In vivo detection of alloreactive T cells of host origin after rejection of HLA-identical allogeneic bone marrow transplant
Irlé, C.; Kaestli, M.; Chapuis, B.; Jeannet, M.
Schweizerische Medizinische Wochenschrift 115(43): 1525-1526
1985
ISSN/ISBN: 0036-7672 PMID: 3909389 Document Number: 244909
Rejection and graft vs host disease after HLA-identical allogeneic bone marrow transplantation are probably due to in-vivo T-cell reactivity against non-MHC antigens. Peripheral blood lymphocytes from a patient transplanted for aplastic anemia have been obtained during graft failure and tested for their alloreactivity towards unrelated and marrow donor lymphocytes. Their caryotype was determined. Our results demonstrate (1) alloreactive T cells of host origin and (2) the presence of donor-specific host cells in vivo, providing evidence for rejection following in vivo sensitization to non-MHC antigens.