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J Reprod Immunol. 2007 Feb;73(1):60-5. Epub 2006 Jul 24.

Selective increase in high molecular weight adiponectin concentration in serum of women with preeclampsia.

Author information

1
Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.

Abstract

Total adiponectin concentrations have been shown to increase in serum of preeclamptic women. However, variance of concentrations of different isoforms has not been studied, despite the emerging notion that high, medium and low molecular weight adiponectin exert different functions. We have determined serum concentrations of each adiponectin isoform using a newly developed enzyme immunosorbent assay. High molecular weight (HMW) adiponectin concentrations were significantly higher in women with preeclampsia (n=14; median, 11.2 microg/ml; interquartile range, 9.2-15.8) compared to normal pregnant women (n=14; 6.8 microg/ml, 5.4-10.7; P=0.04). In contrast, medium molecular weight and low molecular weight adiponectin concentrations were substantially equal between the groups. The ratio of HMW adiponectin to total adiponectin was also markedly higher in preeclamptic women (52.3%, 49.5-58.7) than control women (43.0%; 39.8-48.0; P=0.004). Taken together with other reports our findings imply a physiological feedback response to minimize endothelial damage in preeclamptic women.

PMID:
16860876
DOI:
10.1016/j.jri.2006.05.004
[Indexed for MEDLINE]

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