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Related Experiment Videos

9a: risk factor in bone marrow transplantation?

M J Jager1, F H Claas, J W Gratama

  • 1Dept. of Immunohaematology and Blood Bank, University Hospital Leiden, The Netherlands.

Tissue Antigens
|August 1, 1988
PubMed
Summary
This summary is machine-generated.

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Graft-versus-host disease (GvHD) after bone marrow transplants was studied. Donor absence of the 9a antigen did not affect GvHD but was linked to recipient early mortality.

Area of Science:

  • Immunology
  • Transplantation Medicine
  • Hematology

Background:

  • Graft-versus-host disease (GvHD) is a serious complication following bone marrow transplantation, even between HLA-identical siblings.
  • Minor transplantation antigens are suspected contributors to GvHD pathogenesis.

Purpose of the Study:

  • To investigate the role of the monocyte/granulocyte antigen 9a in the development of GvHD.
  • To determine if antigen 9a influences GvHD incidence or recipient survival post-transplant.

Main Methods:

  • Analysis of GvHD incidence in relation to the presence or absence of the 9a antigen in donors and recipients.
  • Correlation of 9a antigen status with early recipient mortality following bone marrow transplantation.

Main Results:

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  • No significant influence of the monocyte/granulocyte antigen 9a on the occurrence of GvHD was detected.
  • Absence of the 9a antigen in the donor was significantly associated with an increased risk of early recipient death.

Conclusions:

  • The monocyte/granulocyte antigen 9a does not appear to be a major factor in GvHD development.
  • Donor 9a antigen status may serve as a predictive marker for early mortality in bone marrow transplant recipients.