کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10766887 | 1050686 | 2008 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
PCR arrays identify metallothionein-3 as a highly hypoxia-inducible gene in human adipocytes
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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
Hypoxia-signalling pathway PCR arrays were used to examine the integrated response of human adipocytes to low O2 tension. Incubation of adipocytes in 1% O2 for 24Â h resulted in no change in the expression of 63 of the 84 genes on the arrays, a reduction in expression of 9 genes (including uncoupling protein 2) and increased expression of 12 genes. Substantial increases (>10-fold) in leptin, angiopoietin-like protein 4, VEGF and GLUT-1 mRNA levels were observed. The expression of one gene, metallothionein-3 (MT-3), was dramatically (>600-fold) and rapidly (by 60Â min) increased by hypoxia. MT-3 gene expression was also substantially induced by hypoxia mimetics (CoCl2, desferrioxamine, dimethyloxalylglycine), indicating transcriptional regulation through HIF-1. Hypoxia additionally induced MT-3 expression in preadipocytes, and MT-3 mRNA was detected in human (obese) subcutaneous and omental adipose tissue. MT-3 is a highly hypoxia-inducible gene in human adipocytes; the protein may protect adipocytes from hypoxic damage.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 368, Issue 1, 28 March 2008, Pages 88-93
Journal: Biochemical and Biophysical Research Communications - Volume 368, Issue 1, 28 March 2008, Pages 88-93
نویسندگان
Bohan Wang, I. Stuart Wood, Paul Trayhurn,