Galanin decreases the activity of locus coeruleus neurons in vitro.

Abstract:

:A brain slice preparation was used to examine the effects of galanin on the spontaneous firing rate of locus coeruleus noradrenergic neurons. Galanin (10(-9)-10(-7) M), added to the bath, inhibited the firing of 14 out of 19 neurons in a concentration-dependent manner. The observed effect was quite variable, ranging from 20 to 100% at 10(-7) M. Experiments performed in low-Ca2+, high-Mg2+ medium also showed a significant inhibition by galanin (10(-7) M) in three out of five neurons, which suggests that the peptide acts directly.

journal_name

Eur J Pharmacol

authors

Seutin V,Verbanck P,Massotte L,Dresse A

doi

10.1016/0014-2999(89)90481-0

subject

Has Abstract

pub_date

1989-05-19 00:00:00

pages

373-6

issue

2

eissn

0014-2999

issn

1879-0712

pii

0014-2999(89)90481-0

journal_volume

164

pub_type

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