We measured plasma concentrations, adipose tissue and placental mRNA expression of hepatokines fetuin A, fetuin B and fibroblast growth factor 21 (FGF21) in 12 healthy pregnant women (P group), 12 pregnant women with gestational diabetes (GDM) and 10 healthy non-pregnant women (N group) to explore their potential role in the etiopathogenesis of GDM. GDM and P group had comparable BMI, C-reactive protein (CRP) and glycated hemoglobin levels while IL-10 and TNF-alpha levels were higher in GDM group. Fetuin A and fetuin B levels were higher in pregnancy as compared to N group and decreased after delivery with no apparent influence of GDM. In contrast, the pattern of changes of circulating FGF21 levels differed between GDM and P group. Fetuin A concentrations positively correlated with CRP, TNF-alpha mRNA expression in adipose tissue and IL-6 mRNA expression in placenta. Fetuin B positively correlated with CRP. FGF21 levels correlated positively with IFN-gamma mRNA in adipose tissue and inversely with IL-8 mRNA in the placenta. Taken together, fetuin A and fetuin B levels were increased during pregnancy regardless of the presence of GDM. In contrast, FGF21 patterns differed between healthy pregnant women and GDM patients suggesting a possible role of this hepatokine in the etiopathogenesis of GDM.

Gynecology and Obstetrics Department 1st Faculty of Medicine Charles University and General University Hospital Prague Czech Republic Institute for Clinical and Experimental Medicine Prague Czech Republic

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