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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:20260510T172226Z DTSTART;VALUE=DATE-TIME:20210422T123000 DTEND;VALUE=DATE-TIME:20210422T133000 SUMMARY:BMS Divisional Webinar: Endometriosis and its microenvironment\, one cell at a time\, Dr Elise Courtois\, Associate Director\, The Jackso n Laboratory for Genomic Medicine in Farmington\, Conn. TZID:Europe/London UID:20210422-8a17841a785a72cd0178d52412921cb4@warwick.ac.uk CREATED:20210415T104654Z DESCRIPTION:Abstract: Endometrial lesions are highly complex tissues comp rised of cells of endometrial\, immune and vascular origin. An interplay among these cell types and factors in the local environment is key to t he establishment\, progression and spread of these lesions. An unbiased single cell transcriptomic approach to comprehensively identify all the cellular components of ectopic lesions and their microenvironment is ess ential for understanding the environmental etiology and pathophysiology of endometriosis. We generated single cell transcriptomic (scRNAseq) dat a from peritoneal and ovarian endometriosis lesions from stage III-IV en dometriosis patients\, using a droplet-based RNAseq platform. Matched eu topic endometrium were also analyzed by scRNAseq. Our unbiased single ce ll approach allows us to capture multiple cell types from both ectopic a nd eutopic endometrium. We identified the major cell types composing the ectopic endometrium as well its microenvironment in the adjacent perito neum. Cell types identified within the microenvironment included T cells \, B cells\, macrophages\, endothelial\, fibroblast\, muscle cells and p ericytes. Notably\, we were able to identify several subtypes of myeloid cells and their differential gene expression analysis revealed substant ial differences revealing their role in angiogenesis and immunosuppressi on. We identified a lesion-specific pericyte subtype\, implicated in imm une cell trafficking. Image Mass Cytometry analysis of the lesions revea led important clues on the spatial organization and the cellular interpl ays withing cell types that were characterized transcriptionally. Our ap proach allows to study the diversity of cells composing the endometriosi s lesions and their microenvironment\, and to compare ectopic lesions to eutopic endometrium. Together\, the unbiased study of endometriosis and its microenvironment at the single cell level offers a powerful insight into the key cellular players of endometriosis. Biography: My research career began in Spain where I worked on human-based stem cell therapies for Parkinson’s disease during my PhD. I expanded my stem cell training as a postdoctoral fellow by joining a team working at the intersection o f tumor biology and mouse genetics\, with a particular focus on lung and colorectal cancers during my postdoc at the Institute for Molecular Bio logy\, A-STAR in Singapore. Later I joined the Robson lab at the Genome Institute of Singapore\, A-STAR\, where I continued to study the biology of lung and colorectal tumors\, using and generating novel single-cell profiling technologies. In my current role as an Associate Director for the Single Cell Biology Lab at The Jackson Laboratory for Genomic Medici ne (JAX-JGM\, USA)\, I continue to investigate the cellular heterogeneit y of human tissues using state-of-the-art single-cell ‘omics’ approaches \, 3D- cell culture models and high content screening systems. LOCATION:MS Teams CATEGORIES:BiomedicalSciences,DivisionalSeminars,BMS_TEM,CSRL LAST-MODIFIED:20210415T104654Z ORGANIZER;CN=Jas Bains: END:VEVENT END:VCALENDAR