The vasodilatory actions of insulin on resistance and terminal arterioles and their impact on muscle glucose uptake

Lucy H. Clerk, Michelle A. Vincent, Jonathan Lindner, Michael G. Clark, Stephen Rattigan, Eugene J. Barrett

Research output: Contribution to journalArticle

81 Citations (Scopus)

Abstract

Whether a discrete vascular action of insulin in skeletal muscle integrally participates in insulin-mediated glucose disposal has been extensively examined but remains a contentious issue. Here, we review some of the data both supporting and questioning the role of insulin-mediated increases in limb blood flow in glucose metabolism. We advance the hypothesis that controversy has arisen, at least in part, from a failure to recognize that insulin exerts at least three separate actions on the peripheral vasculature, each with its own characteristic dose and time responsiveness. We summarize how, viewed in this manner, certain points of contention can be resolved. We also advance the hypothesis that an action on the precapillary arteriole may play the dominant role in mediating perfusion-dependent effects of insulin on glucose metabolism in muscle.

Original languageEnglish (US)
Pages (from-to)3-12
Number of pages10
JournalDiabetes/Metabolism Research and Reviews
Volume20
Issue number1
DOIs
StatePublished - Jan 2004
Externally publishedYes

Fingerprint

Arterioles
Muscle
Insulin Resistance
Insulin
Glucose
Muscles
Metabolism
Blood Vessels
Skeletal Muscle
Blood
Extremities
Perfusion

Keywords

  • 1-methylxanthine
  • Capillary recruitment
  • Contrast ultrasound
  • Insulin sensitivity
  • Muscle blood flow
  • Nitric oxide synthase

ASJC Scopus subject areas

  • Endocrinology
  • Biochemistry
  • Endocrinology, Diabetes and Metabolism

Cite this

The vasodilatory actions of insulin on resistance and terminal arterioles and their impact on muscle glucose uptake. / Clerk, Lucy H.; Vincent, Michelle A.; Lindner, Jonathan; Clark, Michael G.; Rattigan, Stephen; Barrett, Eugene J.

In: Diabetes/Metabolism Research and Reviews, Vol. 20, No. 1, 01.2004, p. 3-12.

Research output: Contribution to journalArticle

Clerk, Lucy H. ; Vincent, Michelle A. ; Lindner, Jonathan ; Clark, Michael G. ; Rattigan, Stephen ; Barrett, Eugene J. / The vasodilatory actions of insulin on resistance and terminal arterioles and their impact on muscle glucose uptake. In: Diabetes/Metabolism Research and Reviews. 2004 ; Vol. 20, No. 1. pp. 3-12.
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