Microglia express CCR5, CXCR4, and CCR3, but of these, CCR5 is the principal coreceptor for human immunodeficiency virus type 1 dementia isolates

Andrew V. Albright, Joseph T C Shieh, Takayuki Ito, Benhur Lee, David E Pleasure, Michael J. O'Connor, Robert W. Doms, Francisco González-Scarano

Research output: Contribution to journalArticle

219 Citations (Scopus)

Abstract

Microglia are the main human immunodeficiency virus (HIV) reservoir in the central nervous system and most likely play a major role in the development of HIV dementia (HIVD). To characterize human adult microglial chemokine receptors, we analyzed the expression and calcium signaling of CCR5, CCR3, and CXCR4 and their roles in HIV entry. Microglia expressed higher levels of CCR5 than of either CCR3 or CXCR4. Of these three chemokine receptors, only CCR5 and CXCR4 were able to transduce a signal in microglia in response to their respective ligands, MIP-1β and SDF-1α, as recorded by single-cell calcium flux experiments. We also found that CCR5 is the predominant coreceptor used for infection of human adult microglia by the HIV type 1 dementia isolates HIV-1(DS-br), HIV-1(RC-br), and HIV-1(YU-2), since the anti-CCR5 antibody 2D7 was able to dramatically inhibit microglial infection by both wild-type and single-round luciferase pseudotype reporter viruses. Anti-CCR3 (7B11) and anti-CXCR4 (12G5) antibodies had little or no effect on infection. Last, we found that virus pseudotyped with the DS-br and RC-br envelopes can infect cells transfected with CD4 in conjunction with the G-protein-coupled receptors APJ, CCR8, and GPR15, which have been previously implicated in HIV entry.

Original languageEnglish (US)
Pages (from-to)205-213
Number of pages9
JournalJournal of Virology
Volume73
Issue number1
StatePublished - 1999
Externally publishedYes

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dementia
Human immunodeficiency virus
neuroglia
Microglia
Human immunodeficiency virus 1
Dementia
HIV-1
HIV
Virus Internalization
Chemokine Receptors
Infection
infection
Viruses
viruses
antibodies
Calcium Signaling
luciferase
G-Protein-Coupled Receptors
Luciferases
central nervous system

ASJC Scopus subject areas

  • Immunology

Cite this

Albright, A. V., Shieh, J. T. C., Ito, T., Lee, B., Pleasure, D. E., O'Connor, M. J., ... González-Scarano, F. (1999). Microglia express CCR5, CXCR4, and CCR3, but of these, CCR5 is the principal coreceptor for human immunodeficiency virus type 1 dementia isolates. Journal of Virology, 73(1), 205-213.

Microglia express CCR5, CXCR4, and CCR3, but of these, CCR5 is the principal coreceptor for human immunodeficiency virus type 1 dementia isolates. / Albright, Andrew V.; Shieh, Joseph T C; Ito, Takayuki; Lee, Benhur; Pleasure, David E; O'Connor, Michael J.; Doms, Robert W.; González-Scarano, Francisco.

In: Journal of Virology, Vol. 73, No. 1, 1999, p. 205-213.

Research output: Contribution to journalArticle

Albright, AV, Shieh, JTC, Ito, T, Lee, B, Pleasure, DE, O'Connor, MJ, Doms, RW & González-Scarano, F 1999, 'Microglia express CCR5, CXCR4, and CCR3, but of these, CCR5 is the principal coreceptor for human immunodeficiency virus type 1 dementia isolates', Journal of Virology, vol. 73, no. 1, pp. 205-213.
Albright, Andrew V. ; Shieh, Joseph T C ; Ito, Takayuki ; Lee, Benhur ; Pleasure, David E ; O'Connor, Michael J. ; Doms, Robert W. ; González-Scarano, Francisco. / Microglia express CCR5, CXCR4, and CCR3, but of these, CCR5 is the principal coreceptor for human immunodeficiency virus type 1 dementia isolates. In: Journal of Virology. 1999 ; Vol. 73, No. 1. pp. 205-213.
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