Research
Hormonal
Genetic deficiency of STAT6 leads to increased fatty acid oxidation and resistance to diet-induced obesity, but results in insulin resistance and glucose intolerance due to hepatic steatosis.
This finding highlights a trade-off in metabolic regulation: blocking the STAT6 pathway prevents fat gain but harms insulin sensitivity. It illustrates that 'lean' does not always mean 'metabolically healthy,' as ectopic fat storage in the liver can still cause insulin resistance.
ModerateQualifiesMEDIUM confidence
Disruption of signal transducer and activator of transcription 6 (STAT6) decreases insulin action and enhances a peroxisome proliferator-activated receptor α (PPARα) driven program of oxidative metabolism.
Why this rating
Based on murine genetic models (STAT6-null mice).
Source
IL-4/STAT6 immune axis regulates peripheral nutrient metabolism and insulin sensitivity
Roberto R. Ricardo-González et al. · Proceedings of the National Academy of Sciences · 2010
DOI 10.1073/pnas.1009152108
mechanism_onlyCited 248×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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