Cited by 293Adipokines, Inflammation, and Metabolic DiseasesAdipose Tissue and MetabolismMetabolism, Diabetes, and Cancer

Circulating adiponectin and expression of adiponectin receptors in human skeletal muscle: Associations with metabolic parameters and insulin resistance and regulation by physical training

Blüher, Matthias, Bullen, John W., Lee, Jennifer H., Kralisch, Susan, Fasshauer, Mathias, Klöting, Nora, Niebauer, Josef, Schön, Michael R. +2 more·2006·The Journal of Clinical Endocrinology & Metabolism

Abstract

CONTEXT: Adiponectin, an adipocyte-secreted hormone, is associated with insulin resistance and the metabolic syndrome. OBJECTIVE: The physiological regulation of circulating adiponectin levels and mRNA expression of its receptors (AdipoR1 and AdipoR2) in skeletal muscle remains to be fully elucidated. DESIGN/PATIENTS: We assessed circulating adiponectin and AdipoR1/R2 mRNA expression in human skeletal muscle in a cross-sectional study of 140 subjects with normal or impaired glucose tolerance or type 2 diabetes. In the context of an interventional study, the same measurements were performed in 60 of these subjects (20/glucose tolerance group) before and after 4 wk of physical training. Finally, we measured these same variables in addition to protein levels of AMP kinase (AMPK), acetyl phosphorylated AMPK, coenzyme A carboxylase, phosphorylated coenzyme A carboxylase, and phosphatidylinositol 3-kinase in muscle before and after 3 h of intensive exercise in a subgroup of five subjects. SETTING: This study was performed at an academic clinical research center. RESULTS: Circulating adiponectin was negatively associated, whereas AdipoR1/R2 mRNA levels were positively associated with obesity, glucose and lipid levels, and insulin resistance. Physical training for 4 wk resulted in increased circulating adiponectin levels and AdipoR1/R2 mRNA expression in muscle. Exercise for 3 h increased AdipoR1/R2 mRNA expression as well as phosphorylation of AMPK and acetyl coenzyme A carboxylase in muscle, but had no effect on circulating adiponectin. CONCLUSIONS: Adiponectin, AdipoR1, and AdipoR2 are all associated with body composition, insulin sensitivity, and metabolic parameters. Physical training increases circulating adiponectin and mRNA expression of its receptors in muscle, which may mediate the improvement of insulin resistance and the metabolic syndrome in response to exercise.

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Crossref · 10.1210/jc.2005-2556

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Authors
Blüher, M., Bullen, J. W., Lee, J. H., Kralisch, S., Fasshauer, M., Klöting, N., Niebauer, J., Schön, M. R., Williams, C. J., & Mantzoros, C. S.
Affiliations
Beth Israel Deaconess Medical Center (US)
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2006-06
Volume
91
Issue
6
Pages
2310-2316
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W2162750087
Cited by
293
References
30
Citations by year
2026: 5 · 2025: 7 · 2024: 4 · 2023: 10 · 2022: 5 · 2021: 7 · 2020: 8 · 2019: 15 · 2018: 7 · 2017: 8 · 2016: 8 · 2015: 19 · 2014: 20 · 2013: 17 · 2012: 23
FWCI
20.75
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Diabetes and Digestive and Kidney Diseases (P30DK057521, R01 DK 58785, R01DK058785, P30DK57521)
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
adiponectin, adiponectin receptors, AdipoR1, AdipoR2, skeletal muscle, insulin resistance, exercise training, physical activity, AMP kinase, acetyl-CoA carboxylase, phosphatidylinositol 3-kinase, type 2 diabetes, glucose tolerance, metabolic syndrome, obesity, body composition
MeSH terms
Adult, Cross-Sectional Studies, Female, Glucose Tolerance Test, Humans, Insulin Resistance, Lipids, Male, Middle Aged, Receptors, Cell Surface, Exercise, Body Mass Index, Muscle, Skeletal, Leptin, Adiponectin, Receptors, Adiponectin

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