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Rapid Publication: Muscle Fiber Type-Specific Defects in Insulin Signal Transduction to Glucose Transport in Diabetic GK Rats

机译:快速发布:糖尿病GK大鼠胰岛素信号传导至葡萄糖转运的肌纤维类型特异性缺陷。

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摘要

To determine whether defects in the insulin signal transduction pathway to glucose transport occur in a muscle fiber type-specific manner, post-receptor insulin-signaling events were assessed in oxidative (soleus) and glycolytic (extensor digitorum longus [EDL]) skeletal muscle from Wistar or diabetic GK rats. In soleus muscle from GK rats, maximal insulin- stimulated (120 nmol/l) glucose transport was signifi- cantly decreased, compared with that of Wistar rats. In EDL muscle from GK rats, maximal insulin-stimulated Glucose transport was normal, while the submaximal Response was reduced compared with that of Wistar Rats.
机译:为了确定胰岛素信号转导途径中是否存在葡萄糖转运,是通过特定于肌纤维类型的方式发生的,评估了来自氧化性(比目鱼)和糖酵解性(指趾长伸肌[EDL])骨骼肌的受体后胰岛素信号事件。 Wistar或糖尿病GK大鼠。与Wistar大鼠相比,在GK大鼠的比目鱼肌中,胰岛素刺激的最大葡萄糖转运(120 nmol / l)明显减少。在来自GK大鼠的EDL肌肉中,最大的胰岛素刺激的葡萄糖转运是正常的,而与Wistar大鼠相比,次最大响应降低了。

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