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Paradoxically low levels of total and HMW adiponectin in relation to metabolic parameters in a Tongan population

Abstract

Aim. Adiponectin has demonstrated anti-inflammatory and insulin sensitising properties, and low circulating levels may be an important risk factor for diabetes. We examined levels of adiponectin and its insulin-sensitising HMW isoform and their relationship with metabolic parameters in Tongans, a population prone to type II diabetes. Methods. Adiponectin and its HMW isoform were quantitated by Elisa in specimens from a randomly recruited, multistage cluster population survey of Tongans and from a group of Caucasians. Anthropometric, clinical, and biochemical data were collected on each subject. Results. Both male and female Tongans had lower levels of total and HMW adiponectin than their Caucasian counterparts. Levels of total and HMW adiponectin were higher in females than males in each group. Adiponectin levels were inversely related to BMI, weight, and HOMA in Tongan males and females, as well as to dyslipidemia in both sexes. Conclusion. Tongans had lower levels of both total and HMW adiponectin than Caucasians population, even after matching Tongans to their Caucasian counterparts based on BMI, age, and sex. These findings may reflect differences in body composition between the populations not adequately assessed by BMI, lifestyle factors, or a genetic variant likely in a genetically homogenous population.

Type Journal
ISBN 2090-4630 (Print) 2090-4630 (Linking)
Authors Peake, P.; Colagiuri, S.; Campbell, L. V. ; Shen, Y.;
Garvan Authors Prof Lesley Campbell , Yu Shen Yin
Publisher Name ISRN Endocrinol
Published Date 2013-09-01 00:00:00
Published Volume 2013
Published Pages 873507
URL http://www.ncbi.nlm.nih.gov/pubmed/23936666
Status Published In-print
OpenAccess Link https://publications.gimr.garvan.org.au/download.php?12005_12592/13_Peake_ISRNEndo_.pdf