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Obesity, insulin resistance, and capillary recruitment

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Rattigan, S and Bussey, CT and Dwyer, RM and Richards, SM (2007) Obesity, insulin resistance, and capillary recruitment. Microcirculation, 14. pp. 299-309. ISSN 1073-9688

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Abstract

Insulin has vascular actions within the skeletal muscle microcirculation (capillary recruitment) that enhance its own access and that of glucose to the muscle cells. Obesity and insulin resistance are associated with dysregulated vascular function within muscle and a loss of insulin-mediated capillary recruitment. Furthermore, agents that impair insulin's vascular actions to recruit capillaries lead to acute insulin resistance in terms of muscle glucose uptake. Together these data suggest a strong connection between the loss of insulin-mediated capillary recruitment and the development of insulin resistance. This review examines the mechanisms involved in insulin-mediated capillary recruitment and the vascular defects associated with obesity and insulin resistance that may impair the capillary recruiting process. Understanding the mechanisms of insulin-mediated capillary recruitment and its impairment may lead to new treatment avenues to prevent the progression of obesity to diabetes.

Item Type: Article
Keywords: adipokines, diabetes, insulin action, microvascular, skeletal muscle
Journal or Publication Title: Microcirculation
Page Range: pp. 299-309
ISSN: 1073-9688
Identification Number - DOI: 10.1080/10739680701282796
Additional Information:

The definitive version is available online at
http://www.informaworld.com/smpp/content?

Date Deposited: 28 Jul 2008 04:53
Last Modified: 18 Nov 2014 03:47
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