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Stroke

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Full-Text Articles in Pharmacology, Toxicology and Environmental Health

Examining Infarct Sizes In Female Sprague Dawley Rats In Response To A Delayed Post-Stroke Pharmacological Treatment In Combination With Physical Rehabilitation, Sayali Ravindra Dharmadhikari Jan 2016

Examining Infarct Sizes In Female Sprague Dawley Rats In Response To A Delayed Post-Stroke Pharmacological Treatment In Combination With Physical Rehabilitation, Sayali Ravindra Dharmadhikari

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In this study, we hypothesize that a pharmacological drug treatment comprised of Fluoxetine, Simvastatin and Ascorbic acid together with physical rehabilitation would reduce infarct sizes. Over the period of 60 days after stroke-induction, 13 of the 23 rats were administered the drugs beginning 20-26 hours after stroke-induction and the rest were assigned to the control group. Physical rehabilitation exercises were initiated from poststroke day 8 and continued for 23 alternate days. The rats were tested for functional recovery using Montoya staircase apparatus and were euthanized after post-stroke day 60. The brains sections were analyzed using Nissl stain for infarct volume …


Ischemic Stroke In Type Ii Diabetic Mice: Deregulation Of Sdf-1a/Cxcr4 Axis, Avik Das Jan 2009

Ischemic Stroke In Type Ii Diabetic Mice: Deregulation Of Sdf-1a/Cxcr4 Axis, Avik Das

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Type 2 diabetes mellitus is a major risk factor for ischemic stroke. Also diabetes is associated with poor outcome after stroke. Underlying mechanisms are however not fully understood. Alteration in the expression of the SDF-1a/CXCR4 axis, which is important for ischemic tissue repair, can be a probable cause. In this study, we have determined the expression of SDF-1a/CXCR4 in the brains of type II diabetic mice at basal and in response to ischemic stroke and have investigated a method for overexpression of SDF-1a in the brains of the diabetic mice. Adult male C57BLKS/J mice (db/db) of age 8 weeks were …


Angiotensin At1 Receptor Blockade Protects The Brain From Ischemic Damage, Madhuri Penchikala Jan 2007

Angiotensin At1 Receptor Blockade Protects The Brain From Ischemic Damage, Madhuri Penchikala

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Angiotensin (Ang) AT1 receptors are considered to play an important role in ischemic stroke via degenerative processes leading to cell death. Recent clinical and basic studies show that systemic blockade of Ang AT1 receptors reduces brain lesion in ischemic stroke. In this study we evaluated whether blockade of central Ang AT1 receptors protects the brain from ischemia and inflammation during ischemic stroke. Adult male C57BL/6 mice were divided into two groups for chronic intracerebroventricular (ICV) infusion of a selective Ang AT1 receptor antagonist, losartan (Los, n=18, 2 ug/hr) or isotonic saline (Con, n=20) using osmotic minipump. Twelve days post infusion, …