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  • Title: [Cytokine gene polymorphism in sensitized kidney transplant recipients and its association with acute rejection episodes].
    Author: Gu XW, Zhao M, Li LY, Li M, Qian J.
    Journal: Di Yi Jun Yi Da Xue Xue Bao; 2003 Nov; 23(11):1211-3. PubMed ID: 14625191.
    Abstract:
    OBJECTIVE: To investigate the relationship between cytokine gene polymorphism in sensitized kidney transplant recipients and acute rejection episodes. METHODS: PCR using sequence-specific primer (PCR-SSP) was performed to determine the cytokine genotypes of tumor necrosis factor-alpha (TNF-alpha), interleukin-10 (IL-10), transforming growth factor-beta1 (TGF-beta1), interleukin-6 (IL-6), interferon-gamma (IFN-gamma) in 97 sensitized kidney transplant recipients. The association of cytokine genotypes with early graft rejection was explored. RESULTS: Acute rejection occurred in 23 of the 97 patients during the first three months after operation. The incidence of acute rejection was higher in the recipients with high TNF-alpha or high IL-10 producer genotype (51.9% and 55.5% respectively) than in the recipients with low TNF-alpha or low to intermediate IL-10 producer genotype (12.9% and 13.3% respectively, P<0.01). The incidence of acute rejection was even higher in the recipients with high TNF-alpha in combination with intermediate to high IL-10 producer genotype than in the recipients with low TNF-alpha combined with low IL-10 producer genotype (62.5% vs 8.5%, P<a0.01). No relations were identified between TGF-beta1, IL-6, IFN-gamma gene polymorphisms and the incidence of acute rejection. CONCLUSION: TNF-alpha and IL-10 gene polymorphism may significantly influence the incidence of acute rejection episodes in sensitized kidney transplants, for whom determination of TNF-alpha and IL-10 genotype might help design feasible immunosuppressive protocols.
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