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Sympathetic overdrive in obesity involves purinergic hyperactivity in the resistance vasculature

Haddock, Rebecca; Hill, Caryl

Description

While a close correlation exists in obese humans between sympathetic, adrenergic hyperactivity and structural and functional organ damage, a role for the co-transmitter, ATP, in vascular function remains unexplored. We therefore studied sympathetic nerve-mediated responses of pressurised small mesenteric arteries from control and obese rats. Diet-induced obesity significantly increased the amplitude of vasoconstriction to transmural nerve stimulation (1-10 Hz; P < 0.05). At 1 and 5 Hz, both...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
URI: http://hdl.handle.net/1885/31262
Source: Journal of Physiology
DOI: 10.1113/jphysiol.2011.207944

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