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Predicting stroke cause using imaging and RNA profiling

Katie Kingwell
No abstract text is available yet for this article.
July 2012: Nature Reviews. Neurology
Glen C Jickling, Boryana Stamova, Bradley P Ander, Xinhua Zhan, Dazhi Liu, Shara-Mae Sison, Piero Verro, Frank R Sharp
BACKGROUND AND PURPOSE: The cause of ischemic stroke remains unclear, or cryptogenic, in as many as 35% of patients with stroke. Not knowing the cause of stroke restricts optimal implementation of prevention therapy and limits stroke research. We demonstrate how gene expression profiles in blood can be used in conjunction with a measure of infarct location on neuroimaging to predict a probable cause in cryptogenic stroke. METHODS: The cause of cryptogenic stroke was predicted using previously described profiles of differentially expressed genes characteristic of patients with cardioembolic, arterial, and lacunar stroke...
August 2012: Stroke; a Journal of Cerebral Circulation
Frank R Sharp, Glen C Jickling, Boryana Stamova, Yingfang Tian, Xinhua Zhan, Bradley P Ander, Christopher Cox, Beth Kuczynski, Dazhi Liu
A blood test to detect stroke and its causes would be particularly useful in babies, young children, and patients in intensive care units and for emergencies when imaging is difficult to obtain or is unavailable. Whole genome microarrays were used to show specific gene expression profiles in rats 24 hours after ischemic and hemorrhagic stroke, hypoxia, and hypoglycemia. These proof-of-principle studies revealed that groups of genes (called gene profiles) can distinguish ischemic stroke patients from controls within 3 to 24 hours after the strokes...
September 2011: Journal of Child Neurology
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