Different localization of dendritic cell reservoirs in human immunodeficiency virus-1 subtype B versus subtype E-infected lymph nodes

The presence of p24 protein was studied in lymph nodes from human immunodeficiency virus (HIV)-positive patients affected by persistent generalized lymphadenopathy. Paraffinembedded lymph node sections from 50 HIV-1 subtype Einfected lymph nodes from patients in Thailand and 25 HIV-1 presumably subt...

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Bibliographic Details
Main Authors: Bhoopat L., Rithaporn T.S., Lekawanvijit S., Taylor C.R., Levine A.M., Bhoopat T.
Format: Article
Language:English
Published: 2014
Online Access:http://www.scopus.com/inward/record.url?eid=2-s2.0-0037898999&partnerID=40&md5=20d6c841b291df82d3883b044d510f9a
http://www.ncbi.nlm.nih.gov/pubmed/12777998
http://cmuir.cmu.ac.th/handle/6653943832/3175
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Institution: Chiang Mai University
Language: English
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Summary:The presence of p24 protein was studied in lymph nodes from human immunodeficiency virus (HIV)-positive patients affected by persistent generalized lymphadenopathy. Paraffinembedded lymph node sections from 50 HIV-1 subtype Einfected lymph nodes from patients in Thailand and 25 HIV-1 presumably subtype B-infected lymph nodes from patients in the United States were immunostained with p24 HIV major core and capsid monoclonal antibodies using the streptavidinbiotin immunoperoxidase technique. Positivity for HIV p24 protein was detected in 20 of 22 HIV-1 subtype B infected nodes in which lymphoid follicles were present, with p24 staining demonstrating a reticular pattern within the germinal centers. Interestingly, no case from 50 clade E-infected lymph nodes containing lymphoid follicles had such a reticular pattern in the germinal centers. This difference could be explained by differential infection of subsets of dendritic cells by the two HIV-1 clades, or perhaps by different routes of initial HIV-1 transmission.