Hormonal
The FOXN3 rs8004664 hyperglycemic risk allele (A) is associated with reduced insulin sensitivity (lower glucose disposal rate) specifically in women, but not in men or the combined cohort.
If you are a woman, your genetic makeup regarding the FOXN3 gene may influence how sensitively your body responds to insulin. This doesn't mean you are doomed to insulin resistance, but it suggests that standard approaches might need careful monitoring. Focus on maintaining healthy body composition and activity levels, as these are potent modulators of insulin sensitivity regardless of genotype. Consult a healthcare provider for personalized assessment, especially if you have a family history of diabetes.
Female G|G homozygotes had significantly higher GDR (indicative of increased insulin sensitivity) compared to female carriers of the hyperglycemic-risk allele 'A' (G|G: 9.9±3.0 vs A|A+AG: 7.1±3.0 mg/kgFFM+17.7/min; p=0.04).
Why this rating
Observational cross-sectional study with a small subgroup sample size (n=6 for G|G women) and potential outlier influence, though using the gold-standard clamp method.
Source
FOXN3 hyperglycemic risk allele and insulin sensitivity in humans
Melissa L. Erickson et al. · BMJ Open Diabetes Research & Care · 2019
DOI 10.1136/bmjdrc-2019-000688
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