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DTSTART;TZID=Europe/Paris:20250321T140000
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UID:181421-1742565600-1742571000@www.bordeaux-neurocampus.fr
SUMMARY:Seminar: Microscopic Scooping for Unbiased\, Subcellular\, Spatial Optoproteomic Discovery
DESCRIPTION:Venue: Centre Broca \nOrganized by the BioProt platform \n\n14:00-14:10 – Welcome – Jérome Ezan\, PhD \n14:10-14:40 – Microscopic Scooping for Unbiased\, Subcellular\, Spatial Optoproteomic Discovery – Matteo Cattaneo\, PhD (SynCell) \nThe quest for unbiased spatial proteomic discovery is critical in understanding the complex microenvironments within biological tissues. Traditional methods like proximity labeling and Laser Capture Microdissection (LCM) have their limitations: proximity labeling suffers from sample restriction (non-human models) and can lead to biased results due to incomplete labeling\, while LCM is laborious and often lacks the precision needed for single-cell resolution. \nIntroduction to the Syncell Microscoop Mint: Discover its groundbreaking features and benefits along with a workflow overview. \nFunctional Biology Examples: Explore how the Microscoop Mint is being applied in diverse fields such as: Cell biology\, Neurodegenerative disease\, Drug discovery\,  Immuno-oncology\, Developmental biology \nTechnical Insights: Learn how Microscoop Mint achieves spatial protein purification by introducing in situ subcellular photo-biotinylation of proteins at user-defined regions of interest (ROIs) one field of view (FOV) at a time for thousands of FOVs fully automatically. With mass spectrometry\, Microscoop enables the discovery of subcellular proteomes in high sensitivity\, specificity\, and resolution. \n14:40-15:25 – Optoproteomics provides spatially resolved insights into chromatin biology – Cristiana Lungo\, PhD (IZI Stuttgart) \nPolycomb Repressive Complex 2 (PRC2)\, a master regulator of chromatin organization and gene expression\, is frequently deregulated in aggressive malignancies such as triple-negative breast cancer (TNBC). While cytoplasmic mistargeting of its catalytic subunit\, Enhancer of Zeste Homolog 2 (EZH2)\, has been implicated in TNBC metastasis\, whether this misregulation also extends to the spatial organization of nuclear PRC2 pools remains unexplored. Here\, we uncover a novel mechanism of PRC2 regulation in TNBC cells\, characterized by the accumulation of PRC2 in distinct\, micron-sized nuclear bodies. By using unbiased spatial proteomics on these endogenous compartments\, we identify a key molecular driver of this subnuclear compartmentalization and link this spatial organization to cellular processes critical for metastasis. These findings underscore the power of opto-proteomics in dissecting the local chromatin interactome\, with high spatial resolution\, and reveal an unrecognized layer of PRC2 regulation in TNBC\, where subnuclear compartmentalization orchestrates functional outcomes essential for cancer progression. \n15:25-15:30 – WrapUp – Jérome Ezan\, PhD \nRegistration\nhttps://go.syncell.com/seminar-bordeaux \n  \n
URL:https://www.bordeaux-neurocampus.fr/en/event/seminar-microscopic-scooping-for-unbiased-subcellular-spatial-optoproteomic-discovery/
CATEGORIES:For scientists,home-event,Industrial seminar or booth
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