Effects of human, rat and porcine galanins on cardiac vagal action and blood pressure in the anaesthetised cat.

Abstract:

:Galanin (GAL) is distributed in sympathetic nerves in the cat, and exogenous GAL inhibits cardiac vagal action and lowers blood pressure in this species. This study on anaesthetised cats compares the effects on cardiac vagal action and blood pressure of human, rat and porcine GAL. Human GAL has only recently been sequenced. It is of particular interest as it is not C-terminally amidated, unlike porcine and rat GAL. Many regulatory peptides require a C-terminal amide group for their action. However, human GAL showed similar biological activity to the other (amidated) GALs here. Omission of a single amino acid (Ser6) from rat GAL significantly attenuated both cardiovascular actions studied here.

journal_name

Neurosci Lett

journal_title

Neuroscience letters

authors

Ulman LG,Evans HF,Iismaa TP,Potter EK,McCloskey DI,Shine J

doi

10.1016/0304-3940(92)90659-u

keywords:

subject

Has Abstract

pub_date

1992-02-17 00:00:00

pages

105-8

issue

1

eissn

0304-3940

issn

1872-7972

pii

0304-3940(92)90659-U

journal_volume

136

pub_type

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