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Diabetes mellitus is associated with an increased expression of resistin in human pancreatic islet cells

机译:糖尿病与人胰岛细胞中抵抗素的表达增加有关

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The pattern of distribution of resistin in the pancreas of diabetic patients was investigated to determine whether diabetes mellitus influences the expression of resistin. Pancreatic tissue samples retrieved, during pancreatectomy for pancreatic cancer, from cancer patients with and without type 2 diabetes were processed for immunohistochemistry. The pancreatic tissue samples were retrieved from non-cancerous and clear margins. An immunofluorescence technique was used to examine the expression of resistin and its co-localization with insulin and glucagon in pancreatic islet cells. Resistin was observed in many cells located in the central region of pancreatic islet. The expression of resistin increased significantly (p < 0.0001) in pancreatic islet cells of type 2 diabetic patients compared to control. Resistin co-localized with insulin but not glucagon in pancreatic islet cells of both normal and diabetic patients. However, the degree of co-localization was higher in pancreata of diabetic patients compared to normal. The number of human pancreatic islet cells expressing resistin increased significantly after the onset of type 2 diabetes. In conclusion, resistin may play a role in the regulation of pancreatic β-cell function.
机译:研究了糖尿病患者胰脏中抵抗素的分布模式,以确定糖尿病是否影响抵抗素的表达。在进行胰腺癌胰腺切除术期间从患有和不患有2型糖尿病的癌症患者中回收的胰腺组织样品进行了免疫组织化学处理。胰腺组织样本取自非癌性和透明边缘。免疫荧光技术用于检查胰岛细胞中抵抗素的表达及其与胰岛素和胰高血糖素的共定位。在胰岛中央区域的许多细胞中都观察到了抵抗素。与对照组相比,在2型糖尿病患者的胰岛细胞中,抵抗素的表达显着增加(p <0.0001)。在正常和糖尿病患者的胰岛细胞中,抵抗素与胰岛素共定位但不与胰高血糖素共定位。但是,与正常人相比,糖尿病患者胰腺的共定位程度更高。 2型糖尿病发作后,表达抵抗素的人胰岛细胞数量显着增加。总之,抵抗素可能在胰腺β细胞功能的调节中发挥作用。

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