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  • Title: A new method of bone marrow transplantation leads to extension of skin allograft survival.
    Author: Siemionow M, Ozer K, Izycki D, Unsal M, Klimczak A.
    Journal: Transplant Proc; 2005 Jun; 37(5):2309-14. PubMed ID: 15964406.
    Abstract:
    Tolerance induction through allogeneic bone marrow transplantation is an alternative method to chronic immunosuppression in maintaining long-term allograft survival. In this article, we introduce a new method of bone marrow allotransplantation, which preserves its natural microenvironment and does not require marrow processing or recipient conditioning. A total of 43 skin graft transplantations were performed in nine experimental groups between isogeneic [Lewis to Lewis (LEW, RT1(1))] and allogeneic [Lewis x Brown Norway (LBN --> F1, RT1(1+n)) to Lewis] rats under 35-day protocol of alphabeta T-cell receptor (TCR) monoclonal antibody (mAb) and cyclosporine (CsA) protocol. Monotherapies combined with "crude" bone marrow transplantation resulted in extended survival up to 21 days under CsA and up to 10 days under alphabeta-TCR mAb protocol. The use of combined protocol of alphabeta-TCRmAb/CsA with crude bone marrow transplantation resulted in the extension of skin allograft survival up to 65 days (P < .05). This new simple method of "crude" bone marrow allotransplantation without recipient conditioning is a promising, minimally invasive technique with a potential for direct clinical application.
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