[Effects of adipose-derived stem cells on renal injury in burn mice with sepsis].

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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Abstract (original English)

To investigate the effect of adipose-derived stem cells (ADSC) on renal injury in mice with burn injury and sepsis and its underlying mechanism. (1) Adipose tissue was collected from both inguinal regions of 5 C57BL/6J mice to isolate, culture and purify ADSC through enzyme digestion, density gradient centrifugation, and adherence method. Cells of the third passage were used in the experiment. The morphologic change in cells was observed and the growth curve of cells was determined. The expression of cell surface antigen phenotype was analyzed by flow cytometry, and the cells were identified by adipogenic and osteogenic differentiation. (2) Another 37 C57BL/6J mice were divided into normal control group (n = 5), saline group (n = 16), and group ADSC (n = 16) according to the random number table. The mice in saline group and group ADSC were injected with Pseudomonas aeruginosa after being subjected to 15% TBSA full-thickness burn on the back to reproduce septic burn model. Then the mice were injected with saline and ADSC through tail vein respectively. At post burn hour (PBH) 12, 24, 48, and 72, the pathological change in kidney tissue was observed, the levels of blood urea nitrogen and serum creatinine were determined, and the levels of TNF-α, IL-12, IL-10, and cyclooxygenase-2 (COX2) mRNA were determined with real-time fluorescence quantitative PCR in both groups. Above-mentio

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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