Oxidative stress, biochemical alterations, and hyperlipidemia in female rats induced by lead chronic toxicity during puberty and post puberty periods.

Abstract:

OBJECTIVES:Lead (Pb) is a toxic metal inducing many destructive effects leading to a broad range of physiological, biochemical, and neurological dysfunctions in humans and laboratory animals. MATERIALS AND METHODS:Here, we investigated the effect of chronic exposure to Pb (50 mg/l) on oxidative stress, hepatotoxicity, nephrotoxicity, and lipid profile of two different age groups of female rats treated with Pb from delivery until puberty period (40 days, Pb40) and post puberty period (65 days, Pb65). RESULTS:Our results clearly show that the administration of Pb produces oxidative damage in liver and kidney, as strongly suggested by the significant increase in TBARS, decrease in total SH, and the alteration of SOD activity. Elevation in liver function biomarkers, alanine aminotransferase (ALT) and aspartate aminotransferase (AST) and reduction in total protein (liver and plasma) and albumin are evidence of perturbations of liver synthetic function. In young Pb-treated group, Pb-induced nephropathy was more pronounced by the increase in the levels of creatinine, urea, and uric acid. However, hyperlipidemia was evident for both Pb-exposed groups leading to a potential risk for cardiovascular diseases and atherosclerosis. CONCLUSION:It is concluded that Pb induces metabolic and oxidative disturbances depending on the age of the animals, which are not negligible.

journal_name

Iran J Basic Med Sci

authors

Alya A,Ines DB,Montassar L,Najoua G,Saloua el F

subject

Has Abstract

pub_date

2015-10-01 00:00:00

pages

1034-43

issue

10

eissn

2008-3866

issn

2008-3874

journal_volume

18

pub_type

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