Transplantation of CTLA4Ig gene-transduced adipose tissue-derived mesenchymal stem cells reduces inflammatory immune response and improves Th1/Th2 balance in experimental autoimmune thyroiditis.

요약 : 
Background: Autoimmune thyroiditis is one of common organ-specific autoimmune disease. The aim of this study was to observe the effect of adipose tissue derived mesenchymal stem cells (ATMSC) and CTLA4Ig genetransduced ATMSC on autoimmune thyroiditis. Methods Experimental autoimmune thyroiditis was induced by immunization with thyroglobulin. Animals were divided into three groups: (i) a half million of human ATMSC, (ii) a half million of murine CLTA4Ig gene-transduced human ATMSC (CTLA4Ig-MSC), or (iii) normal saline (as control), which were administered intravenously four times within a 3-week period. Blood and tissue samples were collected 1 week after the last cell transplantation.

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