It is believed that the hypothalamus is the regulating center for blood glucose levels, but how chronic stress leads to hyperglycemia is not known. In this experiment, we use the chronic immobilization stressed rat as a model, and found that only rats with increased expression of GAD65 in the amygdala have an elevated level of blood glucose. Considering there are fiber tracks between the amygdala and hypothalamus, including GABAergic projections, this result suggests that the changes in GAD65 expression in the amygdala may correlate with the changes in blood glucose levels, and point to the importance of the the amygdala in blood glucose regulation.
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Li, XJ., Zhang, W., Liang, B. et al. Up-expression of GAD65 in the Amygdala of the Rat Model of Chroric Immobilization Stress with Elevated Blood Glucose. Nat Prec (2011). https://doi.org/10.1038/npre.2011.5885.1
- Immobilization Stress
- blood glucose