胰島素不僅能控製血糖,它對大腦的活動也具有重要的意義。它能透過血腦屏障,在大腦中參與維持正常情感與認知能力。一旦胰島素介入的信號通道發生紊亂,可能導致多種神經退行性疾病---癡呆症(Alzheimer's disease)、心理障礙甚至精神分裂症。
via: http://www.the-scientist.com/?articles.view/articleNo/33591/title/Insulin-s-Role-in-Body-and-Brain/
![](http://www.the-scientist.com/images/December2012/Insulin_infograph.jpg)
胰島素對血糖的調控:
![](/upload/album/4f/ab/e0/ebca72421151ZdWdK3y1.jpg)
Insulin Receptor的作用
http://en.wikipedia.org/wiki/Insulin_receptor
![](/upload/album/5c/64/1c/b8058e040011y0cunKZH.jpg)