Chyi-Song Hsieh, MD, PhD

Chyi-Song Hsieh, MD, PhD

Primary Academic Title

Professor of Medicine, Division of Rheumatology, Washington University School of Medicine

Research Interest

Development and function of natural regulatory T cells. This subset of T cell is normally responsible for preventing spontaneous autoimmunity but coincidentally also inhibits immune responses to tumors.


  • 1990: BA/MS, biochemistry, University of Chicago
  • 1996: MD/PhD, immunology, Washington University, St. Louis


  • 1996 - 1999: Resident, internal medicine, University of Washington, Seattle
  • 1999 - 2001: Fellow, rheumatology, University of Washington
  • 2001 - 2005: Postdoctoral fellow, immunology, University of Washington

Journal Articles

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