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  • Author(s): By:LIDIA WASOWICZ, UPI Senior Science Writer
  • Source:
    UPI (USA), January 21, 2002 News, 4pp
  • Additional Information
    • Abstract:
      UNDERSTANDING HUMAN DEVELOPMENT Scientists are gaining understanding of a great mystery: how one cell in one egg develops into a baby with more than 200 types of cells and all the tissues and organs needed for life. Investigators at Washington University School of Medicine in St. Louis, led by Dr. Scott Saunders, are learning about the role played by a little-understood family of molecules called heparan sulfate proteoglycans in determining a cell's fate...