Browsing by Author "Adisa, Muhammad Jamiu"
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Item Cypermethrin and chlorpyrifos raises serum urea level and causes abnormal sperm morphology in Wistar rats(Biointerface Research in Applied Chemistry, 2019) Iyiola, Oluyinka Ajobola; Sulaiman, A.F; Sulaiman, Abdulfattah Afolabi; Anifowoshe, Abass Toba; Akolade, Jubril Olayinka; Adisa, Muhammad Jamiu; Otohinoyi, D.A; Rotimi, Damilare E.; Batiha, Gaber El-Saber; Maimako, Rotdelmwa Filibus; Adeyemi, O.SChlorpyrifos (organophosphate) and cypermethrin (pyrethroid) are insecticides, which are widely used for agricultural as well as for domestic purposes. This study investigated the toxicological effect of chlorpyrifos and cypermethrin on selected organs and tissues of male Wistar rats. Nine (9) male Wistar rats were randomly grouped into three and were orally given chlorpyrifos or cypermethrin, while the control group was given distilled water for 28 days. The results revealed a significant increase (p<0.05) in rat serum AST activity for the chlorpyrifos and cypermethrin groups. Also, there was significant elevation in serum urea following oral exposure to either chlorpyrifos or cypermethrin. Conversely, a reduction in the rat liver ALP activity for treatment with cypermethrin or chlorpyrifos was recorded. The histology results revealed that the administration of chlorpyrifos but not cypermethrin for 28 days has no significant effect on the biochemical properties and sperm morphology of the rats. Taken together, findings indicate that cypermethrin and chlorpyrifos exposure in rats predisposes to renal injury, while altering sperm morphology.Item Evaluation of the Toxicological Effects of Ethanolic Extracts of Annona squamosa and Piper nigrum plants on rats(Society for Experimental Biology of Nigeria, 2018) Sulaiman, Adenike Faoziyat; Iyiola, Oluyinka Ajibola; Adisa, Muhammad Jamiu; Sani, Evelyn Miria; Giwa, Fatima A; Amokeoja, Folorunsho HafizThe purpose of this research was to evaluate the overall safety or toxicological effects of ethanolic extracts of Annona squamosa (leaves and stems) and Piper nigrum (seeds and stems) in healthy Wistar rats. Dried powdered leaves and stem of Annona squamosa and Piper nigrum’s seed and stem were extracted in ratio 1:5 of 80% ethanol for 24hours. Thirty male healthy Wistar rats with average weight of 120-150g were randomly distributed into six groups (A-F) of five animals each. 1ml of the extracts equivalent to 500mg/kg body weight were administered to the experimental animals (group C-F) while 1ml of Cyclophosphamide equivalent to 50mg/kg body weight was administered to the reference group (group B) for a period of twenty one (21) days after one week of acclimatization, the control group on the other hand (group A) were administered 1ml of distilled water. The serum and organs (liver, kidney and heart) were collected for lipid profile, liver function indices and kidney function indices. Significant increase (P<0.05) in the serum AST, ALT, ALP level of the group administered with 50mg/kg body weight of Cyclophosphamide and a subsequent decrease of the enzymes level in the liver, kidney and heart was recorded. In addition, there was a significant increase (p>0.05) in the total cholesterol, triacylglycerol, total and direct bilirubin, creatinine and urea concentration with a gradual reduction in the serum HDL and albumin concentration in the reference drug group as compared to control group and the test groups. However, this shows the reduced toxicity of Annona squamosa and Piper nigrum at 500mg/kg body weight, which is an indication that the plants are safe for human consumption.