G P Ballough, F J Cann, C D Smith, J S Forster, C E Kling, M G Filbert
{"title":"GM1 monosialoganglioside pretreatment protects against soman-induced seizure-related brain damage.","authors":"G P Ballough, F J Cann, C D Smith, J S Forster, C E Kling, M G Filbert","doi":"10.1007/BF02815133","DOIUrl":null,"url":null,"abstract":"<p><p>The effects of GM1 monosialoganglioside pretreatment on brain damage resulting from soman-induced seizure activity were examined in this study. Male Sprague-Dawley rats were infused with GM1 via an osmotic minipump connected through a permanent cannula implanted intracerebroventricularly and challenged with soman (83 micrograms/kg, i.e., 1.25 x LD50) 4 d after initiation of GM1 infusion. Electrocorticographic recordings were monitored via indwelling cortical electrodes. Twenty-seven hours after soman administration, anesthetized rats were euthanized via transcardial perfusion with buffered paraformaldehyde. Brains were processed for hematoxylin and eosin (H&E), cresyl violet (CV), and acetylcholinesterase (AChE) histochemistry, and glial fibrillary acidic protein (GFAP) and microtubule-associated protein 2 (MAP2) immunohistochemistry. All soman-challenged rats not infused with GM1 (n = 14) developed status epilepticus (SE).</p>","PeriodicalId":18736,"journal":{"name":"Molecular and chemical neuropathology","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1998-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/BF02815133","citationCount":"19","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Molecular and chemical neuropathology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/BF02815133","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 19
Abstract
The effects of GM1 monosialoganglioside pretreatment on brain damage resulting from soman-induced seizure activity were examined in this study. Male Sprague-Dawley rats were infused with GM1 via an osmotic minipump connected through a permanent cannula implanted intracerebroventricularly and challenged with soman (83 micrograms/kg, i.e., 1.25 x LD50) 4 d after initiation of GM1 infusion. Electrocorticographic recordings were monitored via indwelling cortical electrodes. Twenty-seven hours after soman administration, anesthetized rats were euthanized via transcardial perfusion with buffered paraformaldehyde. Brains were processed for hematoxylin and eosin (H&E), cresyl violet (CV), and acetylcholinesterase (AChE) histochemistry, and glial fibrillary acidic protein (GFAP) and microtubule-associated protein 2 (MAP2) immunohistochemistry. All soman-challenged rats not infused with GM1 (n = 14) developed status epilepticus (SE).
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