Acetaminophen-induced renal toxicity: preventive effect of silver nanoparticles.

Area of Science:

• Nanomedicine
• Toxicology
• Renal Physiology

Background:

• Acetaminophen overdose is a leading cause of acute liver and kidney failure.
• Nephrotoxicity induced by acetaminophen presents significant clinical challenges.
• Developing effective therapeutic interventions for acetaminophen-induced kidney injury is crucial.

Purpose of the Study:

• To investigate the protective effects of silver nanoparticles (AgNPs) against acetaminophen-induced nephrotoxicity.
• To evaluate the efficacy of different doses of AgNPs in mitigating renal damage.
• To explore the underlying mechanisms of AgNPs' protective action, including antioxidant effects.

Main Methods:

• Rats were administered acetaminophen (2 g/kg) to induce acute renal toxicity.
• Therapy involved administering silver nanoparticles (AgNPs) at doses of 50, 100, and 150 μg/kg.
• Kidney tissue histology, serum urea and creatinine levels, lipid peroxidation, reduced glutathione (GSH), and antioxidant enzyme activities (superoxide dismutase, catalase, ATPase) were analyzed.

Main Results:

• AgNPs treatment at all tested doses (50, 100, 150 μg/kg) significantly prevented acetaminophen-induced acute renal toxicity.
• Histological examination of kidneys showed reduced damage in AgNPs-treated groups.
• AgNPs therapy alleviated oxidative stress by reducing lipid peroxidation, increasing renal GSH content, and restoring antioxidant enzyme activities.

Conclusions:

• Silver nanoparticles demonstrate significant protective potential against acetaminophen-induced nephrotoxicity.
• AgNPs mitigate renal damage by counteracting oxidative stress and restoring antioxidant defense mechanisms.
• Further preclinical and clinical studies are warranted to develop AgNPs as a therapeutic agent for nephrotoxicity.