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Prevention of acute cadmium toxicity by Picroliv

R K S Dogra

Industrial Toxicology Research Centre, P.O. Box 80, M.G. Marg, Lucknow 226001, India

M Y Khan

Dr RML Avadh University, Faizabad 224001, India

S Khandelwal

Immunotoxicology Division, Industrial Toxicology Research Centre, P.O. Box 80, M.G. Marg, Lucknow 226001, Indiaskhandelwal{at}itrc.res.in

The potential of Picroliv, a herbal extract against acute cadmium (Cd) intoxication, was evaluated in male rats. Biochemical and histopathological profile in rats pretreated with Picroliv (12 mg/kg, oral) followed by a single dose of Cd as cadmium chloride (CdCl₂) (3 mg/kg, ip) revealed marked suppression of oxidative stress in liver and testes. The Cd-induced enhanced levels of lipid peroxidation, membrane fluidity and reduced levels of nonprotein sulphydryls and Na⁺K⁺ATPase were significantly restored to near normal by Picroliv pretreatment. In addition, the Cd-induced serum levels of glutamate oxaloacetate transaminase, glutamate pyruvate transaminase, gamma glutamyl transpeptidase and lactate dehydrogenase were restored to near basal levels. Hepatic and testicular histopathological damage was also minimized. The results strongly suggest definite hepatoand testicular protection by Picroliv. The antioxidant potential of the herbal extract in the major part, and not its chelating property, seems to be responsible for its ameliorative action.

Key Words: biochemical • cadmium • histopathological • oxidative stress • Picroliv • rat

Human & Experimental Toxicology, Vol. 24, No. 10, 529-536 (2005)
DOI: 10.1191/0960327105ht563oa


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