Identification of a graft versus host disease-associated human minor histocompatibility antigen

J M den Haan, N E Sherman, E Blokland, E Huczko, F Koning, J W Drijfhout, J Skipper, J Shabanowitz, D F Hunt, V H Engelhard

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Minor histocompatibility antigen disparities between human leukocyte antigen (HLA)-matched bone marrow donors and recipients are a major risk factor for graft versus host disease (GVHD). An HLA-A2.1-restricted cytotoxic T cell clone that recognized the minor histocompatibility antigen HA-2 was previously isolated from a patient with severe GVHD after HLA-identical bone marrow transplantation. The HLA-A2.1-bound peptide representing HA-2 has now been identified. This peptide appears to originate from a member of the non-filament-forming class I myosin family. Because HA-2 has a phenotype frequency of 95 percent in the HLA-A2.1-positive population, it is a candidate for immunotherapeutic intervention in bone marrow transplantation.

Original languageEnglish
Pages (from-to)1476-80
Number of pages5
Issue number5216
Publication statusPublished - 9 Jun 1995
Externally publishedYes


  • Amino Acid Sequence
  • Bone Marrow Transplantation
  • Epitopes
  • Female
  • Graft vs Host Disease/immunology
  • HLA-A2 Antigen/immunology
  • Humans
  • Mass Spectrometry
  • Minor Histocompatibility Antigens/chemistry
  • Molecular Sequence Data
  • Neoplasm Proteins/chemistry
  • Oligopeptides/chemistry
  • T-Lymphocytes, Cytotoxic/immunology

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