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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/28799
Title: Clinical evaluation of a simple image cytometer for CD4 enumeration on hiv-infected patients
Authors: Xiao Li
Christian Breukers
Aurel Ymeti
Kovit Pattanapanyasat
Kasama Sukapirom
Leon W M M Terstappen
Jan Greve
University of Twente
Mahidol University
Keywords: Biochemistry, Genetics and Molecular Biology;Medicine
Issue Date: 28-Jan-2010
Citation: Cytometry Part B - Clinical Cytometry. Vol.78, No.1 (2010), 31-36
Abstract: Background: Affordable, easy-to-use, and reliable CD4+ T lymphocyte enumeration systems are needed in resource-constrained settings to monitor HIV. Methods: A simple image cytometer was used to count fluorescently labeled CD4+ T and CD8+ T lymphocytes from CD3 immunomagnetically selected cells on blood specimens of 460 HIV-1-infected patients in Siriraj Hospital, Bangkok, Thailand. Results were compared with flow cytometry (FCM). Results: CD4+ T lymphocyte counts by image cytometer were comparable (R ≥ 0.97) with those by the FACSCount and the FACScan with a bias of 7.3 and 9.1%, respectively. At very low CD4+ T lymphocyte counts (≤50/μl) some over-count outliers were observed by the FACScan and image cytometer when compared with the FACSCount. For CD8 enumeration, the image cytometer showed a good correlation (R 5 0.96) and a consistent undercount (-17%) when compared with the FACSCount. Conclusions: Evaluation of the image cytometer for CD4 and CD8 enumeration demonstrated comparable results with FCM on a population of HIV-1-infected patients. The image cytometer is a good alternative method for point-of-care settings in resource-constrained countries. © 2009 Clinical Cytometry Society.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=74849123671&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/28799
ISSN: 15524957
15524949
Appears in Collections:Scopus 2006-2010

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