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Hematopoietic stem cells derived from human umbilical cord ameliorate cisplatin-induced acute renal failure in rats

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Posted September 30, 2014
This news or article is intended for readers with certain scientific or professional knowledge in the field.

Injury to a target organ can be sensed by bone marrow stem cells that migrate to the site of damage, undergo differentiation, and promote structural and functional repair. This remarkable stem cell capacity prompted an investigation of the potential of mesenchymal and hematopoietic stem cells to cure acute renal failure. On the basis of the recent demonstration that hematopoietic stem cells (HSCs) can differentiate into renal cells, the current study tested the hypothesis that HSCs can contribute to the regeneration of renal tubular epithelial cells after renal injury. HSCs from human umbilical cord blood which isolated and purified by magnetic activated cell sorting were transplanted intraperitoneal into acute renal failure (ARF) rats which was established by a single dose of cisplatin 5 mg/kg for five days. The Study was carried on 48 male white albino rats, of average weight 120-150 gm. The animals were divided into 4 groups, Group one Served as control and received normal saline throughout the experiments. Group two (model control) received a single dose of cisplatin. Group three and four male-albino rats with induced ARF received interapritoneally (HSCs) at two week and four week respectively. Injection of a single dose of cisplatin resulted in a significant increase in serum creatinine and urea levels, histo-pathological examination of kidney tissue from cisplatin showed severe nephrotoxicity in which 50-75% of glomeruli and renal tubules exhibited massive degenerative change. Four weeks after HSC transplantation, Serum creatinine and urea nitrogen decreased 3.5 times and 2.1 times as well as HGF, IGF-1, VEGF and P53 using quantitative real-time PCR increased 4.3 times, 3.2, 2.4 and 4.2 times compared to ARF groups, respectively. The proliferation of cell nuclear antigen (PCNA)-positive cells (500.083±35.167) was higher than that in the cisplatin groups (58.612±15.743). In addition, the transplanted umbilical cord hematopoietic stem cells UC-HSCs could reside in local injury sites, leading to the relief of hyperemia and inflammation, but no obvious transdifferentiation into renal-like cells. The results lay the foundation for further study on the potential application of UC-HSCs in human disease and Because of their availability; HSC may be useful for cell replacement therapy of acute renal failure.

Source: PubMed

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