Abstract
Background: The protective effects of Montelukast (Mont), as an anti-inflammatory drug, against cadmium-induced kidney cell damage have already been studied and identified. Since the significant part of cadmium nephrotoxicity is caused by oxidative stress, this in vivo and in vitro study was conducted to investigate the possible role of Montelukast antioxidant properties in the protection. Methods: In the in vivo section, 42 rats were treated in seven groups of six rats as follows: Control; Cadmium Chloride (CdCl2) control; Montelukast control; CdCl2 plus Montelukast treatment; CdCl2 with Montelukast pre-treatment; Vitamin E control; CdCl2 plus Vitamin E treatment. In the in vitro section, human embryonic kidney cells (HEK293) were treated with CdCl2; Montelukast; Combined CdCl2 and Montelukast; Vitamin E; Combined CdCl2 and Vitamin E. Results: Montelukast, in both treatment and pretreatment forms, reduced serum urea, creatinine, and potassium levels compared to CdCl2 group, in vivo. Similar to vitamin E, the pre-treatment with Montelukast was associated with a significant decrease in Nitric Oxide (NO) and Total Antioxidant Capacity (TAC) in serum and renal tissue, and a significant increase in Glutathione Peroxidase (GPX) activity in serum compared those in the CdCl2 group. In the in vitro section of the study, Montelukast significantly reduced Malondialdehyde (MDA) and NO while the TAC level, Superoxide Dismutase (SOD), and the GPX activity increased significantly. Conclusion: Overall, the antioxidant effects of Montelukast appear to play a prominent role in preventing the renal toxicity due to cadmium exposure.
Highlights
MethodsIn the in vivo section, 42 rats were treated in seven groups of six rats as follows: Control; Cadmium Chloride (CdCl2) control; Montelukast control; CdCl2 plus Montelukast treatment; CdCl2 with Montelukast pre-treatment; Vitamin E control; CdCl2 plus Vitamin E treatment
The protective effects of Montelukast (Mont), as an anti-inflammatory drug, against cadmium-induced kidney cell damage have already been studied and identified
Montelukast, in both treatment and pretreatment forms, reduced serum urea, creatinine, and potassium levels compared to CdCl2 group, in vivo
Summary
In the in vivo section, 42 rats were treated in seven groups of six rats as follows: Control; Cadmium Chloride (CdCl2) control; Montelukast control; CdCl2 plus Montelukast treatment; CdCl2 with Montelukast pre-treatment; Vitamin E control; CdCl2 plus Vitamin E treatment. In the in vitro section, human embryonic kidney cells (HEK293) were treated with CdCl2; Montelukast; Combined CdCl2 and Montelukast; Vitamin E; Combined CdCl2 and Vitamin E. Laboratory animals: 42 male rats of Wistar breed, weighing 200-250 grams were randomly divided into seven equal groups of six rats each. They were kept under an optimal laboratory conditions of temperature at 22±2°C and lighting cycle of 12 hours light and dark, with the relative humidity set at 40%-60%. Group 3: (Montelukast control) received this drug at 20 mg/kg/day orally (PO) for 5 days [19, 20]
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