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Dr. Ayuko Hoshino studies cell- and organ-to-organ communication mediated by exosomes, small membrane-bound vesicles released by cells. Her research focuses on how exosomes derived from specific cell types and organs are transported to target tissues and induce functional changes in both health and disease. She has elucidated mechanisms by which cancer-derived exosomes home to specific organs and promote tissue remodeling associated with pre-metastatic niche formation. Through analyses of cell-type–specific and circulating exosomes, she has also demonstrated that exosomal molecular signatures reflect disease states and can serve as biomarkers for cancer detection. Building on this work, her current research extends to the roles of exosomes in neurological disorders, including autism spectrum disorder and schizophrenia, as well as in stress-related mental states.
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Career
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Education:
University of Tokyo
Ph.D. in Cell and Molecular Biology, 2011
M.Sc. in Cell and Molecular Biology, 2008
Tokyo University of Science
B.Sc. in Chemistry, 2006
Position and Employment:
2002-2006 Undergraduate student at Tokyo University of Science, Department of Applied Chemistry
2006-2008 Graduate student, masters program at The University of Tokyo, Department of Integrated Biosciences
2008-2011 Graduate student, Ph.D. program at The University of Tokyo, Department of Integrated Biosciences
2008-2009 Research fellow of the 21Centry COE program of The University of Tokyo
2009-2011 Research Fellow of the Japan Society for the Promotion of Science (DC2)
2010-2011 Visiting graduate student. Weill Cornell Medicine, New York.
2011-2015 Postdoctoral Associate. Weill Cornell Medicine, New York.
2013-2015 JSPS Postdoctoral Fellow for Research Abroad
2015-2016 Research associate. Weill Cornell Medicine, New York.
2015-2018 Postdoctoral Fellow Scholar for the Susan G. Komen (PI Ayuko Hoshino)
2016-2019 Instructor. Weill Cornell Medicine, New York.
2019-current Adjunct Assistant Professor. Weill Cornell Medicine, New York
Department of Pediatrics
2019-2020 Lecturer. IRCN, The University of Tokyo
2019-2022 PRESTO researcher
2020-2023 Associate Professor. Department of Life Science and Technology, Tokyo Institute of Technology
2023-current Professor. Research Center for Advanced Science and Technology, the University of Tokyo
2024-current InaRIS Fellow
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Selected Publications
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- Hoshino A, et al., Extracellular Vesicle and Particle biomarkers define multiple human cancers. Cell 2020 Aug 20;182(4):1044-1061 (First and Corresponding author).
- Rodrigues G*, Hoshino A*, et al., Tumour exosomal CEMIP protein promotes cancer cell colonization in brain metastasis. Nature Cell Biology 2019 Nov 4 (Co-first author)
- Hoshino A, et al., Tumour exosome integrins determine organotropic metastasis. Nature 2015 Nov 19;527(7578):329-35
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Activities in Academic Societies
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The Japan Neuroscience Society
American Association for Cancer Research (AACR)
The Japanese Cancer Association (JCA)
The Society of Japanese Women Scientists (SJWS)
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