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Auton Neurosci. 2002 May 31;97(2):99-102.

Effects of L-carnosine on renal sympathetic nerve activity and DOCA-salt hypertension in rats.

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Niigata University School of Medicine, Asahimachidoori, Japan.


The effects of L-carnosine (beta-alanyl-L-histidine) on the neural activity of the renal sympathetic nerve and on DOCA-salt hypertension in rats were examined. Intravenous injection of 1 microg L-carnosine inhibited renal sympathetic nerve activity in urethane-anesthetized animals, and a diet containing 0.0001% or 0.001% L-carnosine decreased blood pressure elevation in DOCA-salt hypertensive rats. Since L-carnosine is mainly synthesized in the skeletal muscles of mammals, it is not unreasonable to postulate that L-carnosine is an endogenous factor controlling the blood pressure in a manner possibly antagonistic to the obesity-associated hypertensive effect of leptin.

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