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  • Title: [Effect of gene polymorphism of TNF-beta on the concentration of TNF in serum of patient with endometriosis].
    Author: Luo M, Shen DX, Zhang HB, Wang J, Zong LL, Guan T, He YL.
    Journal: Zhong Nan Da Xue Xue Bao Yi Xue Ban; 2007 Aug; 32(4):656-9. PubMed ID: 17767060.
    Abstract:
    OBJECTIVE: To determine the polymorphism in +252 site of tumor necrosis factor-beta(TNF-beta) gene in patients with or without endometriosis, to evaluate the levels of TNF-alpha and TNF-beta in the serum with or without endometriosis, to explore the relation between polymorphism of TNF-beta gene and the genetic susceptibility of endometriosis, and to explore the pathogenic mechanism of endometriosis at gene level. METHODS: By polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method, polymorphism on +252 site of TNF-beta gene was measured in 82 patients with endometriosis (the endometriosis group) and 80 patients without endometriosis (the control group). With the sandwich-enzyme-linked immunosorbent assay (ELISA), the levels of TNF-alpha and TNF-beta in the serum of the two groups were determined. RESULTS: The TNF-beta level in the serum in the endometriosis group with TNF-beta gene +252 site AA genotype significantly increased, compared with GG genotype (t=2.029, P<0.05); while TNF-alpha and TNF-beta level in the serum had no statistical significance in patients with other genotypes in TNF-beta gene +252 site in the endometriosis group and the control group. CONCLUSION: TNF-beta gene +252 site AA genotype might be enhance TNF-beta level in the serum of patients with endometriosis.
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