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, Volume 61, Issue 1, pp 14–16 | Cite as

Usefulness of Y-body study on bone marrow smears to demonstrate the origin of fibroblast stromal cells in allogeneic bone marrow transplantation

  • J. M. Ribera
  • E. Feliu
  • R. Arriols
  • A. Grañena
  • J. L. Vives-Corrons
  • C. Rozman
Original article

Summary

The value of Y-body study for assessment of stromal cell engraftment was analyzed in 25 patients submitted to allogeneic bone marrow transplantation (BMT) (sex-matched in 12 cases and sex-mismatched in 13). The study was performed weekly on bone marrow smears until day + 35, and the results were compared with those obtained in a control group of 20 patients submitted to autologous BMT (12 males and 8 females). Engraftment of haemopoietic cells was documented in all cases. The results of Y-body study on the recipients' fibroblast cells showed a pattern identical to that observed prior to BMT, independent of donor's sex. On the other hand, there were no differences between allogeneic and autologous BMT recipients in regard to percentage of Y-body positive cells. These results indicate that in allogeneic BMT there is no engraftment of the fibroblastic component of bone marrow stroma.

Key words

Allogeneic bone marrow transplantation Fibroblast stromal engraftment Y-Body 

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Copyright information

© Springer-Verlag 1990

Authors and Affiliations

  • J. M. Ribera
    • 1
  • E. Feliu
    • 1
  • R. Arriols
    • 1
  • A. Grañena
    • 1
  • J. L. Vives-Corrons
    • 1
  • C. Rozman
    • 1
  1. 1.Postgraduate School of Haematology “Farreras Valentí” and Laboratori Central d'Hematologia Hospital ClínicUniversity of BarcelonaBarcelonaSpain

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