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Resetting the immune response after autologous hematopoietic SC transplantation

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    Resetting the immune response after autologous hematopoietic SC transplantation

    Curr Res Transl Med. 2016 Apr-Jun;64(2):107-13. doi: 10.1016/j.retram.2016.03.004. Epub 2016 Jun 1.

    Resetting the immune response after autologous hematopoietic stem cell transplantation for autoimmune diseases.

    Arruda LC1, Clave E2, Moins-Teisserenc H2, Douay C2, Farge D3, Toubert A2.

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    Autologous hematopoietic stem cell transplantation (AHSCT) is currently investigated as treatment for severe and refractory autoimmune diseases, such as multiple sclerosis (MS), systemic sclerosis (SSc), Crohn's disease (CD) and systemic lupus erythematosus. Randomized clinical trials in MS, SSc and CD have shown the efficacy of AHSCT to promote control of disease activity and progression, when compared to conventional treatment. The use of high dose immunosuppressive conditioning is essential to eliminate the autoimmune repertoire, and the re-infusion of autologous hematopoietic stem cells avoids long-term leucopenia by reconstitution of both immune and hematological systems. Recent studies showed that AHSCT is able to deplete the autoimmune compartment and further promote the formation of a new auto-tolerant immune repertoire, reducing the inflammatory milieu and leading to long-term clinical remission without any complementary post-graft treatment. Deep knowledge about the mechanisms of action related to AHSCT-induced remission is required for the management of possible post-AHSCT relapse and improvement of clinical protocols. This paper will review the mechanisms enrolled in the immune response resetting promoted by AHSCT in patients with autoimmune diseases.
    “As the cast of villains in SCI is vast and collaborative, so too must be the chorus of hero's that rise to meet them” Ramer et al 2005

    Very interesting thank you for sharing!