期刊
EXPERIMENTAL CELL RESEARCH
卷 381, 期 2, 页码 208-214出版社
ELSEVIER INC
DOI: 10.1016/j.yexcr.2019.04.023
关键词
MicroRNA-204-5p; Fas/FasL pathway; Renal ischemia-reperfusion injury; Blood urea nitrogen; Creatinine; Superoxide dismutase; Glutathione peroxidase; Malondialdehyde
The multiple roles of microRNA-204-5p (miR-204-5p) in numerous types of cancer have been reported, but its function in renal ischemia-reperfusion injury (RIRI) remains unclear. In this study, we aim to explore whether miR-204-5p was implicated in the RIRI in mice via regulating the Fas/Fas ligand (FasL) pathway. Firstly, the Gene Expression Omnibus (GEO) database was used to screen RIRI-related differentially expressed genes (DEGs). Then, RIRI mouse model was established, and the role of miR-204-5p and FasL in RIRI was explored by ectopic expression, depletion and reporter assay experiments. The blood urea nitrogen (BUN) and serum creatinine (Scr) levels in serum, as well as superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) and malondialdehyde (MDA) in renal tissues of mice were also measured. Afterwards, the regulatory role of miR-204-5p on Fas/FasL pathway in RIRI was investigated. Renal tissues from RIRI mice showed lower miR-204-5p expression and higher Fas and FasL expression. FasL was identified as a direct target gene of miR-204-5p. In addition, the increased levels of BUN, Scr and MDA, as well as decreased levels of SOD and GSH-Px in RIRI mice were reversed by elevation of miR-204-5p and blockage of the Fas/FasL pathway. Taken together, this study demonstrated that increased miR-204-5p might suppress RIRI in mice through suppressing Fas/FasL pathway by targeting FasL.
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