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Immunology

Interleukin-10 Has Opposite Effects On Dendritic Cells And Macrophages

Published in AIDS Weekly, March 26th, 2001

by Michael Greer, staff medical writer - The cytokine interleukin (IL)-10 can both stimulate and inhibit HIV replication by monocyte-derived cells, according to researchers in France.

Petronela Ancuta and colleagues studied IL-10's effect on replication of the X4 HIV strain by monocyte-derived macrophages and dendritic cells, and on these cells' ability to infect CD4+ T lymphocytes. Surprisingly, they found that while the limited replicative ability of dendritic cells is augmented by the presence of IL-10, exposure to the cytokine shuts down macrophage viral replication.

IL-10 actually affected both types of cells in the same way, Ancuta...

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