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- Objective: This study was designed to evaluate the protective effect of aqueous extract of Solanum macrocarpon Linn leaf in the brain of an alloxan-induced rat model of diabetes. Methods: The experimental model of diabetes was induced by a single intraperitoneal injection of freshly prepared alloxan. Rats were then divided into six groups: normal control, diabetes control, diabetes group treated with metformin, and three diabetes groups treated with different concentrations of S. macrocarpon. Rats were sacrificed on day 14 of the experiment and different brain biochemical parameters were assessed and compared between groups. Results: Administration of different doses of S. macrocarpon leaf aqueous extract was associated with significantly reduced levels of fasting blood glucose, lipid peroxidation, neurotransmitters, cholinesterases, cyclooxygenase-2 and nitric oxide compared with diabetes control rats. In addition, antioxidant enzyme activities were significantly increased in diabetes rats administered 12.45, 24.9 and 49.8 mg/kg body weight of S. macrocarpon versus diabetes control rats. Conclusion:Aqueous extract of S. macrocarpon Linn leaf may be useful in the management of diabetic neuropathy
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- Benign prostatic hypertrophy (BPH) is a prevalent condition affecting the prostate gland of elderly men. This study investigated the effects of H. sabdariffa leaf flavonoid extracts on BPH induction in rats. Thirty-six male Wistar rats were split into six groups: normal controls, BPH-induced rats (3 mg/kg testosterone), and rats treated with BPH-induced with flavonoid extract (300 mg/kg and 150 mg/kg) or a standard drug (1 mg/kg finasteride). After 28 days, biochemical, histological, and molecular parameters were assessed. The extract rich in flavonoids from H. sabdariffa markedly (p < 0.05) decreased the amount of MDA and enhanced the activities of antioxidant enzymes in rats administered with BPH. The extracts substantially attenuated inflammatory markers such as IL-6, IL-1β, and TNFα levels. Histological examination revealed improved prostate architecture in the treated groups in contrast to those in BPH-induced rats. Additionally, substantial (p < 0.05) downregulation of CEA, AKT, MMP9, and PSA in the extract-treated groups was observed. HPLC characterization identified prominent flavonoids, with quercetin being the most abundant bioactive compound. The outcome of this study proffers the therapeutic activities of H. sabdariffa flavonoid extract on BPH rat model.
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