Depletion of serotonin using p-chlorophenylalanine (PCPA) and reserpine protects against the neurotoxic effects of p-chloroamphetamine (PCA) in the brain.

Abstract:

:The present study attempts to determine whether the neurotoxicity of p-chloroamphetamine (PCA) is dependent on a releasable pool of serotonin (5-HT). Rats treated with PCA alone or with reserpine and PCA exhibit a profound loss of 5-HT innervation in cerebral cortex after a 2-week survival period. However, depletion of 5-HT by combined treatment with p-chlorophenylalanine (PCPA) and reserpine provides substantial protection against the neurotoxic effects of PCA. These results indicate that release of 5-HT is a necessary step in the neurotoxicity of PCA and that a peripheral source of 5-HT is involved. We suggest that 5-HT release from platelets into the peripheral circulation may result in the formation of a neurotoxic 5-HT metabolite.

journal_name

Exp Neurol

journal_title

Experimental neurology

authors

Berger UV,Grzanna R,Molliver ME

doi

10.1016/0014-4886(89)90071-x

subject

Has Abstract

pub_date

1989-02-01 00:00:00

pages

111-5

issue

2

eissn

0014-4886

issn

1090-2430

pii

0014-4886(89)90071-X

journal_volume

103

pub_type

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