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Hemopoietic stem cells: technical and methodological considerations

M Valbonesi1

  • 1Immunohematology Service, San Martino Hospital, Genoa, Italy.

Stem Cells (Dayton, Ohio)
|October 1, 1993
PubMed
Summary
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Leukapheresis effectively collects peripheral blood stem cells (PBSC) for autotransplants. Collection efficiency for granulocyte-macrophage colony-forming units (CFU-GM) and mononuclear cells (MNC) depends on various patient and procedural factors.

Area of Science:

  • Hematology
  • Cellular Therapy
  • Biotechnology

Background:

  • Peripheral blood stem cell (PBSC) autotransplantation is increasingly utilized.
  • Leukapheresis is a key method for collecting hematopoietic progenitors.
  • Growth factors have expanded the collection window for these cells.

Purpose of the Study:

  • To discuss the technical aspects of leukapheresis for PBSC collection.
  • To highlight factors influencing the efficiency of progenitor cell collection.
  • To address challenges in product quality and purity for PBSC autotransplants.

Main Methods:

  • Collection of granulocyte-macrophage colony-forming units (CFU-GM) and mononuclear cells (MNC) via leukapheresis.
  • Analysis of factors affecting cell collection yields, including chemotherapy type, patient condition, and apheresis techniques.

Related Experiment Videos

  • Utilizing third-generation cell separators with advanced features.

    • Main Results:

    • The number of leukaphereses required varies significantly based on patient and treatment parameters.
    • Third-generation cell separators offer improved safety, automation, and reliability.
    • Product quality and yield are influenced by both the apheresis apparatus and patient clinical status.

    Conclusions:

    • Optimizing leukapheresis requires careful consideration of numerous clinical and technical variables.
    • Advancements in cell separation technology enhance safety and efficiency.
    • Ensuring product quality and purity remains crucial for successful PBSC autotransplantation.