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Semin Immunol. 2009 Aug;21(4):175-84. doi: 10.1016/j.smim.2009.05.003. Epub 2009 Jun 2.

Innate immune sensing and activation of cell surface Toll-like receptors.

Author information

1
Department of Microbiology and College of Medicine, University of Illinois, Urbana, IL 61801, USA. tapping@illinois.edu

Abstract

The expansion of sensing function by cell surface Toll-like receptors (TLRs) has grown to include not only more diverse viral, bacterial, fungal and protozoan surface components, but also a plethora of endogenous molecules arising from host cell and tissue damage as well as the inflammatory response itself. This flexibility in recognition is accommodated not only by physical and structural features of the TLRs themselves, but also by additional innate immune receptors, soluble molecules and subcellular trafficking mechanisms. These events have begun to reveal a remarkable plasticity and complexity within this critical arm of the host innate immune system.

PMID:
19493685
DOI:
10.1016/j.smim.2009.05.003
[Indexed for MEDLINE]

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