The aim of this meeting is to provide an overview of these three families of receptors and provide the most recent advances in the area of innate immune pattern recognition. This event has CPD accreditation and will have a troubleshooting panel session.
Meeting chairs: Dr Martha Triantafilou/Professor Kathy Triantafilou, Cardiff University School of Medicine, UK
9:00 – 9:45 Registration
9:45 – 10:00 Introduction by the Chairs: Dr Martha Triantafilou/Professor Kathy Triantafilou, Cardiff University School of Medicine, UK
10:00 – 10:30 Pattern Recognition Receptor recognition of bacterial infection: are all animals created equal?
10:30 – 11:00 Pattern recognition receptor in Gram-negative intracellular infections: friends or foes?
11:00 – 11:30 Speakers’ photo then mid-morning break and trade show
11:30 – 12:00 Ruminant livestock toll-like receptors: informing TLR evolution and function.
12:00 – 12:45 Oral Presentations:
12:00 – 12:15 Inflammatory Response to Footrot in Sheep
12:15 – 12:30 The Role of Toll-Like Receptor 2 and 4 in Behcet’s Disease Pathogenesis
12:30 – 12:45 Cholesterol Oxidase of Mycobacterium Tuberculosis Affects the Toll-Like Receptor 2-Mediated Signaling Pathway in Human Macrophages
12:45 – 13:45 Lunch and trade show
13:45 – 14:45 Question and Answer Session
14:45 - 15:15 Modulation of the innate immune response by C-type lectin receptors
15:15 – 15:45 Afternoon Break
15:45 – 16:15 Connecting innate immunity to autoimmunity
16:15 – 16:45 Transcriptome analysis of cigarette smoke extract induced TLR2-dependent activation of human cells.
16:45 - 17:00 Chairman’s summing up
Keywords: Innate Immunity, DNA sensing, Inflammasome, Type I interferon, RLHs, TLRs, Interferon, rhinovirus, asthma, TLR4, rhinovirus, LPS, TLR, signal transduction, scaffold complexes, NLR, PRR, LPS, Salmonella, Innate Immunity, atherosclerosis, NLRP3, Inflammasome, IL1, infection, immunity TLRS, bacteria, Oxidants, TLRs, Bioinformatics and transcripome, TLR2, TLR5, ovine, bovine, evolution, Autoimmunity, inflammation, toll-like receptors, rheumatoid arthritis, cytokines, Toll-like receptor, NOD-like receptor, Salmonella
Registration Website: www.regonline.co.uk/TOLL2012
About the Chairs
Over the past few years the Triantafilou group has been focusing on unravelling the molecular mechanisms behind the innate recognition of bacterial as well as viral pathogens. In particular, we have focused on the involvement of the Toll like receptor (TLR) family of proteins, a recently identified family of pattern recognition receptors (PRRs), in the innate immune sensing. We have the expertise and the research tools for investigating receptor interactions using bioimaging techniques, such a Fluorescence Resonance Energy Transfer (FRET), Fluorescence Recovery after Photobleaching (FRAP), Single Particle Imaging (SPFI), Single Particle Tracking (SPT), Fluorescent Loss in Photobleaching (FLIP) as well as live cell imaging. Using combinations of these techniques, our group has discovered novel concepts in innate immune recognition of microbial ligands by TLRs and co%operating PRRs. We have been one of the first to demonstrate that the single%receptor concept of innate immune recognition is an oversimplified one and that different combinational associations of receptors determine the innate immune response to different microbial pathogens, using a range of non%invasive biophysical techniques. We performed several studies investigating associations of PRRs in response to bacterial products from Helicobacter pylori,Neisseria meningitidis, and bacterial lipopeptides. Furthermore, we demonstrated that membrane microdomains, or "lipid rafts" play an important role in this receptor cluster formation by providing a microenvironment for these interactions to take place. This was the first ever publication demonstrating that TLRs exist and signal within lipid rafts (making this paper one of the most cited papers in the field). We provided the first dynamic picture of TLR engagement by their ligand by determining the lateral diffusion of receptors involved in the innate immune response before and after stimulation by bacterial products . It has helped us understand the organisation, lateral mobility and confinement of PRRs involved in the innate immune response on the plasma membrane. In addition, using fluorescent imaging, we have revealed that TLR2 exists as a heterodimer prior to ligand engagement, as well as its intracellular trafficking and targeting in response to Gram%positive bacterial products. More recently, we have demonstrated that CXCR4 acts as a negative regulator for TLR2 and its significance in the innate recognition of Porphyromonas gingivalis (Hajishengallis et al. 2008). This was the first study demonstrating that TLR2%CXCR4 association can impair innate immune responses. Finally, we have shown that TLR4, TLR7 and TLR8 are involved in sensing viral products. These were the first studies to reveal how enteroviruses are recognised by the innate immune system.
About the Speakers
Clare Bryant is Professor of Innate Immunity at the Department of Veterinary Medicine in the University of Cambridge. Her work focusses on the studying pattern recognition receptor recognition of bacterial infection in different mammalian species.
Pietro Mastroenis’ is a Reader at the University of Cambridge. He obtained a Degree in Medicine and Surgery at the Univerisity of Messina, Italy prior to moving to the UK where he obtained a PhD at the Department of Pathology of the University of Cambridge and worked as a postdoctoral Fellow at Imperial College, London. His research has established several landmarks in the fields of pathogenesis of bacterial infections, immunity, immunoevasion and vaccine development. His research group is currently pioneering the use of innovative multidisciplinary approaches towards a global understanding of infection dynamics in the face of immunity and vaccination.
David Haig is currently studying innate immunity and virus pathogenesis and control in livestock animals at the new Veterinary School at the University of Nottingham. He graduated from the University of Glasgow with a B.Sc. in Biochemistry and an M.Sc. and Ph.D. from studying the immunology of nematode infections and mast cell biology. He spent a few years at the WHO Immunology Research and Training Centre at the Instituto Butantan, Sao Paulo, Brazil where he set up a Parasitology laboratory and studied immunity to helminth parasites in rodents. He joined the Moredun Research Institute in 1985 and became Head of Immunology then Head of the Division of Virology before leaving for Nottingham in 2007.
Dirk Werling graduated from the University of Veterinary Medicine in Hannover (Germany) in 1991, and received a PhD (DrMedVet) in Virology at the University of Zuerich. This was followed by a Marie Curie Research Fellowship in the lab of Chris Howard at the Institute for Animal Health (IAH Compton, UK). During this time, he gained a Ph.D. in Immunology (University of London). Dirk Werling then moved back to the ETH Zuerich as a group leader and senior scientist, continuing the work started on bovine innate immune cells. In 2001, he was appointed as assistant professor (tenure track) at the Immunology Division at the Institute of Veterinary Virology (University of Bern) under Thomas Jungi, from where he moved to the RVC in 2003. Since 2007, Dirk Werling is Chair and Professor of Molecular Immunology at the RVC.
Sandra Sacre received her PhD in Physiology from University College London in 2000. Sandra then spent one year working at the Royal Free Hospital (University College London) before moving to the Kennedy Institute of Rheumatology (Imperial College London) to work on toll-like receptors in rheumatoid arthritis. In 2009, Sandra moved to Brighton and Sussex Medical School (University of Sussex) where she is currently a Senior Lecturer in Molecular Cell Biology. Sandra Sacre’s research is focused on the role of innate immunity in musculoskeletal diseases including rheumatoid arthritis and systemic lupus erythamatosus.
Mark Paul-Clark is an accomplished researcher with a number of publications in leading journals. He has established a track record in attracting independent funding and contributes significantly to both postgraduate and undergraduate teaching. Mark Paul-Clark's research focuses upon understanding the process of inflammation with a particular interest in oxidants and the damage they cause. Most recently he has concentrated his research into the area of pattern recognition receptors and inflammation. He completed his PhD with Professor Derek Willoughby before joining Professor Roderick Flower and Professor Mauro Perretti for his postdoctoral training. In 2002 heJoined Professor Jane Mitchell's group to study the role of pattern recognition receptors, including Toll like receptors, in inflammation. Since this time Mark Paul-Clark was awarded a Research Fellowship from the British Lung Foundation and a University award from the Wellcome Trust, with which he will take up an academic lectureship position within Cardiothoracic Pharmacology.
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