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Summary: Innate immunity to intracellular pathogens encompasses a range of interactions of cellular and humoral activities of the host with the invading microorganism, determining the outcome of infection. Here, we review the particular role of macrophage recognition receptors and effector responses in the uptake of microbes and their products. We place this in context and raise issues for discussion...
Scavenger receptors (SR) are expressed by myeloid cells (macrophages and dendritic cells) and certain endothelial cells. They play an important role in uptake and clearance of effete components, such as modified host molecules and apoptotic cells. They bind and internalise micro-organisms and their products including Gram-positive bacteria (lipoteichoic acid), Gram-negative bacteria (lipopolysaccharide),...
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