Journal
THERAPEUTIC APHERESIS AND DIALYSIS
Volume 7, Issue 3, Pages 292-297Publisher
BLACKWELL PUBLISHING INC
DOI: 10.1046/j.1526-0968.2003.00060.x
Keywords
autoimmune diseases; bone marrow transplantation; hemopoietic stem cell; intrabone marrow injection; mesenchymal stem cell
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Remarkable advances have been made in bone marrow transplantation (BMT), which has become a powerful strategy for the treatment of leukemia, aplastic anemia, congenital immunodeficiency, and also autoimmune disease. Using various animal models, allogeneic (allo) BMT has been found to be useful in the treatment of various autoimmune diseases. In MRL/lpr mice, which are radiosensitive (<8.5 Gy) and are an animal model for autoimmune diseases, conventional BMT resulted in only transient effects; the manifestations of the autoimmune diseases recurred 3 months after BMT. Using MRL/lpr mice, we have very recently established a new strategy for allo BMT. We injected bone marrow cells (BMC) directly into the bone marrow cavity (intrabone marrow [IBM] injection) of recipients that had received fractionated irradiation. This 'IBM-BMT' was found to be effective in treating autoimmune diseases in radiation-sensitive and chimeric-resistant MRL/lpr mice. In addition, this strategy was found to be applicable for the transplantation of organs. We believe that these strategies for BMT and organ transplantation herald a new era in transplantation.
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