کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10754749 | 1050362 | 2014 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Cancer-testis antigen HCA587/MAGE-C2 interacts with BS69 and promotes its degradation in the ubiquitin-proteasome pathway
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
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چکیده انگلیسی
HCA587, also known as MAGE-C2, belonging to the MAGE gene family which is characterized by a conserved MAGE Homology Domain, is active in various types of tumors and silent in normal tissues except in male germ-line cells. The biological function of HCA587 is largely unknown. To analyze it, we attempted to identify protein partners of HCA587. We immunopurified HCA587-containing complex from HEK293 cells and identified BS69, a potential tumor suppressor, as an associated protein by mass spectrometry, and the following Immunoprecipitation and GST pull-down assays confirmed HCA587 interaction with BS69. Interestingly, overexpression of HCA587 promoted ubiquitination and the proteasomal degradation of BS69 whereas knockdown of endogenous HCA587 increased the protein level of BS69. Consistent with a functional role for BS69 in negatively regulating LMP1-induced NF-κB activation, overexpression of HCA587 resulted in a significant enhancement of LMP1-induced IL-6 production. These data indicate that HCA587 is a new negative regulator of BS69.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 449, Issue 4, 11 July 2014, Pages 386-391
Journal: Biochemical and Biophysical Research Communications - Volume 449, Issue 4, 11 July 2014, Pages 386-391
نویسندگان
Jiaqing Hao, Rui Shen, Yan Li, Yu Zhang, Yanhui Yin,