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Linn在实验动物模型中的抗癫痫潜力:对脑内γ-氨基丁酸水平的影响及分子机制。

The antiepileptic potential of Linn in experimental animal models: Effect on brain GABA levels and molecular mechanisms.

作者信息

Alshabi Ali Mohamed, Shaikh Ibrahim Ahmed, Asdaq Syed Mohammed Basheeruddin

机构信息

Department of Clinical Pharmacy, College of Pharmacy, Najran University, Najran, Saudi Arabia.

Department of Pharmacology, College of Pharmacy, Najran University, Najran, Saudi Arabia.

出版信息

Saudi J Biol Sci. 2022 May;29(5):3600-3609. doi: 10.1016/j.sjbs.2022.02.059. Epub 2022 Mar 4.

Abstract

BACKGROUND

Epilepsy is a neurodegenerative condition characterized by uncontrollable convulsions caused by a misalignment of the central nervous system's inhibitory and excitatory branches. Vateria indica is a medicinal herb with anti-inflammatory, anthelmintic, antiulcer, antitumor, and anticancer properties.

OBJECTIVES

To investigate the antiepileptic activity of using maximal electrical shock (MES), pentylenetetrazole (PTZ), and isoniazid (INH) induced experimental animal models.

METHODOLOGY

bark was subjected to Soxhlet extraction using ethanol and quantitative and qualitative analysis was performed. The antiepileptic activity of bark extract (VIE) was investigated using different animal models in mice. GABA levels in the brain and antioxidant capacity were estimated.

RESULTS

Treatment of mice with VIE significantly reversed the MES-induced convulsions, which was reflected by the decrease in the duration (sec) of all the phases of MES-induced convulsions, with an increment in the GABA levels. In the PTZ and INH models, pretreatment with VIE delayed the latency to clonic convulsions ( 0.001), reduced the intensity and duration of clonic convulsions, and reduced the mortality rate in the treatment groups in a dose-dependent manner. VIE intervention dose-dependently restored brain GABA levels. VIE also exhibited significant antioxidant activity.

CONCLUSION

Overall, the findings imply that has substantial antiepileptic activities, mediated by positive GABAergic neurotransmission and antioxidant capabilities. To summarize, may provide adequate protection against epileptic seizures, suggesting that it could be used to treat petitmal and grandmal epilepsy. We plan to provide pure lead compounds derived from in the future in order to better understand the role it could play in the development of natural anticonvulsant drugs.

摘要

背景

癫痫是一种神经退行性疾病,其特征是由中枢神经系统抑制和兴奋分支失调引起的无法控制的抽搐。印度藤黄是一种具有抗炎、驱虫、抗溃疡、抗肿瘤和抗癌特性的草药。

目的

使用最大电休克(MES)、戊四氮(PTZ)和异烟肼(INH)诱导的实验动物模型研究[印度藤黄]的抗癫痫活性。

方法

[印度藤黄]树皮用乙醇进行索氏提取,并进行定量和定性分析。使用不同的小鼠动物模型研究[印度藤黄]树皮提取物(VIE)的抗癫痫活性。估计大脑中的γ-氨基丁酸(GABA)水平和抗氧化能力。

结果

用VIE治疗小鼠可显著逆转MES诱导的抽搐,这表现为MES诱导的抽搐所有阶段的持续时间(秒)减少,同时GABA水平升高。在PTZ和INH模型中,VIE预处理可延迟阵挛性抽搐的潜伏期(P<0.001),降低阵挛性抽搐的强度和持续时间,并以剂量依赖的方式降低治疗组的死亡率。VIE干预以剂量依赖的方式恢复大脑GABA水平。VIE还表现出显著的抗氧化活性。

结论

总体而言,研究结果表明[印度藤黄]具有显著的抗癫痫活性,其介导机制为正向GABA能神经传递和抗氧化能力。总之,[印度藤黄]可能为癫痫发作提供充分的保护,表明它可用于治疗小发作和大发作癫痫。我们计划在未来提供从[印度藤黄]中提取的纯先导化合物,以便更好地了解它在天然抗惊厥药物开发中可能发挥的作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3fe8/9280234/6e5d4e89c177/gr1.jpg

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