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Philippe Bousso (Pasteur Institute), Decoding the mode of action of tumor immunotherapies in vivo

15 February | 13 h 30 min - 14 h 30 min

On Feb 15th, we will host an outstanding and innovating immunologist, namely Philippe Bousso (Institut Pasteur). Philippe pioneered intravital imaging techniques in immunology and has recently produced excellent work in cancer immunology.
“Decoding the mode of action of tumor immunotherapies in vivo”
Understanding the complex interactions between the immune system and the tumor microenvironment is an essential step toward the rational development and optimization of immunotherapies. Several experimental approaches are available to tackle this complexity but most are not designed to address the dynamic features of immune reactions including cell migration, cellular interactions and transient signaling events. By providing a unique means to access these precious parameters, intravital imaging offers a fresh look at intratumoral immune responses at the single-cell level. In this presentation, we will discuss how intravital imaging can help gain new insight into mechanisms at play during tumor immunosurveillance and uncover the mode of action of tumor immunotherapies, including tumor-targeting monoclonal antibodies, immune checkpoint inhibitors and CAR T cell therapy.
Description of research done in Philippe Bousso’s team
The immune system comprises a collection of specialized cells and organs that fight infections and can survey cancer cells. Immune responses to pathogens and tumors are highly coordinated events that take place in complex and specialized tissue microenvironments. An integrated view of innate and adaptive immune responses to infections and cancer requires a better understanding of how immune cells communicate and fulfill their task in vivo. In addition, it is essential to unravel how pathogens and tumor microenvironment subvert their functions. Recent progresses in intravital two-photon imaging offer a novel perspective to address some of these critical issues in physiological settings. By further developping functional in vivo imaging, we aim at identifying critical aspects of T cell and NK cell activation and function during tumor growth, during infection by an intracellular parasite and during transplantation. Elucidating the fundamental mechanisms underlying the regulation of innate and adaptive immune responses in vivo will delineate basic principles to develop or improve immunotherapeutical strategies to treat cancer and infectious diseases.
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15 February
13 h 30 min - 14 h 30 min
Event Category: