|
|
Article: The effects of oral arginine on neuroautonomic parameters in healthy subjects.
- Article from:
- Journal of Applied Research
- Article date:
- September 1, 2006
- Author:
CopyrightCOPYRIGHT 2006 Therapeutic Solutions LLC. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
ABSTRACT
L-arginine is an essential amino acid that exerts both peripheral and central nervous system effects. Although it has been used as a growth hormone releasing agent, this amino acid also provokes significant blood pressure and heart rate changes in all patients tested. This study assessed the changes induced by the oral administration of this amino acid on the peripheral autonomic nervous system in 52 subjects (26 L-arginine, 26 placebo). The levels of the following circulating neurotransmitters were measured before and after a small oral dose (50 mg) of L-arginine: noradrenaline (NA), adrenaline (Ad), dopamine (DA), plasma serotonin (f-5HT), platelet ...