scholarly works

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Author: search.filters.author.Akinrinde, S. A.End date: 2023

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    Evidence of attenuation of intestinal ischemia–reperfusion injury following pre-treatment with methanolic extracts from Chromolena odorata in rats
    (Natural Health Product Research Society of Canada, 2015) Akinrinmade, J. F.; Akinrinde, S. A.; Odejobi, A.; Oyagbemi, A. A.
    Background: Chromolena odorata is a tropical species of flowering shrub in the family Asteraceae, leaves of it have been reported to be widely used as herbal remedy for the treatment of various ailments. It is particularly reported to be useful in the healing of wounds. Methods: We investigated the possibility of amelioration of intestinal ischemia–reperfusion (IR) injury in rats trea ted with methanolic extract of C. odorata (MECO). Wistar albino rats were divided randomly into five groups of six animals each as control, IR-treated, IR þ 200 mg/kg MECO, IR þ 400 mg/kg MECO, and IR þ 200 mg/kg vita min C. Pre-treatment with MECO or vitamin C was for 7 days. Results: The contents of hydrogen peroxide (H2O2) and malondialdehyde (MDA) were significantly reduced by MECO and vitamin C, while there were significant enhancements of the activities of superoxide dismutase (SOD), glutathione peroxidase (GPX), catalase (CAT), as well as the content of reduced glutathione (GSH) in pre-treated rats compared to IR-treated rats. Glutathione S-transferase (GST) activity was not significantly affected in all the groups. Histopathological examination of small intestinal mucosa revealed significant attenuation of intestinal pathology in animals pre-treated with MECO, while IR injury produced severe villi erosion, necrosis, and inflammatory cell infiltrations. Conclusions: The present study highlights the antioxi dant activities of MECO and its ability to inhibit inflammatory cell infiltration as mechanisms involved in its protection against IR injury in the intestine of rats, an effect that was largely comparable to that of vitamin C.
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    Prevalence of rumen impaction with non-biodegrable materials in cattle in Ibadan, Nigeria
    (Nigerian Society for Animal Production, 2021) Akinrinmade, J. F; Akinrinde, S. A.
    A study was conducted on 3031 cattle slaughtered in Ibadan over a period of three months to determine the prevalence of rumen impaction with indigestible garbage and evaluate breed, sex, age and some blood indices as risk factors. Thorough antemortem and postmortem examinations were carried out on each of the animals to determine the breed, health status, sex, age and presence of indigestible garbage in the rumen while blood samples were collected and analysed only for animals with indigestible garbage, to determine total serum protein and phosphorus levels. Results showed overall prevalence of rumen impaction was 10.77% and it differed significantly between breeds, but was highest in the Red Bororo (RB). Sex and age had significant influence on the prevalence of rumen impaction. It was significantly higher (P < 0.05) in females than in males and in older animals than in younger ones. Total serum protein and phosphorus levels were significantly lower than reference values in animals with rumen impaction.
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    Protective effects of kolaviron and quercetin on cadmium-induced testicular damage and endocrine pathology in rats
    (Blackwell Verlag GmbH, 2012) Farombi, E. O.; Adedara, I. A.; Akinrinde, S. A.; Ojo, O. O.; Ebo, A. S.
    This study evaluated the effects of kolaviron, a biflavonoid from Garcinia kola seed, and quercetin on cadmium-induced reproductive toxicity in rats. Adult male rats were administered with either cadmium (15 mg kg 1 ) alone or in combination with kolaviron (200 mg kg 1 ) or quercetin (10 mg kg 1 ) daily for 5 days. Cadmium-treated rats showed (P < 0.05) decrease in the body weight gain, testis and epididymis weights. However, upon co-administration of kolaviron or quercetin, these changes were significantly reversed in cadmium-treated rats. Also, administration of kolaviron or quercetin significantly prevented cadmium-mediated decrease in sperm motility and epididymal sperm concentration and reversed the increased level of sperm abnormality to near control. In testes and sperm, cadmium treatment resulted in significant decrease in the activities of superoxide dismutase, catalase and glutathione peroxidase, whereas it increased glutathione S-transferase activity as well as hydrogen peroxide and malondialdehyde levels. While plasma levels of triiodo thyronine and tetraiodothyronine remained unaffected, the levels of testosterone, luteinising hormone and follicle stimulating hormone were decreased in cadmium-treated rats. Cadmium treatment caused mild congestion of intersti tial vessels and oedema in the testes. Taken together, kolaviron and quercetin inhibited the adverse effects of cadmium on the antioxidant enzymes, markers of oxidative stress, endocrine and testicular structure in rats.