Toll-like receptors (TLRs) play a critical role in the detection of invading pathogens within the body and the subsequent immune response. Individual TLRs recognize distinct microbial components. The TLRs are a type 1 transmembrane receptor that possess an extracellular leucine-rich repeat domain and cytoplasmic domain homologous with that of the interleukin 1 receptor (IL-1R) family. Upon stimulation, TLR recruits the IL-1R-associated kinase (IRAK) via the adapter MyD88, ultimately leading to the activation of nuclear factor-κB. Cytokine production in response to all TLR ligands is completely abolished in MyD88-deficient cells, indicating that MyD88 is an essential signalling molecule shared among members of the IL-1R/Toll family. However, several novel adaptor molecules have recently been identified. Evidence is now accumulating showing that differential utilization of these adaptors may activate overlapping as well as distinct signalling pathways, and ultimately give rise to distinct biological effects exerted by individual TLR family members.
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June 01 2003
Role of adapters in Toll-like receptor signalling
S. Akira;
S. Akira
1
Department of Host Defense, Research Institute for Microbial Diseases, Osaka University, ERATO of Japan Science and Technology Corporation, 3-1 Yamada-oka, Suita, Osaka 565-0871, Japan
1To whom correspondence should be addressed (e-mail [email protected]).
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M. Yamamoto;
M. Yamamoto
Department of Host Defense, Research Institute for Microbial Diseases, Osaka University, ERATO of Japan Science and Technology Corporation, 3-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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K. Takeda
K. Takeda
Department of Host Defense, Research Institute for Microbial Diseases, Osaka University, ERATO of Japan Science and Technology Corporation, 3-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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Publisher: Portland Press Ltd
Online ISSN: 1470-8752
Print ISSN: 0300-5127
© 2003 Biochemical Society
2003
Biochem Soc Trans (2003) 31 (3): 637–642.
Citation
S. Akira, M. Yamamoto, K. Takeda; Role of adapters in Toll-like receptor signalling. Biochem Soc Trans 1 June 2003; 31 (3): 637–642. doi: https://doi.org/10.1042/bst0310637
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