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. 1977 Feb;59(2):223–229. doi: 10.1111/j.1476-5381.1977.tb07482.x

Mechanism of neurotoxicity of cardiotonic glycosides.

B B Gaitondé, S N Joglekar
PMCID: PMC1667725  PMID: 13903

Abstract

1 In cats intracerebroventricular administration of 5, 10, 20 mug of peruvoside, a cardiac glycoside obtained from the plant, Thevetia neriifolia, and 10 and 20 mug of ouabain, produced marked neurotoxicity. This was dose-related. 2 Prior administration reserpine (2 mg/kg i.m., 500 mug i.c.v.) or tetrabenazine (25 mg/kg i.v., 50 mg/kg i.v. and 2 mg/,g i.c.v.) suppressed the neurotoxicity, but lithium carbonate (100 mg/,g i.p., 2 mg 2.c.v.) and haloperidol (200 mug i.c.v.) were ineffective. 3 Prior administration of 2-bromolysergic acid diethylamide (BOL-148, 200 mug i.c.v.) or p-chlorophenylalanine (PCPA) (400 mg/kg i.p.) suppressed the neurotoxicity induced by peruvoside and ouabain. 4 Perfusion of the lateral ventricles of cats with 10, 20 and 30 mug of peruvoside or ouqbain produced a massive release of 5-hydroxytryptamine (5-HT). This was dose-related. Prior administration PCPA suppressed the release of 5-HT. 5 The results of the findings indicate the involvement of 5-HT in the genesis of neurotoxicity induced by peruvoside or ouabain.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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