This study investigated the anti-ulcer properties of raw olive leaf powder (OLP) and its immunomodulatory potential through the cytokine network. The efficacy of OLP extract in treating stomach ulcers in rats in ethanol-induced models was examined using a single dosage (100, 200, 400 mg/kg) in groups 4, 5, and 6. The OLP demonstrated substantial anti-ulcer action even at 100 mg/kg. The activity was better at 400 mg/kg and almost equivalent to the conventional omeprazole treatment at 20 mg/kg in group 3. The cytokine network was studied in groups 1, 2, 3, and 6. The cytokine network was efficiently regulated by reducing the production of cytokines such as IL-1β, IL-2, IL-4, IL-6, IL-10, and TNF-α. The levels of caspase-3 and caspase-9 were also lowered in groups 3 and 4 considerably at p < 0.05. It is interesting to note that the expression of IFN was greater in animals treated with OLP in group 4, as compared to animals treated with omeprazole in group 3, as well as animals from the disease control group 2, when analyzed at a significance level of p < 0.05. The results revealed that OLP has intriguing potential for anti-ulcer action, and possesses immunomodulatory capabilities to control inflammatory cytokines and apoptotic markers.
The objective of this study was to characterize the bioactive ingredients and antiulcer effects of Lactuca sativa leaves. Several bioactive chemicals were found in the cold methanolic extract of Lactuca sativa leaves after gas chromatography-mass spectrometry (GC-MS) research: 9,12-octadecadienoic acid (Z,Z)-, cyclononasiloxane, octadecamethyl-, n-hexadecanoic acid, Hexadecanoic acid, 2-hydroxy-1-(hydroxymethyl)ethyl, octadecanoic acid, 2-hydroxy-1-(hydroxymethyl)ethyl ester, 9-octadecenamide, (Z)-, hexadecanoic acid, stigmasterol, benzothiazole, ethyl iso-allocholate, and octacosane. Distinct fingerprint regions in GCMS indicated the existence of bioactive compounds. The leaf powder of Lactuca sativa (LPL) demonstrated substantial antiulcer properties at 400 mg/kg, which was almost equivalent to the standard drug at 20 mg/kg. The cytokine network was efficiently regulated by reducing the production of proinflammatory cytokines such as IL-1β, IL-6, and TNF-α. The levels of caspase-3 and caspase-9 were also considerably lowered at p < 0.05 significant level.
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