CD4+ T cell count as a tool to monitor HIV progression & anti-retroviral therapy.

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dc.contributor.authorPattanapanyasat, Koviten_US
dc.contributor.authorThakar, Madhuri Ren_US
dc.date.accessioned2005-04-09en_US
dc.date.accessioned2009-05-27T07:47:01Z
dc.date.available2005-04-09en_US
dc.date.available2009-05-27T07:47:01Z
dc.date.issued2005-04-09en_US
dc.description47 references.en_US
dc.description.abstractThe CD4+ T lymphocytes are the crucial cells in the orchestral events in forming immune response to the foreign antigen and it is also the primary target cells for human immunodeficiency virus (HIV). The progressive loss of these cells eventually results in the loss of an ability to mount desirable immune response to any pathogen and death of the patients in the terminal stage of HIV infection, i.e., acquired immune deficiency syndrome (AIDS). The longitudinal monitoring of CD4+ counts is used as a monitoring tool for disease progression and effectiveness of antiretroviral treatment. Various methods are being used for determination of absolute CD4+ T lymphocytes from the peripheral blood. To date, the flow cytometry is considered as the gold standard. Different modifications have been tried in the conventional flow cytometry to increase accuracy and cost-effectivity especially for adapting in resource-poor settings. Principles of the conventional and modified methodologies are discussed. The non-flow cytometric methodologies are also there that might be available soon widely. The choice of the methodology should depend upon the purpose of the assay, the age group of the patients, sample turnover and available resources. Importance of maintaining both internal and external quality control systems in every laboratory performing CD4 count estimation are discussed.en_US
dc.description.affiliationCenter of Excellence for Flow Cytometry, Office for Research & Development, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand. grkpy@mahidol.ac.then_US
dc.identifier.citationPattanapanyasat K, Thakar MR. CD4+ T cell count as a tool to monitor HIV progression & anti-retroviral therapy. Indian Journal of Medical Research. 2005 Apr; 121(4): 539-49en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/22052
dc.language.isoengen_US
dc.source.urihttps://icmr.nic.in/ijmr/ijmr.htmen_US
dc.subject.meshAnti-HIV Agents --therapeutic useen_US
dc.subject.meshCD4 Lymphocyte Counten_US
dc.subject.meshEnzyme-Linked Immunosorbent Assayen_US
dc.subject.meshHIV Infections --drug therapyen_US
dc.subject.meshHumansen_US
dc.subject.meshQuality Assurance, Health Careen_US
dc.titleCD4+ T cell count as a tool to monitor HIV progression & anti-retroviral therapy.en_US
dc.typeJournal Articleen_US
dc.typeReviewen_US
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