کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5505538 | 1400272 | 2017 | 19 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
SPOP promotes SIRT2 degradation and suppresses non-small cell lung cancer cell growth
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موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
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چکیده انگلیسی
SIRT2 is a NAD-dependent deacetylase and inhibition of SIRT2 has a broad anticancer activity. Here we report that SPOP binds to SIRT2 and mediates its degradation by the 26S proteasome, which can be blocked by MG132 treatment. We also found that the levels of SPOP significantly decreased, while the levels of SIRT2 significantly increased in non-small cell lung cancer (NSCLC) cell lines, compared to normal bronchial epithelial cell line and NSCLC specimens, compared to the paired non-tumor lung tissue. Furthermore, SPOP can suppress NSCLC cell growth. Notably, mutations in NSCLC inhibit the abilities of SPOP to degrade SIRT2 and suppress NSCLC cell growth. These results reveal a novel regulation of SIRT2 by SPOP mediated degradation, which is important for the growth of lung tumor cells.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 483, Issue 2, 5 February 2017, Pages 880-884
Journal: Biochemical and Biophysical Research Communications - Volume 483, Issue 2, 5 February 2017, Pages 880-884
نویسندگان
Jie Luo, Yu-chen Bao, Xian-xiu Ji, Bin Chen, Qin-fang Deng, Song-wen Zhou,