Notch signals are required for in vitro but not in vivo maintenance of human hematopoietic stem cells and delay the appearance of multipotent progenitors

Author:

Benveniste Patricia12,Serra Pablo12,Dervovic Dzana12,Herer Elaine3,Knowles Gisele2,Mohtashami Mahmood12,Zúñiga-Pflücker Juan Carlos12

Affiliation:

1. Department of Immunology, University of Toronto, Toronto, ON, Canada;

2. Sunnybrook Research Institute, Toronto, ON, Canada; and

3. Women and Babies Program, Sunnybrook Health Sciences Centre, Toronto, ON, Canada

Abstract

Key Points Notch signals expand human HSC (CD90low) cells in vitro and delay the expansion of CD45RAint and CD45RAhi cells in vitro. HSCs expanded in vitro are equal to ex vivo CD90low cells in immune reconstitution.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

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