Oleanolic acid is a molecule of current therapeutic interest. In the present study, oleanolic acid isolated from the cuticular epithelium of Viscum articulatum Burm. f. (Viscaceae) was investigated for its protective effects on gentamicin-induced renal damage in rats. Nephrotoxicity was induced in rats by intraperitoneal injection of gentamicin at a dose of 100 mg/kg/day for 8 days. The effect of Oleanolic acid administered orally at doses 40, 60 and 80 mg/kg/day was assessed biochemically by determination of albumin, urea and creatinine in serum and urine samples and also through histopathological examination of the kidneys. Oleanolic acid protected the rat kidneys from gentamicin-induced nephrotoxicity as evident from a decrease in the serum and urine levels of creatinine, albumin and urea. Oleanolic acid also protected the rat kidneys from histological alterations induced by gentamicin and also improved the glomerular filtration rate. Compared with an earlier report on intraperitoneal administration of oleanolic acid in paracetamol-induced nephrotoxicity in rats, the data show that orally administered oleanolic acid also exerted a nephroprotective effect even in the case of a nephrotoxicant such as gentamicin, which directly deteriorates the kidney function without prior metabolism.
The research work deals with the screening of aqueous extracts of Cissus quadrangularis (CQ) stem for central nervous system (CNS) depressant activity. The CQ leaves and stems contain resveratrol, piceatannol, pallidol perthenocissin derivatives as chemical components and are reported to have anticonvulant activity. The extract of plant showed GABA Abenzodiazepine receptor binding activity we made an attempt to study its CNS depressant effect. The different activities studied were test for locomotor activity, effect on muscle coordination, antiaggressive and antianxiety activities. The result of the study reflected that aqueous extract of the stem (150 mg/kg, p.o) decreased locomotor activity, produced muscle relaxation and showed antianxiety and antiaggressive activity
As cancer continues to be one of the biggest threats worldwide and causes maximum deaths after cardiovascular diseases, a greater emphasis must be given for newer strategies for the development of anti-cancer drugs. Cancer treatment strategies target various mechanisms such as apoptosis, metastasis, angiogenesis, etc. Angiogenesis, which is the process of generation of new capillary blood vessels, can be an excellent target for anti-cancer therapy, as a tumor cannot grow further without it. The present study aims to evaluate and compare anti-angiogenic activity of ethanolic extract of Parkia biglandulosa (EEPB) and its isolate β-sitosterol by regenerative angiogenesis assay using caudal fin of adult zebrafish. One of its active constituents that is β-sitosterol, which was expected to show anti-cancer activity, was isolated by using flash chromatography and its activity was checked along with crude ethanolic extract of Parkia biglandulosa (EEPB). Results of regenerative angiogenesis compared by one way ANOVA followed by Tukey’s test showed significant inhibition of fin growth when compared with control group which signified anti-angiogenic effect of test compounds.
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