کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8294848 | 1536755 | 2018 | 30 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Role of thyroid transcription factor-1 in transcriptional regulation of heme oxygenase-1
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
Here, we report thyroid transcription factor 1 (TTF-1) as an important transcription factor for the expression of heme oxygenase-1 (HO-1). HO-1 is a well-known cytoprotective enzyme against inflammation. We observed that HO-1 co-expressed with TTF-1 in mouse hypothalamic cells. Results from luciferase and chromatin immunoprecipitation assays revealed that TTF-1 directly activated HO-1 transcription by binding to binding domains in the 5â²-flanking region of the HO-1 gene. A proinflammatory cytokine, tumor necrosis factor-alpha (TNF-α), induced nuclear translocation of TTF-1 and increased binding affinity of TTF-1 to its binding sites on the HO-1 gene. HO-1 mRNA increased with TTF-1 overexpression but decreased with RNA interference of TTF-1 expression in rat astroglial C6 cells. Together with results showing involvement of TTF-1 in the TNF-α-induced increase in interleukin 1 beta and monocyte chemotactic protein 1 production, this study suggests that TTF-1 plays an important role in the mouse hypothalamus TNF-α-induced inflammatory response for regulating HO-1 gene expression.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 496, Issue 1, 29 January 2018, Pages 147-152
Journal: Biochemical and Biophysical Research Communications - Volume 496, Issue 1, 29 January 2018, Pages 147-152
نویسندگان
Bora Jeong, Han Rae Kim, Nan Seong Choi, Byong Seo Park, Hyejin Eom, Jeong Woo Park, Jae Geun Kim, Byung Ju Lee,