Effects of GABA-transaminase inhibitor Vigabatrin on thermoregulation in rats.

Abstract:

:Vigabatrin is a GABA derivative (gamma-vinyl GABA) which inhibits irreversibly the enzyme activity of GABA transaminase and thus increased indirectly brain GABA concentrations. We have used body temperature assay to examine the effects of Vigabatrin on thermoregulation in intact rats. In order to understand the mechanism of thermoregulatory action of Vigabatrin at cellular level, we have investigated its effect on individual warm-sensitive preoptic area/anterior hypothalamus (PO/AH) neurons in rat brain slice preparations. The results of the present study suggest that Vigabatrin produced dose-dependent hypothermia in rats and also increased temperature sensitivity of warm-sensitive PO/AH neurons.

journal_name

Amino Acids

journal_title

Amino acids

authors

Nikolov RP,Yakimova KS

doi

10.1007/s00726-010-0754-5

subject

Has Abstract

pub_date

2011-05-01 00:00:00

pages

1441-5

issue

5

eissn

0939-4451

issn

1438-2199

journal_volume

40

pub_type

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