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© Research
Publication : The Journal of general virology

The majority of human immunodeficiency virus type 1 particles present within splenic germinal centres are produced locally

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in The Journal of general virology - 01 Dec 2005

Dumaurier MJ, Gratton S, Wain-Hobson S, Cheynier R

Link to Pubmed [PMID] – 16298984

J. Gen. Virol. 2005 Dec;86(Pt 12):3369-73

In most stages of human immunodeficiency virus (HIV) infection, cell-free viral particles can be detected in germinal centres (GCs) that are principally retained, in the form of immune complexes, on the surface of follicular dendritic cells (FDCs). The source of this virus remains unknown, although it is agreed that the FDCs themselves are not infected productively. By sequencing HIV viral DNA, genomic RNA and spliced mRNA isolated from individual splenic white pulps, it was shown here that the majority of HIV-1 viral particles are produced locally within the supporting lymphoid structure and do not result from trapping of circulating viruses or immune complexes. These findings underline the exquisite spatial organization of HIV-1 replication in vivo, suggesting a local origin for viruses trapped in splenic GCs.

http://www.ncbi.nlm.nih.gov/pubmed/16298984