ALTERNATIVE DONOR SOURCES IN HLA-MISMATCHED MARROW TRANSPLANTATION - T-CELL DEPLETION OF SURGICALLY RESECTED CADAVERIC MARROW

  • 1 May 1988
    • journal article
    • research article
    • Vol. 3  (3) , 211-220
Abstract
Allogeneic bone marrow transplantation has been largely confined in its application to patients with an HLA-matched marrow donor, thereby limiting potential therapeutic benefits for patients with diseases amenable to treatment by marrow transplantation who lack effective alternative therapies and an identified matched marrow donor. T cells in the donor marrow generate graft-versus-host disease which is a major consideration in attempts to widen the application of allogeneic marrow transplantation to the minimally HLA-mathced or mismatched setting. The method of marrow harvest influences both the number of such T cells in the donor marrow inoculum and the functional capacity of T cells in murine marrow. We have therefore evaluated surgically resected cadaveric marrow for T cell content and for T cell depletion. Surgically resected marrow is more easily depleted of T cells than aspirated marrow and clinically useful quantities of marrow have been obtained and cryopreserved in a bank of characterized donor marrow for future use in HLA minimally matched or unmatched marrow transplantation.

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