A monoclonal antibody to calcitonin gene-related peptide abolishes capsaicin-induced gastroprotection.

Abstract:

:Calcitonin gene-related peptide (CGRP) released from vasodilator nerves is implicated in the gastroprotective action of capsaicin. This experimental paradigm was used to prove the effectiveness of a monoclonal anti-CGRP antibody. The experiments were performed in anaesthetized rats in which intragastric capsaicin (0.5 mg/kg) reduced gastric injury due to ethanol (50%) by 72%. The protective effect of capsaicin was abolished by close arterial administration of the anti-CGRP antibody #4901 (5 mg) to the stomach. A monoclonal antibody to keyhole limpet haemocyanin was without effect. These data establish anti-CGRP antibody #4901 as a tool to neutralize endogenously released CGRP and show that CGRP is indispensable for the gastroprotective action of capsaicin.

journal_name

Eur J Pharmacol

authors

Peskar BM,Wong HC,Walsh JH,Holzer P

doi

10.1016/0014-2999(93)90645-x

subject

Has Abstract

pub_date

1993-11-30 00:00:00

pages

201-3

issue

1

eissn

0014-2999

issn

1879-0712

pii

0014-2999(93)90645-X

journal_volume

250

pub_type

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