Role of Brain Stress in Obesity, Type 2 Diabetes Development

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Northerner

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Joslin researchers have gained new insights into how obesity and type 2 diabetes can create a stress response in the brain, especially in the hypothalamus (the brain region that regulates appetite and energy production), that may contribute to altering metabolism throughout the body. The findings are reported in the October issue of the Journal of Clinical Investigation.

The researchers investigated the role of the molecular chaperone heat shock protein 60 (Hsp60) in hypothalamic insulin resistance and mitochondrial dysfunction in type 2 diabetes. Hsp60 is a stress response protein that protects the mitochondria, the "power plants" of the cell that produce energy.

They found that in type 2 diabetes and obesity, the level of Hsp60 goes down, making mitochondria less efficient and leading to insulin resistance in the brain and altered metabolism throughout the body.

http://www.sciencedaily.com/releases/2013/10/131001123553.htm
 
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