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J Clin Invest. 2004 Dec;114(12):1699-703.

TB, or not TB: that is the question -- does TLR signaling hold the answer?

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  • 1Atherosclerosis Research Center, Division of Cardiology, Cedars-Sinai Medical Center, Los Angeles, California 90048, USA.

Abstract

Innate immunity critically depends on signaling by Toll-like receptors (TLRs) that rely heavily on an intracellular adapter protein called myeloid differentiation factor 88 (MyD88). Adaptive immune defenses are generally thought to be orchestrated by innate immune responses and so should require intact TLR-MyD88 signaling pathways. But a surprising new study in MyD88-null mice infected with Mycobacterium tuberculosis challenges this view and instead suggests that MyD88 may not be absolutely required for a normal adaptive immune response.

PMID:
15599394
PMCID:
PMC535076
DOI:
10.1172/JCI23867
[PubMed - indexed for MEDLINE]
Free PMC Article
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