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Review
. 2013 Aug;62(8):2629-34.
doi: 10.2337/db12-1605.

Hypothalamic inflammation: marker or mechanism of obesity pathogenesis?

Joshua P Thaler  1 , Stephan J Guyenet, Mauricio D Dorfman, Brent E Wisse, Michael W Schwartz
Affiliations
Review

Hypothalamic inflammation: marker or mechanism of obesity pathogenesis?

Joshua P Thaler et al. Diabetes. 2013 Aug.
No abstract available

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Figures

FIG. 1.
FIG. 1.
Model depicting the hypothalamic response to an HFD in animals predisposed to DIO. A: AgRP and POMC neurons are integral components of energy balance neurocircuitry located in the ARC nucleus, situated adjacent to the third cerebral ventricle (3V) along the floor of the hypothalamus. Activity of these neurons is sensitive to input from circulating hormones (e.g., leptin and insulin) and nutrients, and it plays an important role to establish the defended level of body weight. B: Recent evidence suggests that during HFD feeding, these neurons may be injured via unknown mechanisms, and that this injury triggers activation of local glial cell populations (astrocytes and microglia). This neuron injury and reactive gliosis can in turn impair homeostatic control of body fat stores, leading to increased body weight.
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