The Protective Effect of Thiamine on the Histo-stereological Structural Changes of the Testicles and Oxidative State Induced by Copper Oxide Nanoparticles in Rat

Document Type : Original Article

Authors

Department of Basic Sciences, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran

Abstract

Nanoparticles represent an innovative and highly promising technology in the felds of medicine and diagnostics, offering unique capabilities for targeted drug delivery and advanced diagnosis. This study aimed to investigate the protective effects of thiamine against the histo-stereological and biochemical alterations induced by copper oxide nanoparticles (CuO NPs) in the testes. A total of 72 adult male, healthy Wistar rats were divided into four groups: control, thiamine (30 mg/kg), CuO NP (25 mg/kg), and a combination of CuO NPs and thiamine (30 mg/kg + 25 mg/kg). All substances were administered via intraperitoneal injection, once daily. After 14 days of treatment, the tissue and blood samples were collected for histo-stereological evaluation and total antioxidant capacity (TAC), malondialdehyde (MDA), superoxide dismutase (SOD) catalase (CAT) antioxidant enzymes, body weight and testicular weight assessment. Control and thiamine groups maintained normal seminiferous tubule structure, regular spermatogenesis, and high antioxidant levels. CuO NPs administration induced severe histopathological damages, including signi cant reduction in seminiferous tubule diameter, disruption of the germinal epithelium, a signi cant decrease in the number of spermatocytes and spermatids, a signi cant decrease in body and testicular weight, and diminished antioxidant enzyme activity (P<0.05). Thiamine exerts protective effects in testicular tissue through its antioxidant, anti-in ammatory and anti-apoptotic properties, and may serve as an effective adjunct therapeutic agent to counteract the reproductive toxicity and adverse effects induced by CuO NPs.

Keywords


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