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Search: (WFRF:(Aaby Peter)) hsvcat:3 > (2005-2009) > Studies on toll-lik...

  • Nowroozalizadeh, SalmaKarolinska Institutet (author)

Studies on toll-like receptor stimuli responsiveness in HIV-1 and HIV-2 infections

  • Article/chapterEnglish2009

Publisher, publication year, extent ...

  • Elsevier BV,2009

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:c63ef6a7-b34f-431b-8ae7-104d2d99da1a
  • https://lup.lub.lu.se/record/1442290URI
  • https://doi.org/10.1016/j.cyto.2009.03.003DOI
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:118892382URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Background: HIV-1 and HIV-2 are two related viruses with distinct clinical outcomes, where HIV-1 is more pathogenic and transmissible than HIV-2. The pathogenesis of both infections is influenced by the dysregulation and deterioration of the adaptive immune system. However, their effects on the responsiveness of innate immunity are less well known. Here, we report on toll-like receptor (TLR) stimuli responsiveness in HIV-1 or HIV-2 infections. Methods: Whole blood from 235 individuals living in Guinea-Bissau who were uninfected, infected with HIV-1, infected with HIV-2, and/or infected with HTLV-1, was stimulated with TLR7/8 and TLR9 agonists, R-848 and unmethylated CpG DNA. After TLR7/8 and TLR9 stimuli, the expression levels of IL-12 and IFN-alpha were related to gender, age, infection status, CD4(+) T cell counts. and plasma viral load. Results: Defective TLR9 responsiveness was observed in the advanced disease stage, along with CD4(+) T cell loss in both HIV-1 and HIV-2 infections. Moreover, TLR7/8 responsiveness was reduced in HIV-1 infected individuals compared with uninfected controls. Conclusions: Innate immunity responsiveness can be monitored by whole blood stimulation. Both advanced HIVA and HIV-2 infections may cause innate immunity dysregulation. (C) 2009 Elsevier Ltd. All rights reserved.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Månsson, FredrikLund University,Lunds universitet,Enheten för infektionssjukdomar,Forskargrupper vid Lunds universitet,Infectious Diseases Research Unit,Lund University Research Groups(Swepub:lu)mmb-fma (author)
  • da Silva, Zacarias (author)
  • Repits, JohannaLund University,Lunds universitet,Avdelningen för medicinsk mikrobiologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Medical Microbiology,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)mmb-jre (author)
  • Dabo, Braima (author)
  • Pereira, Carla (author)
  • Biague, Antonio (author)
  • Albert, JanKarolinska Institutet (author)
  • Nielsen, Jens (author)
  • Aaby, Peter (author)
  • Fenyö, Eva MariaLund University,Lunds universitet,Avdelningen för medicinsk mikrobiologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Medical Microbiology,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)mmb-emf (author)
  • Norrgren, HansLund University,Lunds universitet,Infektionsmedicin,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Infection Medicine (BMC),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)infek-hn (author)
  • Holmgren, Birgitta GLund University,Lunds universitet,Avdelningen för medicinsk mikrobiologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Medical Microbiology,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)mmb-bho (author)
  • Jansson, MarianneKarolinska Institutet,Lund University,Lunds universitet,Avdelningen för medicinsk mikrobiologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Medical Microbiology,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)mmb-mj0 (author)
  • Karolinska InstitutetEnheten för infektionssjukdomar (creator_code:org_t)

Related titles

  • In:Cytokine: Elsevier BV46:3, s. 325-3311096-00231043-4666

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  • Cytokine (Search for host publication in LIBRIS)

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