Evaluation of protective efficacy of flaxseed lignan-Secoisolariciresinol diglucoside against mercuric chloride-induced nephrotoxicity in rats
2019
Aqeel, Tareq | Chikkalakshmipura Gurumallu, Sunil | Hashimi, Saeed Mujahid | AlQurashi, Naif | Javaraiah, Rajesh
The toxicity of heavy metals such as mercury (Hg) in humans and animals is well documented. The kidney is the primary deposition site of inorganic-Hg and target organ of its toxicity. The present study investigated the protective efficacy of flaxseed lignan-Secoisolariciresinol diglucoside (SDG) on nephrotoxicity induced by mercuric chloride (HgCl₂). Rats were intraperitoneally injected with HgCl₂ (2 mg/kg/day) and renal toxicity was induced. Subcutaneous administration of rats with SDG (5 mg/kg/day) as a pre-treatment caused a significant reversal of HgCl₂ induced increase in blood urea, creatinine, glutathione s-transferase and catalase (CAT). On the other hand, administration of SDG with HgCl₂ restored normal levels of albumin and superoxide dismutase (SOD). Histological examination of kidneys confirmed that pre-treatment of SDG before HgCl₂ administration significantly reduced its pathological effects. Thus, the results of the present investigation suggest that SDG can significantly reduce renal damage, serum and tissue biochemical profiles caused by HgCl₂ induced nephrotoxicity. Hence, SDG may be recommended for clinical trials in the treatment of kidney disorders caused by exposure to Hg.
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