Dose-dependent and reversible effects of lead on rat dopaminergic system

M. Memo, L. Lucchi, P. F. Spano, M. Trabucchi

Research output: Contribution to journalArticlepeer-review

Abstract

It has been suggested that hyperactivity and mental retardation, the most serious clinical aspects observed in children during lead intoxication, may occur as consequence of specific alterations of neurotransmitter functions. In our experiments we indicate that the behavioural patterns observed in chronically lead exposed rats may be correlated with an impairment of the dopaminergic system. Performing our study at two different levels of lead exposure, we found after the last assumption of lead we observed a complete disappearance of these neurochemical variations. Our findings suggest that lead affects dopamine function in different brain areas in reversible manner, inducing effects which are dose-dependent.

Original languageEnglish
Pages (from-to)795-799
Number of pages5
JournalLife Sciences
Volume28
Issue number7
DOIs
Publication statusPublished - Feb 16 1981

ASJC Scopus subject areas

  • Pharmacology

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