Toll-like receptor 3

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TLR3
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TLR3
Gene ontology
Molecular function
Cellular component
Biological process
Sources:Amigo / QuickGO
Ensembl
UniProt
RefSeq (mRNA)

NM_003265

NM_126166
NM_001357316
NM_001357317

RefSeq (protein)

NP_003256

NP_569054
NP_001344245
NP_001344246

Location (UCSC)Chr 4: 186.07 – 186.09 MbChr 8: 45.85 – 45.86 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Toll-like receptor 3 (TLR3) also known as CD283 (

macrophages and dendritic cells
.

Function

TLR3 is a member of the toll-like receptor (TLR) family which plays a fundamental role in pathogen recognition and activation of innate immunity. TLRs are highly conserved from Drosophila to humans and share structural and functional similarities. They recognize pathogen-associated molecular patterns (

leukocytes. It recognizes dsRNA associated with viral infection, and induces the activation of IRF3 and NF-κB.[6] Unlike other TLRs, TLR3 uses TRIF as the sole adaptor.[6] IRF3 ultimately induces the production of type I interferons. It may thus play a role in host defense against viruses.[7]

TLR3 recognizes double-stranded

TLR3 displays a protective role in mouse models of atherosclerosis,[10] and activation of TLR3 signaling is associated with ischemic preconditioning-induced protection against brain ischemia and attenuation of reactive astrogliosis.[11][12] Furthermore, TLR3 activation has been shown to promote hair follicle regeneration in skin wound healing.[13] In addition, TLR3 activators show effects on human vascular cells.[10]

Structure

The structure of TLR3 was reported in June 2005 by researchers at

amino acids
, which may be a binding site for negatively charged double-stranded RNA.

Despite being a glycoprotein, TLR3 crystallises readily – a prerequisite for structural analysis by x-ray crystallography.

Ligands

Antagonists

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000164342Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000031639Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. PMID 9435236
    .
  6. ^ .
  7. ^ "Entrez Gene: toll-like receptor 3".
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Further reading

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

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