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.
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
mechanism_onlyCited 342×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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