Journal
MARINE DRUGS
Volume 21, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/md21010025
Keywords
ovothiol A; sea urchin; natural product; gastric ulcer; oxidative stress; inflammation
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Peptic ulcer is a common disease with a significant impact on the general population. Ovothiol A, derived from sea urchin eggs, exhibits special antioxidant activity. Studies on rats showed that Ovothiol A reduced gastric acid secretion, decreased ulcer index and oxidative damage, and increased antioxidant levels, thereby promoting the healing of gastric ulcers.
Peptic ulcer is a widespread disease, with a lifetime frequency of 5-10% among the general population and an annual incidence of 0.1-0.3%. Ovothiol A is naturally produced from sea urchin eggs with special antioxidant activity. Gastric ulcers were induced in rats by a single ethanol dose (5 mL/kg). The rats were divided into control, ulcer, and ulcer with 250 and 500 mg/kg ovothiol A doses. Molecular docking studies were used to examine the interactions between ovothiol A and the H+/K+ ATPase active site residues. Ovothiol A led to a significant decline (p < 0.05) in gastric juice volume, ulcer index, MDA, IL-6, and cytochrome c, while levels of gastric juice pH, GSH, CAT, GST, SOD, and NO increased. Histopathological investigation of stomach sections revealed architecture preservation of the gastric mucosa after ovothiol A administration. The anti-ulcerogenic activity of ovothiol A includes scavenging free radicals, inhibition of inflammation, regulation of apoptosis, and stabilization of fibroblast growth factors to promote gastric ulcers healing.
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