{"title":"Photochemically induced ischemic stroke in rats.","authors":"Antje Schmidt, Maike Hoppen, Jan-Kolja Strecker, Kai Diederich, Wolf-Rüdiger Schäbitz, Matthias Schilling, Jens Minnerup","doi":"10.1186/2040-7378-4-13","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>Photothrombosis was introduced as a model of ischemic stroke by Watson et al. in 1985. In the present paper, we describe a protocol to induce photothrombotic infarcts in rats.</p><p><strong>Findings: </strong>The photosensitive dye Bengal Rose is intravenously administered and a laser beam is stereotactically positioned onto the skull. Illumination through the intact skull leads to local activation of Bengal Rose, which results in free radical formation, disturbance of endothelial function and thrombus formation in illuminated small cortical vessels.</p><p><strong>Conclusions: </strong>Photochemically induced infarcts cause long-term sensorimotor deficits, allow long-term survival and are particularly suitable to assess the effectiveness of neuroregenerative therapies in chronic stroke studies.</p>","PeriodicalId":12158,"journal":{"name":"Experimental & Translational Stroke Medicine","volume":"4 1","pages":"13"},"PeriodicalIF":0.0000,"publicationDate":"2012-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1186/2040-7378-4-13","citationCount":"53","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Experimental & Translational Stroke Medicine","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1186/2040-7378-4-13","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 53
Abstract
Background: Photothrombosis was introduced as a model of ischemic stroke by Watson et al. in 1985. In the present paper, we describe a protocol to induce photothrombotic infarcts in rats.
Findings: The photosensitive dye Bengal Rose is intravenously administered and a laser beam is stereotactically positioned onto the skull. Illumination through the intact skull leads to local activation of Bengal Rose, which results in free radical formation, disturbance of endothelial function and thrombus formation in illuminated small cortical vessels.
Conclusions: Photochemically induced infarcts cause long-term sensorimotor deficits, allow long-term survival and are particularly suitable to assess the effectiveness of neuroregenerative therapies in chronic stroke studies.
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