Document Detail


N omega-nitro-L-arginine, an inhibitor of nitric oxide synthesis, decreases noradrenaline outflow in rat isolated perfused mesenteric vasculature.
MedLine Citation:
PMID:  8474540     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In the isolated perfused rat mesenteric vasculature with intestine attached N omega-nitro-L-arginine (L-NNA) (30 mumol/l), an inhibitor of nitric oxide (NO) synthesis from L-arginine, did not alter spontaneous noradrenaline outflow. Transmural field stimulation (2-10 Hz) caused a frequency-dependent increase in noradrenaline outflow. The evoked overflow was reduced by L-NNA. L-Arginine (0.3 mmol/l) attenuated the inhibition of noradrenaline overflow by L-NNA. These results suggest that NO increases the release of noradrenaline in rat mesenteric vasculature.
Authors:
R Yamamoto; A Wada; Y Asada; H Niina; A Sumiyoshi
Publication Detail:
Type:  In Vitro; Journal Article    
Journal Detail:
Title:  Naunyn-Schmiedeberg's archives of pharmacology     Volume:  347     ISSN:  0028-1298     ISO Abbreviation:  Naunyn Schmiedebergs Arch. Pharmacol.     Publication Date:  1993 Feb 
Date Detail:
Created Date:  1993-05-20     Completed Date:  1993-05-20     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0326264     Medline TA:  Naunyn Schmiedebergs Arch Pharmacol     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  238-40     Citation Subset:  IM    
Affiliation:
Department of Pharmacology, Miyazaki Medical College, Japan.
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MeSH Terms
Descriptor/Qualifier:
Animals
Arginine / analogs & derivatives*,  pharmacology
Atropine / pharmacology
Electric Stimulation
Guanethidine / pharmacology
Intestines / blood supply,  drug effects,  physiology
Male
Mesenteric Arteries / drug effects*,  metabolism*,  secretion
Nitric Oxide / metabolism*
Nitroarginine
Norepinephrine / metabolism*,  secretion
Perfusion
Rats
Rats, Sprague-Dawley
Chemical
Reg. No./Substance:
10102-43-9/Nitric Oxide; 2149-70-4/Nitroarginine; 51-41-2/Norepinephrine; 51-55-8/Atropine; 55-65-2/Guanethidine; 74-79-3/Arginine

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