Methylene Blue Exerts Anticonvulsant and Neuroprotective Effects on Self-Sustaining Status Epilepticus (SSSE) Induced

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Updated: Feb 16, 2026

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Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus

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Zhi-Qiang Cui1, Wen-Ling Li2, Yan Luo3

  • 1Faculty of Graduate Studies, Hebei Medical University, Shijiazhuang, Hebei, China (mainland).

Medical Science Monitor : International Medical Journal of Experimental and Clinical Research
|January 9, 2018
PubMed

Insights

Methylene blue (MB) demonstrates anticonvulsant and neuroprotective effects against self-sustaining status epilepticus (SSSE) in rats. This study suggests MB may be a valuable adjunctive therapy for epilepsy prevention and treatment.

Area of Science:

  • Neuroscience
  • Pharmacology

Background:

  • Self-sustaining status epilepticus (SSSE) is a severe neurological condition.
  • Investigating novel therapeutic agents for SSSE is crucial.

Purpose of the Study:

  • To evaluate the anticonvulsant and neuroprotective properties of methylene blue (MB).
  • To assess MB's efficacy in a rat model of SSSE induced by basolateral amygdala (BLA) stimulation.

Main Methods:

  • Wistar rats were divided into control, sham, SSSE, and SSSE+MB groups.
  • SSSE was induced via prolonged BLA stimulation; MB was administered intraperitoneally.
  • Seizure activity, oxidative stress markers (MDA/GSH), neuronal survival (Nissl staining), and apoptosis-related proteins (Caspase-3, BCL2, BAX) were assessed.

Main Results:

  • MB significantly reduced seizure duration and frequency.
  • MB treatment attenuated oxidative stress and protected hippocampal neurons (CA1, CA3).
  • MB inhibited apoptosis by modulating Caspase-3, BCL2, and BAX levels.

Conclusions:

  • Methylene blue exhibits significant anticonvulsant and neuroprotective effects in an SSSE model.
  • MB shows potential as an adjuvant therapy for epilepsy management in humans.

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