Article

Difference in the Ratio of High-Molecular Weight (HMW) to Total Adiponectin and HMW Adiponectin in Late Postmenopausal Women.

Department of Obstetrics and Gynecology, Institute of Health Biosciences, The University of Tokushima Graduate School.
Journal of endocrinological investigation (Impact Factor: 1.65). 06/2013; DOI: 10.3275/9001
Source: PubMed

ABSTRACT Objective: High-molecular weight (HMW) isoform level and HMW ratio have been shown to be better predictors of insulin sensitivity and metabolic syndrome than total adiponectin level. We examined the changes in circulating levels of HMW adiponectin and ratios of HMW to total adiponectin in women during the menopausal transition. Methods: We conducted a cross-sectional study in 217 healthy women and divided them into 4 stages: 58 women in premenopausal, 69 women in perimenpausal, 62 women in early postmenopausal and 28 women in late postmenopausal women. Serum levels of total adiponectin and HMW adiponectin were measured by an enzyme-linked immunosorbent assay. Results: In late postmenopausal women, HMW adiponectin level was significantly higher than that in perimenopausal women and the HMW to total adiponectin ratio was significantly lower than that in early postmenopausal women. In perimenopausal women, HMW adiponectin level was significantly lower than that in premenopausal women and HMW to total adiponectin ratio was significantly lower than the ratios in premenopausal and early postmenopausal women. Conclusion: The ratio of HMW to total adiponectin is low in late postmenopausal women, though both levels of total and HMW adiponectin were high after menopause in our cross-sectional study.

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