Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/121240
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Type: Journal article
Title: Y chromosome gene expression in the blood of male patients with ischemic stroke compared with male controls
Author: Tian, Y.
Stamova, B.
Jickling, G.
Xu, H.
Liu, D.
Ander, B.
Bushnell, C.
Zhan, X.
Turner, R.
Davis, R.
Verro, P.
Pevec, W.
Hedayati, N.
Dawson, D.
Khoury, J.
Jauch, E.
Pancioli, A.
Broderick, J.
Sharp, F.
Citation: Gender Medicine, 2012; 9(2):68-75
Publisher: Elsevier
Issue Date: 2012
ISSN: 1550-8579
1878-7398
Statement of
Responsibility: 
Yingfang Tian, Boryana Stamova, Glen C. Jickling, Huichun Xu, Dazhi Liu, Bradley P. Ander, Cheryl Bushnell, Xinhua Zhan, Renee J. Turner, Ryan R. Davis, Piero Verro, William C. Pevec, Nasim Hedayati, David L. Dawson, Jane Khoury, Edward C. Jauch, Arthur Pancioli, Joseph P. Broderick, and Frank R. Sharp
Abstract: Background: Sex is suggested to be an important determinant of ischemic stroke risk factors, etiology, and outcome. However, the basis for this remains unclear. The Y chromosome is unique in males. Genes expressed in males on the Y chromosome that are associated with stroke may be important genetic contributors to the unique features of males with ischemic stroke, which would be helpful for explaining sex differences observed between men and women. Objective: We compared Y chromosome gene expression in males with ischemic stroke and male controls. Methods: Blood samples were obtained from 40 male patients ≤3, 5, and 24 hours after ischemic stroke and from 41 male controls (July 2003-April 2007). RNA was isolated from blood and was processed using Affymetrix Human U133 Plus 2.0 expression arrays (Affymetrix Inc., Santa Clara, California). Y chromosome genes differentially expressed between male patients with stroke and male control subjects were identified using an ANCOVA adjusted for age and batch. A P < 0.05 and a fold change >1.2 were considered significant. Results: Seven genes on the Y chromosome were differentially expressed in males with ischemic stroke compared with controls. Five of these genes (VAMP7, CSF2RA, SPRY3, DHRSX, and PLCXD1) are located on pseudoautosomal regions of the human Y chromosome. The other 2 genes (EIF1AY and DDX3Y) are located on the nonrecombining region of the human Y chromosome. The identified genes were associated with immunology, RNA metabolism, vesicle fusion, and angiogenesis. Conclusions: Specific genes on the Y chromosome are differentially expressed in blood after ischemic stroke. These genes provide insight into potential molecular contributors to sex differences in ischemic stroke.
Keywords: Blood; gene expression; ischemic stroke; sex; Y chromosome
Rights: © 2012 Elsevier HS Journals, Inc. All rights reserved.
DOI: 10.1016/j.genm.2012.01.005
Grant ID: http://purl.org/au-research/grants/nhmrc/519365
Appears in Collections:Aurora harvest 4
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