Neuronal SIRT1 regulates endocrine and behavioral responses to calorie restriction.

  title={Neuronal SIRT1 regulates endocrine and behavioral responses to calorie restriction.},
  author={Dena E. Cohen and Andrea M Supinski and Michael S. Bonkowski and Gizem Donmez and Leonard P. Guarente},
  journal={Genes & development},
  volume={23 24},
Mammalian life span can be extended by both calorie restriction (CR) and mutations that diminish somatotropic signaling. Sirt1 is a mediator of many effects of CR in mammals, but any role in controlling somatotropic signaling has not been shown. Since the somatotropic axis is controlled by the brain, we created mice lacking Sirt1 specifically in the brain and examined the impacts of this manipulation on somatotropic signaling and the CR response. These mutant mice displayed defects in… CONTINUE READING

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