Article

Hematopoietic stem cells.

Department of Hematology & Oncology, University Hospital, Innsbruck, Austria.
Biomedecine [?] Pharmacotherapy (impact factor: 2). 06/2001; 55(4):186-94. pp.186-94
Source: PubMed

ABSTRACT The adequate production of blood cells is maintained by a set of immature hematopoietic stem cells (HSC) located in the bone marrow after birth. HSC are able to reconstitute the hematopoietic system in disease-related bone marrow failure and bone marrow aplasia. Nowadays, HSC cells can be mobilized from the bone marrow into the peripheral blood using hematopoietic cytokines, allowing a convenient harvest of these cells for clinical transplantation. This review outlines the development of the hematopoietic system in the embryo and in adults and the characterization, enumeration, purification and ex vivo expansion of HSC for clinical use. Future directions include the genetic manipulation of HSC and the identification/expansion of bone marrow-derived stem cells capable of generating non-hematopoietic tissues.

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Keywords

adequate production
 
adults
 
blood cells
 
bone marrow
 
bone marrow aplasia
 
bone marrow-derived
 
clinical transplantation
 
clinical use
 
convenient harvest
 
disease-related bone marrow failure
 
enumeration
 
ex vivo expansion
 
Future directions
 
hematopoietic cytokines
 
hematopoietic system
 
identification/expansion
 
immature hematopoietic
 
non-hematopoietic tissues
 
peripheral blood
 
reconstitute