ArticleNaunyn-Schmiedeberg's archives of pharmacology2025
Anticonvulsant effects of noscapine against status epilepticus induced by lithium-pilocarpine in rats: involvement of Nrf2/HO-1 and NLRP3 pathways.
Article in Naunyn-Schmiedeberg's archives of pharmacology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
This study investigates the efficacy of noscapine in mitigating lithium-pilocarpine-induced Status epilepticus (SE) in rats and explores its impact on Nrf2/HO-1/NLRP3 signaling pathways, along with IL-1β and IL-18 modulation. SE was induced in male rats using lithium (127 mg/kg, intraperitoneal (i.p.)) and pilocarpine (60 mg/kg, i.p.). Noscapine (0.1, 1, 3, 10, 30, 100 mg/kg, i.p.) or its vehicle was administered 30 min before the SE induction. Seizure activity was monitored, and the effective dose of noscapine was identified. Western blotting was performed to analyze the expression levels of Nrf2, HO-1, and NLRP3, while ELISA was used to measure IL-1β and IL-18 levels, all in the hippocampus, which is critically involved in epilepsy pathophysiology. Noscapine at 30 mg/kg significantly (p < 0.01) reduced seizure severity and duration. Molecular analysis revealed that noscapine modulated the Nrf2/HO-1/NLRP3 pathway and reduced levels of pro-inflammatory cytokines IL-1β and IL-18 (p < 0.01). Noscapine exhibits potent anticonvulsive effects in a lithium-pilocarpine model of SE in rats, likely mediated through modulation of the Nrf2/HO-1 pathway and the NLRP3 inflammasome pathways. Further studies are warranted to explore its therapeutic potential in epilepsy.
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