کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
2167536 | 1092338 | 2010 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Regulation of lipopolysaccharide-induced inflammatory response by heat shock protein 27 in THP-1 cells
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موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
بیولوژی سلول
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چکیده انگلیسی
HSP27 is a member of the small HSP family which has been linked to different signaling pathways regulating critical cellular functions. But the role of HSP27 in LPS-induced inflammatory signaling pathways is still unclear. In the present study, both overexpression and RNA interference experiments indicated that HSP27 increased LPS-induced expression of iNOS and COX-2 and release of NO/PGE2 through enhancing NF-κB but not MAPK activation. The effects of HSP27 on LPS-induced iNOS/COX-2 expression and relative signaling cascade were closely related with the phosphorylation of HSP27. Further studies have shown that HSP27-regulated LPS-induced activation of NF-κB by interacting with TRAF6 and increasing the association of TRAF6-IKKγ. This could be a probable mechanism by which HSP27 modulates LPS-induce inflammatory signaling pathways. Thus, HSP27 may play a potential role in regulating inflammatory responses in immunologic system.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Cellular Immunology - Volume 264, Issue 2, 2010, Pages 127-134
Journal: Cellular Immunology - Volume 264, Issue 2, 2010, Pages 127-134
نویسندگان
Junhong Liu, Suli Hong, Zhiyong Feng, Yinqiang Xin, Qi Wang, Jin Fu, Chao Zhang, Guilan Li, Lan Luo, Zhimin Yin,