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Nitric oxide and release of the peptide VIP from parasympathetic terminals in the submandibular gland of the anaesthetized cat.

Författare och institution:
A V Edwards (-); Gunnar Tobin (Institutionen för fysiologi och farmakologi, Avdelningen för farmakologi); Jörgen Ekström (Institutionen för fysiologi och farmakologi, Avdelningen för farmakologi); S R Bloom (-)
Publicerad i:
Experimental physiology, 81 ( 3 ) s. 349-59
Artikel, refereegranskad vetenskaplig
Sammanfattning (abstract):
The role of nitric oxide (NO) in mediating various submandibular responses to stimulation of the parasympathetic innervation has been investigated in anaesthetized cats, in which N omega-nitro-L-arginine methyl ester (L-NAME; 30 mg kg-1 I.A.) was used to block the synthesis of NO. L-NAME significantly reduced the vasodilator response and the flow of saliva, together with the output of salivary protein that occurred during stimulation of the chorda lingual nerve (20 Hz for 1 s at 10 s intervals), without significantly reducing the output of vasoactive intestinal peptide (VIP) from the gland. The results show that NO is implicated not only in the release of VIP, as established previously, but also in mediating its actions following release in the submandibular gland of the cat.
Ämne (baseras på Högskoleverkets indelning av forskningsämnen):
Medicinska grundvetenskaper ->
Farmakologi och toxikologi ->
Animals, Arginine, pharmacology, Atropine, pharmacology, Blood Pressure, drug effects, physiology, Cats, Electric Stimulation, Enzyme Inhibitors, administration & dosage, pharmacology, Heart Rate, drug effects, physiology, Injections, Intra-Arterial, Male, NG-Nitroarginine Methyl Ester, administration & dosage, antagonists & inhibitors, pharmacology, Nitric Oxide, physiology, Nitric Oxide Synthase, antagonists & inhibitors, pharmacology, Nitroprusside, pharmacology, Parasympathetic Fibers, Postganglionic, drug effects, physiology, Parasympatholytics, pharmacology, Regional Blood Flow, Saliva, drug effects, Submandibular Gland, blood supply, innervation, physiology, Vascular Resistance, drug effects, Vasoactive Intestinal Peptide, drug effects, secretion
Postens nummer:
Posten skapad:
2014-01-08 16:31

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