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  • Title: [Effect of recipient derived bone marrow stromal cells on immunological rejection in mouse allogeneic skin transplantation].
    Author: Li ZG, Jiang ZS, Tan HX.
    Journal: Zhonghua Zheng Xing Wai Ke Za Zhi; 2008 Nov; 24(6):472-5. PubMed ID: 19241713.
    Abstract:
    OBJECTIVE: To investigate the effect of recipient derived bone marrow stromal cells (BMSCs) on immunological rejection in mouse allogeneic skin transplantation. METHODS: The C57BL/6 to BALB/c allogeneic skin transplantation model was created. The bone marrow stromal cells (BMSCs) were isolated from BALB/c by gradient density centrifugation and adhesion separation. The BMSCs were injected back through tail vein. The mouse were divided into three groups as group A (BALB/c + BMSCs), group B (BALB/c with skin transplantation), and group C (BALB/c with skin transplantation + BMSCs). The pathologic examination of the graft was performed and the cytokines such as IL-2, IFN-gamma were detected at the different time. RESULTS: The attained BMSCs in the experiment had the characteristics of BMSCs. The acute immunological rejection reaction detected by immunohistochemistry staining was alleviated noticeably in group C than that in group B. The concentrations of cytokines IL-2, IFN-gamma in group B were lower than that in group C at 7 d (F = 248,954.6, P < 0.05; F = 148,311.7, P < 0.05) and 14 d (F = 117,372.3, P < 0.05; F = 126,743.3, P < 0.05) after skin transplantation. CONCLUSIONS: Recipient derived BMSCs transfusion can alleviate the acute immunological rejection after allogeneic skin transplantation. The possible mechanism maybe related to the inhibitory effect on the secretion of cytokines like IL-2, IFN-gamma.
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