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Curiosity, Country Music, and Cancer Cures | Jim Allison | TEDxUTAustin 2 года назад


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Curiosity, Country Music, and Cancer Cures | Jim Allison | TEDxUTAustin

Dr. Jim Allison was deeply influenced by his days at UT and the music scene in Austin in the 1960s and 70s. He recounts his progression driven by curiosity as an undergraduate student and laboratory dishwasher, followed by graduate studies that led him to develop an unrelenting desire to understand the workings of the immune system, particularly T-cells. He identified the molecules that provide the fundamental regulation of T cells, including the ignition switch (antigen receptor), gas pedal (CD28), and brakes (CTLA-4). These findings led Allison to develop immune checkpoint therapy as s way to unleash T cells to attack cancer cells, which can lead to cures for many different types of cancer. He shares some of his adventures as both a scientist and a musician. Dr. James Allison is Regental Professor and Chair of the Department of Immunology, the Olga Keith Wiess Distinguished University Chair for Cancer Research, Director of the Parker Institute for Cancer Research, and the Executive Director of the Immunotherapy Platform at MD Anderson Cancer Center. He has spent a distinguished career studying the regulation of T cell responses and developing strategies for cancer immunotherapy. He earned the 2018 Nobel Prize in Physiology or Medicine, which he shared with Dr. Tasuku Honjo, "for their discovery of cancer therapy by inhibition of negative immune regulation." Among his most notable discoveries are the determination of the T cell receptor structure and that CD28 is the major costimulatory molecule that allows full activation of naïve T cells and prevents anergy in T cell clones. His lab resolved a major controversy by demonstrating that CTLA-4 inhibits T-cell activation by opposing CD28-mediated costimulation and that blockade of CTLA-4 could enhance T cell responses, leading to tumor rejection in animal models. This finding and a great deal of persistence paved the way for the field of immune checkpoint blockade therapy for cancer. Work in his lab led to the development of ipilimumab, an antibody to human CTLA-4 and the first immune checkpoint blockade therapy approved by the FDA. Among many honors, he is a member of the National Academies of Science and Medicine and received the Lasker-Debakey Clinical Medical Research award in 2015. His current work seeks to improve immune checkpoint blockade therapies currently used by our clinicians and identify new targets to unleash the immune system in order to eradicate cancer. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx

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