Abstract:
:The influence of intra-arterial injections of 5-hydroxytryptamine, histamine and prostaglandin E2 on afferent impulse activity of mesenteric nerves of small intestine was studied. In anaesthetized cats 5-hydroxytryptamine (10(-5)-10(-4) M) and histamine (10(-5)-10(-3) M) were shown to increase the impulse activity in a dose-dependent manner. Metergolin, 5-hydroxytryptamine antagonist, suppressed the effect of 5-hydroxytryptamine. Clemastine and cimetidine, antagonists of H1 and H2 histamine receptors respectively, distinctly diminished excitatory histamine effects. Prostaglandin E2 (10-30 micrograms/kg) enhanced the afferent impulse activity. The results suggest that afferents of the small intestine may be involved in reception of inflammatory and immune responses.
journal_name
Neurosciencejournal_title
Neuroscienceauthors
Akoev GN,Filippova LV,Sherman NOdoi
10.1016/0306-4522(95)00479-3subject
Has Abstractpub_date
1996-04-01 00:00:00pages
1163-6issue
4eissn
0306-4522issn
1873-7544pii
0306-4522(95)00479-3journal_volume
71pub_type
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