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Ischemic Stroke

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Full-Text Articles in Physiology

Examination Of A Post-Stroke Drug Treatment For Its Effect On Blood Brain Barrier Permeability, And Gene Expression Changes In The Peri-Infarct Region, Ankita Anil Patel Jan 2016

Examination Of A Post-Stroke Drug Treatment For Its Effect On Blood Brain Barrier Permeability, And Gene Expression Changes In The Peri-Infarct Region, Ankita Anil Patel

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In this current study, we have investigated this a combination of fluoxetine, simvastatin and ascorbic acid administered daily beginning at 20-26 hours after stroke induction. We hope to understand therapeutic abilities by studying its effectiveness on the blood brain barrier permeability and gene expression changes of the microglial subtypes involved in neuro-inflammation and neurogenesis factors in the peri-infarct region. Our results indicate that S-enantiomer of fluoxetine may be more beneficial compared to the R-enantiomer. The S-enantiomer was effective in tightening the blood brain barrier in contrast to the R-enantiomer, in which the latter showed a greater Evans Blue dye permeability …


The Use Of Doublecortin To Quantify The Effects Of Pharmacological Treatment On Neurogenesis And Functional Recovery After Stroke, Amber Lee Hensley Jan 2016

The Use Of Doublecortin To Quantify The Effects Of Pharmacological Treatment On Neurogenesis And Functional Recovery After Stroke, Amber Lee Hensley

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Ischemic strokes account for 87% of all strokes and can have debilitating effects on language, sensory, and motor skills. Currently, tPA is the only medication approved by the FDA for the treatment of ischemic stroke, but the window of time to administer the drug is very small. In this thesis, we investigate the use of a simvastatin and fluoxetine drug combination (FS) as a possible treatment for ischemic stroke victims. To analyze the effects of FS on neurogenesis and functional recovery, we utilize the Montoya Staircase and quantify the amount of neurogenesis using doublecortin. Although the results of this study …


Comparing Two Different Statins In A Delayed Pharmacological Treatment For Ischemic Stroke, Kailyn M. Hagerty Jan 2012

Comparing Two Different Statins In A Delayed Pharmacological Treatment For Ischemic Stroke, Kailyn M. Hagerty

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Stroke is one of the leading causes of death and the top cause of long term disability. Currently there exists no standardized treatment of care for ischemic stroke patients during the days following stroke other than giving aspirin. A drug combination containing fluoxetine, one of two statins, and ascorbic acid was used to try and improve motor function following strokes in rats. Endothelin induced stroke survival surgery was performed on the right cortex of Long Evans and Sprague Dawley rats. Functional tests were completed pre- and post-surgery and immunohistochemistry was carried out to analyze infarct volume, angiogenesis, and the glial …


The Use Of Forelimb Asymmetry Functional Tests To Determine Motor Recovery With Various Drug Treatments Following Endothelin-Induced Stroke, Kelly Rebecca Leach Jan 2012

The Use Of Forelimb Asymmetry Functional Tests To Determine Motor Recovery With Various Drug Treatments Following Endothelin-Induced Stroke, Kelly Rebecca Leach

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Our laboratory has found increased functional recovery post-stroke with Long Evans rats that received a combination of fluoxetine, simvastatin, and vitamin C. The objectives of this study were to test that treatment and other drug combinations on Sprague Dawley rats, to determine whether Forelimb Asymmetry is a reliable behavioral measure for stroke studies, and to determine the most optimal surgical procedure on Sprague Dawley rats. There were more significant increases in functional recovery observed on the Forelimb Asymmetry than on Montoya Staircase behavioral tests, but there were no significant differences between treatment groups and control. The largest number of rats …