甲壳素载体壳聚糖纳米粒子可改善皮质类药物诱发的小鼠颞叶癫痫及相关神经行为改变:ROS/TNF-α-NLRP3炎性体通路的作用

IF 4.2 2区 医学 Q2 MEDICINE, RESEARCH & EXPERIMENTAL
Sagar Mahawar , Debarati Rakshit , Inklisan Patel , Swati Kailas Gore , Srijita Sen , Om Prakash Ranjan , Awanish Mishra
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引用次数: 0

摘要

在临床前研究中,鱼腥草素显示出了作为抗惊厥药的潜力,但还缺乏临床验证。低溶解度和快速代谢等挑战可能会限制其疗效。本研究探索了壳聚糖纳米颗粒(NP)中的鱼藤素,以解决这些问题。我们利用小鼠皮洛卡品诱导的颞叶癫痫模型,评估了鱼黄素 NP 的抗惊厥和神经保护作用。在给予亚治疗剂量的游离鱼藤素和鱼藤素 NP 后,对皮洛卡品诱导的癫痫发作和相关神经行为障碍进行了评估。评估了不同脑区的 ROS、炎症细胞因子和 NLRP3/IL-18 表达的变化。研究结果表明,鱼腥草素 NP 对癫痫发作以及相关的抑郁样行为和记忆损伤具有保护作用。此外,生化和组织学检查也支持了行为学研究结果,表明 ROS/TNF-α-NLRP3 炎性体通路的衰减是鱼腥草素 NP 的一种神经保护机制。这些发现凸显了使用鱼腥草素 NP 治疗癫痫改善了鱼腥草素的药效学,表明这是一种很有前景的治疗癫痫和相关行为缺陷的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Fisetin-loaded chitosan nanoparticles ameliorate pilocarpine-induced temporal lobe epilepsy and associated neurobehavioral alterations in mice: Role of ROS/TNF-α-NLRP3 inflammasomes pathway

Fisetin-loaded chitosan nanoparticles ameliorate pilocarpine-induced temporal lobe epilepsy and associated neurobehavioral alterations in mice: Role of ROS/TNF-α-NLRP3 inflammasomes pathway

Fisetin has displayed potential as an anticonvulsant in preclinical studies yet lacks clinical validation. Challenges like low solubility and rapid metabolism may limit its efficacy. This study explores fisetin-loaded chitosan nanoparticles (NP) to address these issues. Using a murine model of pilocarpine-induced temporal lobe epilepsy, we evaluated the anticonvulsant and neuroprotective effects of fisetin NP.

Pilocarpine-induced seizures and associated neurobehavioral deficits were assessed after administering subtherapeutic doses of free fisetin and fisetin NP. Changes in ROS, inflammatory cytokines, and NLRP3/IL-18 expression in different brain regions were estimated.

The results demonstrate that the fisetin NP exerts protection against seizures and associated depression-like behavior and memory impairment. Furthermore, biochemical, and histological examinations supported behavioral findings suggesting attenuation of ROS/TNF-α-NLRP3 inflammasome pathway as a neuroprotective mechanism of fisetin NP. These findings highlight the improved pharmacodynamics of fisetin using fisetin NP against epilepsy, suggesting a promising therapeutic approach against epilepsy and associated behavioral deficits.

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来源期刊
CiteScore
11.10
自引率
0.00%
发文量
133
审稿时长
42 days
期刊介绍: The mission of Nanomedicine: Nanotechnology, Biology, and Medicine (Nanomedicine: NBM) is to promote the emerging interdisciplinary field of nanomedicine. Nanomedicine: NBM is an international, peer-reviewed journal presenting novel, significant, and interdisciplinary theoretical and experimental results related to nanoscience and nanotechnology in the life and health sciences. Content includes basic, translational, and clinical research addressing diagnosis, treatment, monitoring, prediction, and prevention of diseases.
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