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The adipocyte-secreted protein Acrp30 enhances hepatic insulin action

The adipocyte-secreted protein Acrp30 enhances hepatic insulin action Acrp30 is a circulating protein synthesized in adipose tissue. A single injection in mice of purified recombinant Acrp30 leads to a 2–3-fold elevation in circulating Acrp30 levels, which triggers a transient decrease in basal glucose levels. Similar treatment in ob/ob, NOD (non-obese diabetic) or streptozotocin-treated mice transiently abolishes hyperglycemia. This effect on glucose is not associated with an increase in insulin levels. Moreover, in isolated hepatocytes, Acrp30 increases the ability of sub-physiological levels of insulin to suppress glucose production. We thus propose that Acrp30 is a potent insulin enhancer linking adipose tissue and whole-body glucose metabolism. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Medicine Springer Journals

The adipocyte-secreted protein Acrp30 enhances hepatic insulin action

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References (38)

Publisher
Springer Journals
Copyright
Copyright © 2001 by Nature Publishing Group
Subject
Biomedicine; Biomedicine, general; Cancer Research; Metabolic Diseases; Infectious Diseases; Molecular Medicine; Neurosciences
ISSN
1078-8956
eISSN
1546-170X
DOI
10.1038/90992
Publisher site
See Article on Publisher Site

Abstract

Acrp30 is a circulating protein synthesized in adipose tissue. A single injection in mice of purified recombinant Acrp30 leads to a 2–3-fold elevation in circulating Acrp30 levels, which triggers a transient decrease in basal glucose levels. Similar treatment in ob/ob, NOD (non-obese diabetic) or streptozotocin-treated mice transiently abolishes hyperglycemia. This effect on glucose is not associated with an increase in insulin levels. Moreover, in isolated hepatocytes, Acrp30 increases the ability of sub-physiological levels of insulin to suppress glucose production. We thus propose that Acrp30 is a potent insulin enhancer linking adipose tissue and whole-body glucose metabolism.

Journal

Nature MedicineSpringer Journals

Published: Aug 1, 2001

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