High IL-10 production by aged AIDS patients is related to high frequency of Tr-1 phenotype and low in vitro viral replication

Copyright © 2012 Elsevier Inc. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 145(2012), 1 vom: 24. Okt., Seite 31-43
1. Verfasser: Andrade, Regis M (VerfasserIn)
Weitere Verfasser: Hygino, Joana, Kasahara, Taissa M, Vieira, Morgana M, Xavier, Luciana F, Blanco, Bernardo, Damasco, Paulo V, Silva, Rodrigo M, Lima, Dirce B, Oliveira, Ariane L, Lemos, Alberto S, Andrade, Arnaldo F B, Bento, Cleonice A M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Antibodies, Monoclonal Antiviral Agents IL10 protein, human IL6 protein, human Interleukin-1beta Interleukin-6 Interleukin-10 130068-27-8
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245 1 0 |a High IL-10 production by aged AIDS patients is related to high frequency of Tr-1 phenotype and low in vitro viral replication 
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520 |a This work aims to elucidate the effects of age and HIV-1 infection on the frequency and function of T cell subsets in response to HIV-specific and non-specific stimuli. As compared with the younger AIDS group, the frequencies of naive and central memory T cells were significantly lower in aged AIDS patients. Although there was also a dramatic loss of classical CD4(+)FoxP3(+)CD25(+)Treg cells in this patient group, high frequencies of IL-10-producing CD4(+)FoxP3(-) T cells were observed. In our system, the increased production of IL-10 in aged AIDS patients was mainly derived from Env-specific CD4(+)FoxP3(-)CD152(+) T cells. Interestingly, while the blockade of IL-10 activity by monoclonal antibody clearly enhanced the release of IL-6 and IL-1β by Env-stimulated PBMC cultures from aged AIDS patients, this monoclonal antibody enhanced in vitro HIV-1-replication. In conclusion, HIV infection and aging undoubtedly contribute synergistically to a complex immune dysfunction in T cell compartment of HAART-treated older HIV-infected individuals 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Antibodies, Monoclonal  |2 NLM 
650 7 |a Antiviral Agents  |2 NLM 
650 7 |a IL10 protein, human  |2 NLM 
650 7 |a IL6 protein, human  |2 NLM 
650 7 |a Interleukin-1beta  |2 NLM 
650 7 |a Interleukin-6  |2 NLM 
650 7 |a Interleukin-10  |2 NLM 
650 7 |a 130068-27-8  |2 NLM 
700 1 |a Hygino, Joana  |e verfasserin  |4 aut 
700 1 |a Kasahara, Taissa M  |e verfasserin  |4 aut 
700 1 |a Vieira, Morgana M  |e verfasserin  |4 aut 
700 1 |a Xavier, Luciana F  |e verfasserin  |4 aut 
700 1 |a Blanco, Bernardo  |e verfasserin  |4 aut 
700 1 |a Damasco, Paulo V  |e verfasserin  |4 aut 
700 1 |a Silva, Rodrigo M  |e verfasserin  |4 aut 
700 1 |a Lima, Dirce B  |e verfasserin  |4 aut 
700 1 |a Oliveira, Ariane L  |e verfasserin  |4 aut 
700 1 |a Lemos, Alberto S  |e verfasserin  |4 aut 
700 1 |a Andrade, Arnaldo F B  |e verfasserin  |4 aut 
700 1 |a Bento, Cleonice A M  |e verfasserin  |4 aut 
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773 1 8 |g volume:145  |g year:2012  |g number:1  |g day:24  |g month:10  |g pages:31-43 
856 4 0 |u http://dx.doi.org/10.1016/j.clim.2012.08.002  |3 Volltext 
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