Journal
JOURNAL OF THE SOCIETY FOR GYNECOLOGIC INVESTIGATION
Volume 12, Issue 6, Pages 433-439Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jsgi.2005.04.006
Keywords
adiponectin; preeclampsia; pregnancy; metabolic syndrome; hypertension
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OBJECTIVE: Adiponectin is an adipocyte-derived protein with profound insulin-sensitizing, anti-inflammatory, and antiatherogenic effects. Surprisingly, recent evidence suggests that adiponectin concentrations are increased during preeclampsia, which is characterized by insulin resistance. We studied whether serum adiponectin is related to insulin sensitivity in preeclamptic and normotensive pregnant women. METHODS: We measured serum adiponectin concentrations and insulin sensitivity (intravenous glucose tolerance test/minimal model) in 22 women with precclampsia and 15 normotensive controls with similar prc-pregnancy body mass index (BMI) (range 18-29 kg/m(2)) between 29 and 39 weeks of gestation. Fourteen cases and 10 controls were also studied 6-22 weeks after delivery. No subject had gestational diabetes. RESULTS: During pregnancy, the mean adiponectin concentration in preeclamptic women was 10.3 (SD 4.2) mu g/mL as compared to 7.9 (SD 2.9) mu g/mL in normotensive controls (95% confidence interval [0] for diflerence 0.1-5.3 mu g/mL; P =. 04). Adiponectin concentrations were unrelated to insulin sensitivity both in precclamptic and normotensive subjects; insulin sensitivity was decreased in preeclampsia (P =. 0 1). After delivery, mean adiponectin concentration was lower than during pregnancy: 7.4 (SD 3.0) mu g/mL in preeclamptic subjects (P =. 001) and 7. 1 (SD 1.6)mu g/mL in normotensive controls (P =.06) and similar in cases and controls (95% CI for difference -1.7-2.3 mu g/mL, P =. 7). CONCLUSIONS: Despite their reduced insulin sensitivity, preeclamptic women have higher adiponectin concentrations than normotensive pregnant women. These concentrations arc unrelated to insulin sensitivity. After pregnancy, the difference in adiponectin concentrations is no longer present between the two groups. These findirgs are consistent with a role of adiponectin in the pathophysiology of preeclampsia.
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