期刊
MOLECULAR MEDICINE REPORTS
卷 16, 期 4, 页码 5541-5548出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/mmr.2017.7240
关键词
urine-derived stem cells; ischemic acute kidney injury; repair
资金
- National Nature Science Foundation [30960385, 81170640]
Acute kidney injury (AKI) is a clinical syndrome associated with high rates of morbidity and mortality. It has previously been reported that stem cells may be considered a potential therapeutic strategy for the treatment of AKI. The present study aimed to determine whether administration of urine-derived stem cells (USCs) to rats with ischemia/reperfusion (I/R)-induced AKI could improve renal function. USCs were isolated and cultured from 8 healthy men. Subsequently, USCs transduced with green fluorescent protein were mixed with hydrogel and were injected into rats with renal I/R injury. Renal tubular injury, proliferation and apoptosis were detected in the I/R model. Hematoxylin and eosin staining was used to detect the morphological of kidney injury. Immunohistochemistry and TUNEL kits used to evaluate the proliferation and apoptosis of the I/R model. The results demonstrated that USCs could be detected in the tubular epithelial lining of the rats and administration of USCs was able to improve renal function in the I/R model. The USCs-treated group exhibited significantly reduced serum creatinine and blood urea nitrogen levels, decreased tubular injury score, an increased number of proliferating cells and a decreased number of apoptotic cells. Compared with the control group, the mRNA expression levels of the anti-inflammatory factors interleukin (IL)-10 and transforming growth factor-beta 1 were significantly upregulated, whereas the expression levels of the proinflammatory factors interferon-gamma and IL-1 beta were significantly reduced in the USCs-treated group. These findings suggested that USCs may promote kidney repair and improve function following ischemic AKI, which may be useful in treating human kidney disease.
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