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Peripheral blood progenitor cells: a replacement for marrow transplantation?
1Division of Medicine, Department of Hematology, Section of Blood and Marrow Transplantation, University of Texas M.D. Anderson Cancer Center, Houston, USA.
Seminars in Oncology
|April 1, 1996
Summary
Peripheral blood progenitor cells (PBPCs) offer advantages for transplantation over bone marrow. Mobilization strategies and optimal dosing require further research for efficient collection and predictable recovery.
Area of Science:
- Hematology
- Stem Cell Transplantation
- Cellular Therapy
Background:
- Peripheral blood progenitor cells (PBPCs) are a viable alternative to bone marrow for hematopoietic stem cell transplantation.
- Mobilization of PBPCs into the bloodstream is crucial for efficient collection.
- Growth factors like G-CSF and GM-CSF are used in mobilization regimens.
Purpose of the Study:
- To review the advantages and disadvantages of PBPC transplantation.
- To discuss current mobilization strategies for PBPCs.
- To identify remaining uncertainties in PBPC transplantation.
Main Methods:
- Review of existing literature on PBPC mobilization and transplantation.
- Comparison of PBPC transplantation with traditional bone marrow transplantation.
- Analysis of benefits and drawbacks of PBPC use.
Main Results:
- PBPC transplantation offers benefits such as larger progenitor yields and faster hematologic recovery.
- Mobilization regimens involving stem cell factor and various growth factors show promise.
- Disadvantages include costs, the need for mobilization, and vascular access requirements.
Conclusions:
- PBPC transplantation is an effective method with significant advantages over bone marrow transplantation.
- Further research is needed to optimize mobilization protocols and cell dosing for PBPC transplantation.
- Addressing uncertainties in cell composition and dosage will enhance clinical outcomes.