Futurity · Health

New Brain Region Identified as Key to Cold Response and Metabolism Regulation

A recent study has pinpointed a previously understudied brain region, the dorsal posterior periventricular hypothalamic nucleus (dPVp), as a central regulator of the body's response to cold temperatures and metabolic health.

Scientists knew the body increases energy and appetite in cold to generate heat, but the brain's coordination was unclear.

Researchers identified a novel brain circuit within the dPVp that translates cold into a coordinated metabolic response.

This marks the first function for the dPVp, a hypothalamus region with minimal research. It acts as a cold-response center, stimulating appetite and heat production when body temperature falls.

Experiments confirmed the dPVp's role in coordinating behavioral and metabolic adjustments to cold exposure.

Activating dPVp neurons increased food intake and energy expenditure, potentially aiding weight management and glucose regulation. A protein, KCNK2 (TREK-1), acts as a "cold sensor" within these neurons.

This sensor offers a potential target for drug therapies mimicking cold exposure's metabolic benefits, an alternative to dieting for metabolic health.

Findings could impact treatments for obesity and type 2 diabetes by targeting this pathway to enhance energy utilization.

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