A histological study on the effect of imatinib on the rats' testis after early postnatal exposure

The safety region of imatinib, and markedly its role in testicular toxicity has been studied in a controversial manner in current years. This study was designed to address the repercussion of administration of groups of pups with imatinib mesylate (at neonatal or infantile periods) using histological analysis of their testes in several end points and in adulthood. Intact pups (albino-male) exposed to 200 mg/kg of oral imatinib once daily at neonatal and early infantile period on PND 1 to PND10 (for ten days). All experiments performed with age and weight matched control which administered with Distilled water. Pups were into categorized into 4 subgroups, according to the ages of euthanasia: 15 days postpartum (PND); 40days postpartum; 70 days postpartum and 140 days postpartum. The histological analysis was conducted in blind fashion after staining with (Harris Hematoxylin and Eosin stain. Ten randomly selected testicular sections from each rat were analyzed qualitatively and quantitavely. In addition, Johnsen' scores were used to analyze the effect of drug on spermatogenesis. Data were recorded and value is considered as significant when it P

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