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- Title
Effects of Adiponectin on the Renal Sympathetic Nerve Activity and Blood Pressure in Rats.
- Authors
Tanida, Mamoru; Shen, Jiao; Horii, Yuko; Matsuda, Morihiro; Kihara, Shinji; Funahashi, Toru; Shimomura, Iichiro; Sawai, Hajime; Fukuda, Yutaka; Matsuzawa, Yuji; Nagai, Katsuya
- Abstract
Adiponectin is an adipocytokine that modulates energy homeostasis and glucose metabolism. Here, we examined the effects of acute intravenous (iv) and lateral cerebral ventricular (LCV) injections of adiponectin on the renal sympathetic nerve activity (RSNA) and blood pressure (b/p) in urethane-anesthetized rats. Both iv and LCV injections of adiponectin induced dose-dependent suppressions of RSNA and b/p. Moreover, we found that bilateral lesions of the hypothalamic suprachiasmatic nucleus (SCN) abolished the effects of iv injection of adiponectin on RSNA and b/p. These findings suggest that adiponectin decreases the RSNA and b/p in a dose-dependent manner and that the SCN is implicated in mechanism of adiponectin actions on RSNA and b/p. These findings also suggest that the hypotensive-action activity of adiponectin is realized, at least partially, via changes in activities of autonomic nerves activity.
- Publication
Experimental Biology & Medicine, 2007, Vol 232, Issue 3, p390
- ISSN
1535-3702
- Publication type
Article
- DOI
10.3181/00379727-232-2320390