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Wright State University

Theses/Dissertations

2016

Ischemic Stroke

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Full-Text Articles in Life Sciences

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 …


Correlating Innate Functional Recovery From Stroke Either With Stem Cell Proliferation And/Or Limb Rehabilitation, Devipriyanka Nagarajan Jan 2016

Correlating Innate Functional Recovery From Stroke Either With Stem Cell Proliferation And/Or Limb Rehabilitation, Devipriyanka Nagarajan

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In the present study 10-12 month female rats were examined for functional recovery from stroke and this recovery was compared with the stem cell/progenitor cell proliferation in the brain (which was measured by Ki67). The cell proliferation indicated by Ki67 showed a 6 fold increase in control animals compared to the rehabilitation animals. The contralateral functional recovery in control animals were 46.6% and in the rehabilitation animals were 24.5%. The physical rehabilitation was carried out to determine if limb rehabilitation can promote greater functional recovery. The results showed that when the animals were made to over use their impaired limb …