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Transplantation of stromal-derived factor 1 alpha and basic fibroblast growth factor primed insulin-producing cells reverses hyperglycaemia in diabetic rats

机译:基质衍生因子1α和碱性成纤维细胞生长因子的移植灌注胰岛素的产物细胞在糖尿病大鼠中逆转高血糖症

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摘要

The defective insulin production is associated with severely reduced islet cell mass leading to diabetes. Growth factors preconditioned stem cells have arisen as an effective therapy to treat many diseases including diabetes. The current study was designed to assess the effect of pretreatment of ASCs derived IPCs with combination of stromal cell derived factor 1 alpha (SDF1 alpha) and basic fibroblast growth factor (bFGF) in improving glucose tolerance in streptozotocin induced diabetic rats. The results showed maximally significant reduction in hyperglycaemia and fibrosis, while up-regulation of survival and pancreas-specific genes, insulin levels and homing of transplanted cells in SDF-1 alpha+bFGF IPCs transplanted rats as compared with other groups. Moreover, increased expression of insulin, glucagon and Glut-2 in pancreas of the SDF-1 alpha+bFGF IPCs transplanted group indicated more regeneration of pancreas. Hence, the use of IPCs preconditioned with SDF-1 alpha+bFGF would be more effective for treating diabetes.
机译:缺陷的胰岛素产生与导致糖尿病的严重降低的胰岛细胞肿块有关。生长因子预处理干细胞已作为治疗包括糖尿病在内的许多疾病的有效疗法。目前的研究旨在评估ASCS衍生IPC的预处理与基质细胞衍生因子1α(SDF1α)和碱性成纤维细胞生长因子(BFGF)的组合来改善链脲佐菌素诱导的糖尿病大鼠的葡萄糖耐量。结果表明,高血糖和纤维化的显着降低,同时,与其他基团相比,在SDF-1α+ BFGF IPC中移植大鼠的存活和胰腺特异性基因,胰岛素水平和移植细胞的归巢。此外,在SDF-1α+ BFGF IPC移植组胰腺中增加了胰岛素,胰胰高血糖素和凝乳-2的表达,表明胰腺的再生更加再生。因此,使用SDF-1α+ BFGF预处理的IPC对治疗糖尿病更有效。

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