نتایج جستجو برای: tlr8

تعداد نتایج: 447  

Journal: :Journal of immunology 2008
Sandra M Sacre Alexandra Lo Bernard Gregory Rachel E Simmonds Lynn Williams Marc Feldmann Fionula M Brennan Brian M Foxwell

The advent of anti-TNF biologicals has been a seminal advance in the treatment of rheumatoid arthritis (RA) and has confirmed the important role of TNF in disease pathogenesis. However, it is unknown what sustains the chronic production of TNF. In this study, we have investigated the anti-inflammatory properties of mianserin, a serotonin receptor antagonist. We discovered mianserin was able to ...

2012
Nikunj M. Shukla Deepak B. Salunke Rajalakshmi Balakrishna Cole A. Mutz Subbalakshmi S. Malladi Sunil A. David

Engagement of toll-like receptors (TLRs) serve to link innate immune responses with adaptive immunity and can be exploited as powerful vaccine adjuvants for eliciting both primary and anamnestic immune responses. TLR7 agonists are highly immunostimulatory without inducing dominant proinflammatory cytokine responses. We synthesized a dendrimeric molecule bearing six units of a potent TLR7/TLR8 d...

2013
P.K. Dubey S. Goyal N. Kumari S.K. Mishra R. Arora R.S. Kataria

In this study the nucleotide diversity in the 5'untranslated region (UTR) of TLR8 gene in riverine as well as swamp buffaloes has been described. Analysis of the 5'UTR of TLR8 gene showed presence of two SNPs in this region, g.-139G>T and g.-128A>G. A PCR-RFLP assay designed for genotyping of g.-139G>T SNP across 667 samples from 2 buffalo populations revealed a striking difference in allele fr...

2011
Carla Russo Ivan Cornella-Taracido Luisa Galli-Stampino Rishi Jain Edmund Harrington Yuko Isome Simona Tavarini Chiara Sammicheli Sandra Nuti M. Lamine Mbow Nicholas M. Valiante John Tallarico Ennio De Gregorio Elisabetta Soldaini

TLR7 and TLR8 are intracellular sensors activated by single-stranded RNA species generated during viral infections. Various synthetic small molecules can also activate TLR7 or TLR8 or both through an unknown mechanism. Notably, direct interaction between small molecules and TLR7 or TLR8 has never been shown. To shed light on how small molecule agonists target TLRs, we labeled 2 imidazoquinoline...

Journal: :Journal of immunology 2009
Laura M Fahey Adam B Raff Diane M Da Silva W Martin Kast

Human papillomavirus (HPV) type 16 infects the epithelial layer of cervical mucosa and is causally associated with the generation of cervical cancer. Langerhans cells (LC) are the resident APCs at the site of infection and therefore are responsible for initiating an immune response against HPV16. On the contrary, LC exposed to HPV16 do not induce a specific T cell immune response, which leads t...

Journal: :Journal of immunology 2005
Jorma Tissari Jukka Sirén Seppo Meri Ilkka Julkunen Sampsa Matikainen

TLRs play a critical role in early innate immune response to virus infection. TLR3 together with TLR7 and TLR8 constitute a powerful system to detect genetic material of RNA viruses. TLR3 has been shown to bind viral dsRNA whereas TLR7 and TLR8 are receptors for viral single-stranded RNA. In this report we show that TLR7 or TLR8 are not expressed in human epithelial A549 cells or in HUVECs. Acc...

Journal: :Blood 2011
Carla Russo Ivan Cornella-Taracido Luisa Galli-Stampino Rishi Jain Edmund Harrington Yuko Isome Simona Tavarini Chiara Sammicheli Sandra Nuti M Lamine Mbow Nicholas M Valiante John Tallarico Ennio De Gregorio Elisabetta Soldaini

TLR7 and TLR8 are intracellular sensors activated by single-stranded RNA species generated during viral infections. Various synthetic small molecules can also activate TLR7 or TLR8 or both through an unknown mechanism. Notably, direct interaction between small molecules and TLR7 or TLR8 has never been shown. To shed light on how small molecule agonists target TLRs, we labeled 2 imidazoquinoline...

Journal: :The oncologist 2008
Evelien L J M Smits Peter Ponsaerts Zwi N Berneman Viggo F I Van Tendeloo

The importance of Toll-like receptors (TLRs) in stimulating innate and adaptive immunity is now well established. In view of this, TLR ligands have become interesting targets to use as stand-alone immunotherapeutics or vaccine adjuvants for cancer treatment. TLR7 and TLR8 were found to be closely related, sharing their intracellular endosomal location, as well as their ligands. In this review, ...

Journal: :Journal of immunology 2015
Tatjana Eigenbrod Karin Pelka Eicke Latz Bernd Kreikemeyer Alexander H Dalpke

Microbial nucleic acids constitute an important group of pathogen-associated molecular patterns (PAMPs) that efficiently trigger innate immune activation. In mice, TLR13 has recently been identified to sense a highly conserved region within bacterial 23S rRNA. However, TLR13 is not expressed in humans, and the identity of its human homolog remains elusive. Moreover, the contribution of bacteria...

Journal: :Journal of immunology 2014
Elif Colak Alasdair Leslie Kieran Zausmer Elham Khatamzas Andriy V Kubarenko Tica Pichulik Sascha N Klimosch Alice Mayer Owen Siggs Andreas Hector Roman Fischer Benedikt Klesser Anna Rautanen Martin Frank Adrian V S Hill Bénédicte Manoury Bruce Beutler Dominik Hartl Alison Simmons Alexander N R Weber

TLRs 7 and 8 are pattern recognition receptors controlling antiviral host defense or autoimmune diseases. Apart from foreign and host RNA, synthetic RNA oligoribonucleotides (ORN) or small molecules of the imidazoquinoline family activate TLR7 and 8 and are being developed as therapeutic agonists. The structure-function relationships for RNA ORN and imidazoquinoline sensing and consequent downs...

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