数字农科院2.0

Functional Beta-Cell Differentiation Of Small-Tail Han Sheep Pancreatic Mesenchymal Stem Cells And The Therapeutic Potential In Type 1 Diabetic Mice

文献类型： 外文期刊

作者： Zhang, S; Yin, JH; Ji, HB; Wang, Q; Yang, Q; Lai, JH; Sun, YC; Guan, WJ; Chen, PJ

作者机构：

关键词： Differentiation; Insulin-Producing Cells; Mesenchymal Stem Cells; Sheep Pancreas; Transplantation

期刊名称： PANCREAS

ISSN： 0885-3177

年卷期： 2020 年 49 卷 7 期

页码：

收录情况： JCR（2021版）

摘要： Objectives This study aims to investigate the characteristics of sheep pancreatic mesenchymal stem cells (PSCs) and therapeutic potential of differentiated beta-like cells in streptozotocin-induced diabetic mice. Methods Pancreatic mesenchymal stem cells were isolated from 3- to 4-month-old sheep embryos, and their biological characteristics were explored. The function and therapeutic potential of differentiated beta-like insulin-producing cells were also investigated in vitro and in vivo. Differentiated cells were identified through dithizone staining and immunofluorescence staining. Insulin secretion was analyzed using an enzyme-linked immunosorbent assay kit. The preliminary therapeutic potential of induced beta-like cells in diabetic mice was detected by blood glucose and body weight. Results Primary PSCs were isolated and subcultured up to passage 36. Immunofluorescence staining presented PSC-expressed important markers such as Pdx1, Nkx6-1, Ngn3, and Nestin. Primary PSCs could be induced into functional pancreatic beta-like islet cells with a 3-step protocol. The induced beta-like islet cells could ameliorate blood glucose in diabetic mice. Conclusions The method proposed for generating pancreatic islet beta cells provided a preliminary phenotypic investigation of induced cell treatment in diabetic mice, and also laid a foundation in the identification of pharmaceutical targets to treat insulin-dependent diabetes.

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