characterized by premature ageing and genome instability. In the present study, it was identified that XLF protein levels were lower in WRN-deficient fibroblasts, co...
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