| Immune status monitoring of HIV/AIDS patients in resource-limited settings: a review with an emphasis on CD4+ T-lymphocyte determination. | |
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MedLine Citation:
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PMID: 22523903 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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CD4 T-lymphocytes play a vital role in maintaining the integrity of the human immune system. They are also the primary target cells for human immunodeficiency virus (HIV). The progressive depletion of these cells eventually results in weakening of the host's immune ability to fight against any pathogen, thus rendering the host susceptible to infections and leading ultimately to death of patients in the terminal stage of acquired immune deficiency syndrome (AIDS). Although several clinical and laboratory parameters have been used for monitoring disease progression and the effectiveness of HIV antiretroviral therapy (ART), it is the simple measurement of CD4+ T-lymphocytes that remains the single and most important parameter for management of HIV-infected patients in resource-limited settings. To date, flow cytometer is considered to be the most accepted technology for both percentage and absolute CD4+ T-lymphocyte determination because of its accuracy, precision and reproducibility. However, flow cytometer based CD4 testing is relatively expensive, complex and thus technically demanding. Simple innovative approaches applicable to the conventional flow cytometric system and new technologies have been successfully developed to increase cost saving especially for use in resource-challenged settings. Principles of the existing dual- and single-platform approaches as well as several affordable CD4 measurement technologies are discussed along with both internal and external quality control systems in the management of laboratories performing CD4 testing. |
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Authors:
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Kovit Pattanapanyasat |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Asian Pacific journal of allergy and immunology / launched by the Allergy and Immunology Society of Thailand Volume: 30 ISSN: 0125-877X ISO Abbreviation: Asian Pac. J. Allergy Immunol. Publication Date: 2012 Mar |
Date Detail:
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Created Date: 2012-04-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8402034 Medline TA: Asian Pac J Allergy Immunol Country: Thailand |
Other Details:
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Languages: eng Pagination: 11-25 Citation Subset: IM |
Affiliation:
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Center of Excellence for Flow Cytometry, Office for Research and Development, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand. grkpy@mahidol.ac.th |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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