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Mobilized blood stem cells: immunophenotyping and functional characteristics.
1Bone Marrow Transplant Laboratory, URA CNRS 1456, University of Bordeaux II, France.
Journal of Hematotherapy
|January 1, 1992
Summary
Mobilized peripheral blood stem cells (PBSC) collected after chemotherapy can rapidly restore blood cell production. These PBSC function similarly to bone marrow stem cells, offering a viable alternative for transplantation.
Area of Science:
- Hematology
- Stem Cell Biology
- Oncology
Background:
- High-dose chemotherapy and growth factors mobilize peripheral blood stem cells (PBSC).
- PBSC transplantation following myeloablative therapy can lead to rapid, complete, and durable hematopoietic reconstitution.
- Mobilized PBSC are increasingly utilized in stem cell transplantation.
Purpose of the Study:
- To review recent data on the immunophenotype and functional capacities of mobilized blood stem cells.
- To compare mobilized PBSC with bone marrow-derived stem cells.
Main Methods:
- Review of recent scientific literature and data.
- Analysis of immunophenotypic characteristics of mobilized PBSC.
- Assessment of functional capacities of mobilized PBSC.
Main Results:
- High levels of PBSC can be collected from patients with hematopoietic malignancies or solid tumors.
- PBSC transplantation supports rapid and durable hematopoietic recovery.
- Mobilized PBSC consist of a mix of primitive and committed hematopoietic progenitors.
Conclusions:
- Mobilized peripheral blood stem cells are a viable source for hematopoietic reconstitution.
- PBSC exhibit functional capacities comparable to bone marrow stem cells.
- Further research into the specific properties of mobilized PBSC is warranted.