期刊
PLOS ONE
卷 16, 期 7, 页码 -出版社
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0254921
关键词
-
资金
- Science and Engineering Research Board [SB/FT/LS-438/2012]
- DST-INSPIRE faculty program, India [DST/INSPIRE/04/2017/002913]
The study aimed to investigate the expression of miR-210 and its association with the hypoxic pathway in DFU patients. It found an inverse relationship between miR-210 and HIF-1 alpha expression, indicating that miR-210 may regulate the expression of the hypoxic gene in DFU patients. Additionally, increased expression of IL-6 and TNF-alpha was observed in DFU patients compared to healthy controls and T2DM subjects, while VEGF expression remained unchanged.
Aim Diabetic foot ulcer (DFU) is a major concern in diabetes and its control requires in-depth molecular investigation. The present study aimed to screen the expression of microRNA-210 (miR-210) and its association in hypoxic pathway in DFU patients. Methods The study consists of 3 groups of circulation samples (50 in each group of: healthy volunteers, T2DM and T2DM with DFU) and 2 groups of tissue samples (10 in each group of: control and T2DM with DFU). Expression of miR-210 and hypoxia inducible factor-1 alpha (HIF-1 alpha), and its responsive genes such as VEGF, TNF-alpha, IL-6, BCl2, Bax and Caspase 3 were analyzed by RT-PCR, Western blot and ELISA analyses. Results The HIF-1 alpha expression decreased in DFU patients with increased miR-210 expression in both circulation and tissue biopsies. The circulatory IL-6 and inflammatory gene TNF-alpha expression was increased in DFU compared to healthy controls and T2DM subjects. Further, we found there was no alteration in the angiogenic marker, VEGF expression. In comparison, anti-apoptotic BCl2 was decreased and Bax and Caspase 3 was increased in DFU tissues relative to control. Conclusions The study showed that there was an inverse relationship between miR-210 and HIF-1 alpha expression in patients with DFU, indicating that miR-210 may regulate the expression of the hypoxic gene.
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