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Related Experiment Videos

Peripheral blood stem cell mobilization by cytokines.

T Ahmed1, D Wuest, D Ciavarella

  • 1New York Medical College, Valhalla 10595.

Journal of Clinical Apheresis
|January 1, 1992
PubMed
Summary

Peripheral blood stem cells (PBSCs) can be collected via apheresis, either in their natural state or after mobilization. Mobilized PBSCs yield higher cell counts, aiding faster hematologic recovery post-therapy.

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Area of Science:

  • Hematology
  • Stem Cell Biology

Background:

  • Hematopoietic stem cells (HSCs) are found in peripheral blood.
  • HSCs can be collected using apheresis, either in their unperturbed state or after mobilization.

Purpose of the Study:

  • To review methods for collecting peripheral blood stem cells.
  • To discuss the implications of different collection techniques on cell yield and patient outcomes.

Main Methods:

  • Collection of HSCs via apheresis.
  • Mobilization of HSCs using cytokines (G-CSF, GM-CSF) or chemotherapy.
  • Comparison of cell yields from unperturbed versus mobilized collections.

Main Results:

  • Mobilized HSC collections yield higher cell numbers than unperturbed collections.
  • Mobilized cells may have qualitative differences compared to unperturbed cells.
  • Chemotherapy-induced mobilization carries risks due to severe myelosuppression.

Conclusions:

  • Peripheral blood stem cells accelerate hematologic recovery after myelosuppressive therapy.
  • Apheresis techniques offer an alternative to bone marrow transplantation.
  • Further controlled studies are needed to compare collection methods.

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