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Abstract Title:

Relationship between vitamin D and gestational diabetes in overweight or obese pregnant women may be mediated by adiponectin.

Abstract Source:

Mol Nutr Food Res. 2017 Jul 25. Epub 2017 Jul 25. PMID: 28741856

Abstract Author(s):

Aya Mousa, Sally K Abell, Soulmaz Shorakae, Cheryce L Harrison, Negar Naderpoor, Danielle Hiam, Alba Moreno-Asso, Nigel K Stepto, Helena J Teede, Barbora de Courten

Article Affiliation:

Aya Mousa

Abstract:

SCOPE: Maternal vitamin D deficiency has been implicated in adverse pregnancy outcomes. However, the association between vitamin D and inflammation, particularly adipokines, remains unexplored in pregnancy.

METHODS AND RESULTS: In 102 overweight or obese pregnant women at high-risk of gestational diabetes mellitus (GDM), we investigated relationships between maternal 25-hydroxyvitamin D (25(OH)D) concentrations at 12-15 wk gestation (baseline) and serum lipids, inflammatory markers, novel adipokines (omentin-1, visfatin, high molecular weight (HMW) adiponectin), and subsequent pregnancy outcomes (GDM, preeclampsia, preterm birth [PTB]). After adjustment for maternal factors (age, BMI, parity, ethnicity, and smoking status), baseline 25(OH)D concentrations were inversely associated with total cholesterol and triglycerides, and positively associated with HMW-adiponectin. Higher baseline 25(OH)D concentrations were associated with decreased fasting and 1-h post-OGTT glucose and reduced risk of GDM at 26-28 wk, as well as with longer gestation and reduced risk of PTB upon additional adjustment for caesarean section. Adding HMW-adiponectin to the multivariable models attenuated most associations, and HMW-adiponectin was a significant predictor in the models.

CONCLUSION: Our findings suggest that lower maternal 25(OH)D concentrations in overweight/obese pregnant women at high-risk of GDM are associated with increased cardiometabolic risks during pregnancy and adverse pregnancy outcomes, and that these associations may be mediated by HMW-adiponectin.

Study Type : Human Study

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