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PMID |
Sentence |
1 |
15809303
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Furthermore, we show that whereas mycobacterial heat shock protein 65 signals exclusively through Toll-like receptor 4, heat shock protein 70 also signals through Toll-like receptor 2.
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2 |
15809303
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Mycobacterial heat shock protein 65-induced NF-kappaB activation was MyD88-, TIRAP-, TRIF-, and TRAM-dependent and required the presence of MD-2.
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3 |
16245793
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MyD88/TRIF double defi-indicating that innate immunity is involved in anti-mycobacterial infection. (1) SNP (single nucleotide polymorphism) analysis in association with Mycobacterium tuberculosis: Taro SHIRAKAWA (Department of Health Promotion & Human Behavior, Kyoto University Medical School, and RIKEN SRC Center) Candidate gene approach was made on 18 SNPs in 11 genes in association with M. tuberculosis.
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4 |
16245793
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In TLR signaling pathways, Toll/IL-1 receptor (TIR) domain-containing adaptors, such as MyD88, TIRAP, TRIF, and TRAM, have been shown to play pivotal roles.
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5 |
16245793
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MyD88/TRIF double deficient mice, in which TLR-dependent activation of innate immunity is abolished, showed high sensitivity to mycobacterial infection, indicating that innate immunity is critically involved in anti-mycobacterial responses.
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6 |
17334664
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By elucidating the mechanisms of TLR signalling pathways involving adapter molecules like MyD88, Mal, TRIF and TRAM combined with the identification of single nucleotide polymorphisms (SNPs) within these receptors and the unique genes that are expressed upon recognition, will assist in the development of therapeutics to alleviate the consequences of microbial-mediated inflammation, which include inflammatory disorders and septic shock.
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7 |
20809414
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Dimerization between either of the two avian TLR2 species and TLR1La or 1Lb permits recognition of the same broad range of molecules as recognized by mammalian TLR2 dimerized with either TLR1, 6 and 10.
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8 |
20809414
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Components of downstream TLR signaling are also mostly conserved but with some losses in avian species; notably, TRAM is absent in avian genomes and, hence, the TRIF/TRAM-dependent signaling pathway utilized by mammals in LPS activation appears to be absent in birds.
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9 |
23844129
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Separating volunteers into high and low responders on the basis of T cell responses to 85A peptides measured during the trial, an expansion of circulating CD4+ CD25+ Foxp3+ cells is seen in low but not high responders.
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10 |
23844129
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In a classification model, combined expression levels of TLR1, TICAM2 and CD14 on day of vaccination and CTLA4 and IL2Rα two days post-vaccination can classify high and low responders with over 80% accuracy.
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11 |
23844129
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Furthermore, administering MVA85A in mice with anti-TLR2 antibodies may abrogate high responses, and neutralising antibodies to TLRs 1, 2 or 6 or HMGB1 decrease CXCL2 production during in vitro stimulation with MVA85A.
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12 |
24821968
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Elmo1 and Elmo2 are highly homologous cytoplasmic adaptor proteins that interact with Dock family guanine nucleotide exchange factors to promote activation of the small GTPase Rac.
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13 |
24821968
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In T lymphocytes, Dock2 is essential for CCR7- and CXCR4-dependent Rac activation and chemotaxis, but the role of Elmo proteins in regulating Dock2 function in primary T cells is not known.
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14 |
24821968
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In this article, we show that endogenous Elmo1, but not Elmo2, interacts constitutively with Dock2 in mouse and human primary T cells.
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15 |
24821968
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CD4(+) T cells from Elmo1(-/-) mice were profoundly impaired in polarization, Rac activation, and chemotaxis in response to CCR7 and CXCR4 stimulation.
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16 |
24821968
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Transfection of full-length Elmo1, but not Elmo2 or a Dock2-binding mutant of Elmo1, rescued defective migration of Elmo1(-/-) T cells.
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17 |
24821968
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Interestingly, Dock2 protein levels were reduced by 4-fold in Elmo1(-/-) lymphocytes despite normal levels of Dock2 mRNA.
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18 |
24821968
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Dock2 polyubiquitination was increased in Elmo1(-/-) T cells, and treatment with proteasome inhibitors partially restored Dock2 levels in Elmo1(-/-) T cells.
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19 |
24821968
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Finally, we show that Dock2 is directly ubiquitinated in CD4(+) T cells and that Elmo1 expression in heterologous cells inhibits ubiquitination of Dock2.
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20 |
24821968
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Taken together, these findings reveal a previously unknown, nonredundant role for Elmo1 in controlling Dock2 levels and Dock2-dependent T cell migration in primary lymphocytes.
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21 |
24821968
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This work provides valuable insights into the molecular regulation of Dock2 by Elmo1 that can be used to design improved inhibitors that target the Elmo-Dock-Rac signaling complex.
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22 |
25211222
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The TIR-domain containing adaptor TRAM is required for TLR7 mediated RANTES production.
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23 |
25211222
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TRIF related adaptor molecule (TRAM) plays a vital role in TLR4 signaling by recruiting TRIF to TLR4, followed by endosomal trafficking of the complex and initiation of IRF3 dependent type I interferon production as well as NF-κB dependent pro-inflammatory cytokine production.
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24 |
25211222
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Towards understanding the molecular mechanisms that regulate TLR7 functionality, we found that TRAM(-/-) murine macrophages exhibited a transcriptional and translational impairment in TLR7 mediated RANTES, but not TNFα, production.
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25 |
25211222
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Suppression of TRAM expression in human macrophages also resulted in an impairment in TLR7 mediated CCL5 and IFN-β, but not TNFα, gene induction.
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26 |
25211222
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Additionally, TRAM-G2A dose-dependently inhibited TLR7 mediated activation of CCL5, IFNβ and IFNα reporter genes.
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27 |
25211222
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TLR7-mediated phosphorylation and nuclear translocation of IRF3 was impaired in TRAM(-/-) cells.
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28 |
25211222
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Finally, co-immunoprecipitation studies indicated that TRAM physically interacts with MyD88 upon TLR7 stimulation, but not under basal conditions.
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29 |
25211222
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Our results clearly demonstrate that TRAM plays a, hitherto unappreciated, role in TLR7 signaling through a novel signaling axis containing, but not limited to, MyD88, TRAM and IRF3 towards the activation of anti-viral immunity.
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