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首页> 外文期刊>PLoS One >Human iPS Cell-Derived Insulin Producing Cells Form Vascularized Organoids under the Kidney Capsules of Diabetic Mice
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Human iPS Cell-Derived Insulin Producing Cells Form Vascularized Organoids under the Kidney Capsules of Diabetic Mice

机译:人iPS细胞衍生的胰岛素产生细胞在糖尿病小鼠的肾脏胶囊下形成血管化的类器官

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Type 1 diabetes (T1D) is caused by autoimmune disease that leads to the destruction of pancreatic β-cells. Transplantation of cadaveric pancreatic organs or pancreatic islets can restore normal physiology. However, there is a chronic shortage of cadaveric organs, limiting the treatment of the majority of patients on the pancreas transplantation waiting list. Here, we hypothesized that human iPS cells can be directly differentiated into insulin producing cells (IPCs) capable of secreting insulin. Using a series of pancreatic growth factors, we successfully generated iPS cells derived IPCs. Furthermore, to investigate the capability of these cells to secrete insulin in vivo, the differentiated cells were transplanted under the kidney capsules of diabetic immunodeficient mice. Serum glucose levels gradually declined to either normal or near normal levels over 150 days, suggesting that the IPCs were secreting insulin. In addition, using MRI, a 3D organoid appeared as a white patch on the transplanted kidneys but not on the control kidneys. These organoids showed neo-vascularization and stained positive for insulin and glucagon. All together, these data show that a pancreatic organ can be created in vivo providing evidence that iPS cells might be a novel option for the treatment of T1D.
机译:1型糖尿病(T1D)是由自身免疫性疾病引起的,该疾病导致胰腺β细胞的破坏。尸体胰脏器官或胰岛的移植可以恢复正常生理。然而,尸体器官长期短缺,限制了胰腺移植等待名单上大多数患者的治疗。在这里,我们假设人iPS细胞可以直接分化为能够分泌胰岛素的胰岛素产生细胞(IPC)。使用一系列胰腺生长因子,我们成功地产生了iPS细胞衍生的IPC。此外,为了研究这些细胞在体内分泌胰岛素的能力,将分化的细胞移植到糖尿病免疫缺陷小鼠的肾囊下。在150天内,血清葡萄糖水平逐渐下降至正常水平或接近正常水平,这表明IPC正在分泌胰岛素。此外,使用MRI,3D类器官在移植的肾脏上显示为白色斑块,但在对照肾脏上却没有。这些类器官显示出新血管形成,并且对胰岛素和胰高血糖素染色呈阳性。总之,这些数据表明可以在体内创建胰腺器官,从而提供证据证明iPS细胞可能是治疗T1D的新选择。

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