Androgen and growth hormone-STAT5b axis role in sexual dimorphism of NAFLD

MaleEffect(s)FemaleEffect(s)
↓ Levels of androgenAssociated with insulin resistance, T2DM, obesity, and NAFLD↑ Levels of androgenAssociated with the features of metabolic syndrome, NAFLD, and severe fibrosis
STAT5b-knockout male micePostnatal growth-retardation;
obesity;
↑ hepatic steatosis;
↑ PPARγ;
enhance insulin sensitivity to further increase lipogenesis
STAT5b-knockout female miceNear-normal postnatal growth
STAT5b inactivity in humanObesity--------
Testosterone deficiency↓ STAT5b--------

↑ increased; ↓ decreased; ---- sex-balanced studies not available