کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1935199 1050660 2008 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
NFBD1/MDC1 stabilizes oncogenic MDM2 to contribute to cell fate determination in response to DNA damage
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی زیست شیمی
پیش نمایش صفحه اول مقاله
NFBD1/MDC1 stabilizes oncogenic MDM2 to contribute to cell fate determination in response to DNA damage
چکیده انگلیسی
In response to DNA damage, NFBD1/MDC1 induces the accumulation of DNA repair machinery such as MRN complex at the sites of damaged DNA to form nuclear foci. In this study, we found that NFBD1 directly interacts with MDM2 and increases its stability. During adriamycin (ADR)-mediated apoptosis, expression levels of NFBD1 reduced in association with the down-regulation of MDM2. Enforced expression of NFBD1 resulted in a significant stabilization of MDM2. Consistent with these observations, siRNA-mediated knockdown of the endogenous NFBD1 decreased the amounts of the endogenous MDM2. Immunoprecipitation and in vitro pull-down assays demonstrated that NFBD1 interacts with MDM2 through its COOH-terminal BRCT domains. In accordance with our recent results, enforced expression of NFBD1 rendered cells resistant to DNA damage. Similar results were also obtained in cells expressing exogenous MDM2. Taken together, our present findings suggest that NFBD1-mediated stabilization contributes to cell survival in response to DNA damage.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 371, Issue 4, 11 July 2008, Pages 829-833
نویسندگان
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