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Blood. 2009 Feb 12;113(7):1399-407. doi: 10.1182/blood-2008-07-019307. Epub 2008 Aug 29.

TLRs and innate immunity.

Author information

1
Department of Genetics, The Scripps Research Institute, La Jolla, CA 92037, USA. bruce@scripps.edu

Abstract

One of the most fundamental questions in immunology pertains to the recognition of non-self, which for the most part means microbes. How do we initially realize that we have been inoculated with microbes, and how is the immune response ignited? Genetic studies have made important inroads into this question during the past decade, and we now know that in mammals, a relatively small number of receptors operate to detect signature molecules that herald infection. One or more of these signature molecules are displayed by almost all microbes. These receptors and the signals they initiate have been studied in depth by random germline mutagenesis and positional cloning (forward genetics). Herein is a concise description of what has been learned about the Toll-like receptors, which play an essential part in the perception of microbes and shape the complex host responses that occur during infection.

PMID:
18757776
PMCID:
PMC2644070
DOI:
10.1182/blood-2008-07-019307
[Indexed for MEDLINE]
Free PMC Article
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