Abstract
The current study was assigned to determine the putative preventive role of vinpocetine (VIN) in cervical hyperkeratosis (CHK) in female rats. Estradiol Benzoate (EB) was utilized in a dose f (60 μg/100 g, i.m) three times/week for 4 weeks to induce cervical hyperkeratosis. VIN was administered alone in a dose of (10 mg/kg/day, orally) for 4 weeks and in the presence of EB. Levels of malondialdehyde (MDA), total nitrites (NOx), reduced glutathione (GSH), interleukin-18 (IL-18), IL-1β, tumor necrosis factor-alpha (TNF-α) were measured in cervical tissue. The expression of NLRP3/GSDMD/Caspase-1, and SIRT1/Nrf2 was determined using ELISA. Cervical histopathological examination was also done. EB significantly raised MDA, NOx, TNF-α, IL-18, IL-1β, and GSDMD and up-regulated NLRP3/Caspase-1 proteins. However, GSH, SIRT1, and Nrf2 levels were reduced in cervical tissue. VIN significantly alleviates all biochemical and histopathological abnormalities. VIN considerably mitigates EB-induced cervical hyperkeratosis via NLRP3-induced pyroptosis and SIRT1/Nrf2 signaling pathway.
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