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Blood. 1983 Feb;61(2):341-8.

Transplantation for severe combined immunodeficiency with HLA-A,B,D,DR incompatible parental marrow cells fractionated by soybean agglutinin and sheep red blood cells.


Three patients with severe combined immunodeficiency (SCID) received transplants of HLA haplotype-mismatched parental bone marrow depleted of T lymphocytes by differential agglutination with soybean agglutinin (SBA) and subsequent E-rosette depletion. Two patients achieved durable engraftment with reconstitution of both humoral and cell-mediated immunity. Neither of these patients developed graft versus host disease (GVHD). The third patient achieved only a transient engraftment with concomitant development of mitogen-responsive lymphocytes of paternal origin. Our experience indicates that depletion of T lymphocytes by this technique can abrogate the potential of histoincompatible marrow grafts to induce lethal GVHD without limiting immunologic reconstitution. It also provides further evidence of nonimmune mechanisms of graft resistance that may necessitate preparative treatment of patients with SCID before transplantation with HLA-mismatched marrow cells.

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