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DTSTART:19960101T000000 END:STANDARD BEGIN:STANDARD TZNAME:GMT TZOFFSETFROM:+0100 TZOFFSETTO:+0000 DTSTART:19961027T020000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20260504T000259Z DTSTART;VALUE=DATE-TIME:20250319T131500 DTEND;VALUE=DATE-TIME:20250319T141500 SUMMARY:BMS Seminar: Unconventional T cell immunity in health and disease \, Dr Martin Davey\; Understanding infection chronicity and pathogenesis in Chagas disease\, Dr Michael Lewis TZID:Europe/London UID:20250319-8ac672c793d935a60193da590ac141e7@warwick.ac.uk CREATED:20250306T093558Z DESCRIPTION:Unconventional T cell immunity in health and disease Dr Marti n Davey\, Associate Professor\, Biomedical Sciences Directorate\, WMS Ab stract: The vertebrate immune system has evolved to ensure host survival from pathogenic microbes. The immune system is a highly specialised net work of cells\, organs\, receptors and soluble factors that protects the host from infection and cancer\, while also promoting healthy tissues. The adaptive immune system – responsible for generating memory to past i nfections - has retained a tripartite cellular network of B cells\, αβ T -cells and γδ T-cells for ~450 million years of vertebrate evolution. Ou r current understanding of T-cell mediated immunity has been established through the intense study of “conventional” αβ T-cells and the αβ T-cel l receptor’s (TCR) remarkable ability to detect pathogen infected cells by recognising foreign peptide antigens presented by major histocompatib ility complexes (MHCs). Despite human γδ T-cells being implicated in imm unity to infectious diseases\, the role of human γδ T-cells and the mech anisms they use to detect infection are largely unclear. In this talk\, I will discuss our work to explore the immune response of "unconventiona l" γδ T-cells in human tissues and how they mount responses to infectiou s diseases. Understanding infection chronicity and pathogenesis in Chaga s disease Dr Michael Lewis\, Associate Professor\, Biomedical Sciences D irectorate\, WMS Abstract: Chagas disease is a neglected tropical diseas e caused by the protozoan parasite Trypanosoma cruzi. Our research aims to discover how these trypanosomes can cause life-long infections\, why they progress to chronic diseases of the heart and gastro-intestinal tra ct\, and find ways that this can be prevented. To do this\, we pursue an integrated understanding of pathogen infection dynamics\, immune respon ses and evasion\, and how these combine in space and time to shape tissu e pathogenesis. In this talk\, I will present recent data from in vivo m odels on how chronic infection and inflammation lead to the enteric nerv ous system damage that underlies the digestive form of Chagas disease. I will also outline our hypothesis that Chagas cardiomyopathy is driven b y periodic invasion of heart tissue by parasites migrating from reservoi r tissues rather than local parasite persistence. LOCATION:MTC Lecture Theatre CATEGORIES:BiomedicalSciences,Directorate Seminars LAST-MODIFIED:20250306T093558Z ORGANIZER;CN=Jas Bains: END:VEVENT END:VCALENDAR