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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:20260507T081539Z DTSTART;VALUE=DATE-TIME:20231017T131500 DTEND;VALUE=DATE-TIME:20231017T140000 SUMMARY:Host microbiome and disease seminar: Bacterial clade-specific ana lysis identifies distinct epithelial responses in inflammatory bowel dis ease\, Dr Edward Giles FRACP MBBS MRCPCH TZID:Europe/London UID:20231017-8a17841b8b14196e018b2941f1b41ac5@warwick.ac.uk CREATED:20231013T133749Z DESCRIPTION:Abstract: Abnormal immune responses to the resident gut micro biome can drive inflammatory bowel disease (IBD). We combined high-resol ution\, culture-based shotgun metagenomic sequencing and analysis with m atched host transcriptomics across three intestinal sites (terminal ileu m\, cecum\, rectum) from pediatric IBD patients and matched controls to investigate this relationship. Combining our site-specific approach with bacterial culturing\, we establish a cohort-specific bacterial culture collection\, comprising 6\,620 isolates (170 distinct species\, 32 putat ive novel)\, cultured from 286 mucosal biopsies. Phylogeny-based\, clade -specific metagenomic analysis identifies key\, functionally distinct En terococcus clades associated with either IBD or health. Strain-specific in vitro validation demonstrates differences in cell cytotoxicity and in flammatory signaling in intestinal epithelial cells\, consistent with th e colonic mucosa-specific response measured in patients with IBD. This d emonstrates the importance of strain-specific phenotypes and considerati on of anatomical sites in exploring the dysregulated host-bacterial inte ractions in IBD. Biography: Ed Giles is a consultant paediatric gastroen terologist at Monash and the Royal Children’s Hospital in Melbourne and lead for inflammatory bowel disease at Monash. Ed trained at the Univers ity of Melbourne and the Royal Children’s Hospital\, and several hospita ls in London. He received a PhD from the University of London in 2015. H e was a consultant at the Royal London Hospital and Barts Medical School until he returned to Melbourne in 2016. He is a research fellow at the Hudson Institute of Medical Research and senior lecturer in the departme nt of paediatrics at Monash University. He has held a number of senior p ositions\, including past president of the Australasian Society of Paedi atric Gastroenterology\, Hepatology and Nutrition and foundation chair o f the Gastroenterological Society of Australia – Paediatric Network. His research interests are in host-microbiome interactions\, particularly i n IBD. He has projects developing novel biotherapeutics\, and collaborat ions in laboratory research for which he jointly holds several grants wo rth over AUD$9 million. He has published widely\, including in Science\, Science Translational Medicine and Nature Reviews Microbiology. He is a lso involved in clinical research and is PI on several industry clinical trials. LOCATION:A039\, Medical School Building CATEGORIES:BiomedicalSciences,DivisionalSeminars,SLS/WMS Microbiology and Infectious Disease seminar LAST-MODIFIED:20231013T133749Z ORGANIZER;CN=Jas Bains: END:VEVENT END:VCALENDAR