Research

Hormonal

Knocking down PKC-θ specifically in the hypothalamic arcuate nucleus protects against diet-induced obesity and improves insulin sensitivity in mice fed a high-fat, palmitic acid-enriched diet.

This finding suggests that the specific activation of PKC-θ in the brain is a key driver of obesity from high-fat diets. While not a direct human treatment, it highlights that targeting this specific pathway could potentially mitigate the metabolic damage of saturated fats.

GoodSupportsHIGH confidence
Arcuate-specific knockdown of PKC-θ attenuated diet-induced obesity and improved insulin signaling.
Stephen C. Benoit et al. · Journal of Clinical Investigation · 2009

Why this rating

Strong causal evidence via genetic knockdown in rodents, showing reversal of obesity and insulin resistance.

Source

Palmitic acid mediates hypothalamic insulin resistance by altering PKC-θ subcellular localization in rodents

Stephen C. Benoit et al. · Journal of Clinical Investigation · 2009

DOI 10.1172/jci36714

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DOI resolved against Crossref · corpus check 2026-06-10

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