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  • Title: Successful non-T cell-depleted HLA haplo-identical three-loci mismatched hematopoietic stem cell transplantation from mother to son based on the feto-maternal microchimerism in chronic myelogenous leukemia.
    Author: Ochiai N, Shimazaki C, Fuchida S, Okano A, Sumikuma T, Ashihara E, Inaba T, Fujita N, Maruya E, Nakagawa M.
    Journal: Bone Marrow Transplant; 2002 Dec; 30(11):793-6. PubMed ID: 12439703.
    Abstract:
    A 17-year-old male with chronic myelogenous leukemia in blast crisis received a non-T cell-depleted (TCD) HLA haplo-identical three-loci mismatched hematopoietic stem cell transplant (HSCT) from his mother. Long-term feto-maternal microchimerism was detected by nested polymerase chain reaction with sequence-specific primer typing. The post-transplantation prophylaxis against graft-versus-host disease (GVHD) was tacrolimus with minidose methotrexate. Sustained engraftment was obtained. Acute GVHD (grade 2) developed, but improved rapidly. Bone marrow aspiration on day 120 showed complete remission. Non-TCD HLA haplo-identical HSCT based on feto-maternal microchimerism might be feasible and has important implications in the selection of alternative family donors in HSCT.
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