『Episode 186: Mari Dezawa discusses her discovery of MUSE cells and the role of stem cells in regenerative medicine』のカバーアート

Episode 186: Mari Dezawa discusses her discovery of MUSE cells and the role of stem cells in regenerative medicine

Episode 186: Mari Dezawa discusses her discovery of MUSE cells and the role of stem cells in regenerative medicine

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 Today we have Dr. Mari Dezawa, one of the world’s leaders in stem-cell research and regenerative medicine. Mari is a pioneer in this emerging field and is known worldwide for her discovery of MUSE cells, a unique type of stem cell with exciting clinical potential. MUSE is short for Multilineage-Differentiating Stress-Enduring Cells. The discovery of the MUSE cell in humans has many biological and medical implications, and the human body may have a greater regenerative potential than we might have ever imagined. In collaboration with major national and international institutions, Mari and her colleagues are promoting research on MUSE cell-based regenerative medicine for diseases without definitive treatments. She and her team are also exploring the differences in regenerative capacity between less and more complex animals from the viewpoint of the stem-cell system. Mari is a professor and chair of the Division of Stem Cell Biology and Histology at Tohoku University School of Medicine. She has published more than 200 papers and is particularly known for her 2010 paper on the mechanisms of MUSE cells. In 2018, she was appointed a fellow of the U.S. National Academy of Inventors and has been the recipient of numerous awards, including the Japanese Government’s Prize for the Commendation for Science and Technology. Show notes: [00:04:10] Ken opens the interview by mentioning that although Mari was born in Japan, her family moved to the U.S. when she was only eight months old. Ken asks if it is true that Mari finds it difficult to answer the question of where her hometown is. [00:05:23] Ken asks Mari how she handled moving so much as a child. [00:05:52] Ken mentions that Mari’s father was a researcher and asks when she became passionate about research and science. [00:06:58] Ken mentions that Mari attended the Chiba University School of Medicine and asks what inspired her to go to medical school. [00:07:19] Ken explains that after Mari earned her medical degree, she attended Chiba University Graduate School of Medicine for her Ph.D. Ken mentions that while Mari was initially a cardiology resident, she later decided to focus on clinical research and became a stem-cell researcher. Ken asks what led her to shift from cardiology to stem-cell research. [00:08:25] Ken explains that Mari is well-known for her research into the role of stem cells in regeneration and functional recovery of nerve and muscle cells. Ken asks how and when she first became interested in stem cells. [00:09:56] Ken asks Mari to give a brief overview of stem cells and their significance. [00:11:18] Ken mentions that Mari remained at Chiba University as a research associate after earning her Ph.D in 1995. She then took a position as an associate professor at Yokohama City University Graduate School of Medicine before accepting a position at Kyoto University Graduate School of Medicine as an associate professor in 2003. Ken explains that while at Kyoto, Mari developed methods to induce bone marrow stromal cells to generate neuro and skeletal muscle cells, which play a crucial role in tissue repair and regeneration and are widely studied for their potential to serve as therapeutic agents. Ken asks Mari to give a quick primer on the crucial role these cells play in tissue repair. [00:13:25] Ken explains that in 2003, a member of Mari’s technical staff at Kyoto asked her whether they should discard some cultured adult rat and human bone marrow mesenchymal stem cells (MSCs) after she had noticed several strange cell clusters. Ken asks Mari to share what happened next and how this set her on the path to the discovery of Multilineage-Differentiating Stress-Enduring Cells. [00:16:03] Ken asks Mari to elaborate on this story and explain how a mistake led to this incredible discovery. [00:20:48] Ken explains that in 2008 Mari became professor and chair of the Department of Stem Cell Biology and Histology at Tohoku University Graduat...
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