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1.
World Journal of Emergency Medicine ; (4): 169-175, 2010.
Article in English | WPRIM | ID: wpr-789482

ABSTRACT

@#BACKGROUND: The tumor necrosis factor recepter associated factor (TRAF) 6 is an important intracellular adapter protein that plays a pivotal role in activating multiple inflammatory and immune related processes induced by cytokines. TRAF6 represents a strong candidate susceptibility factor for sepsis. We investigated whether polymorphisms at the TRAF6 gene are associated with the susceptibility to and severity of sepsis. METHODS: A hospital-based case-control study was conducted with 255 patients with sepsis and 260 controls who were recruited from Zhengzhou, China. Haplotype tagging single nucleotide polymorphisms (htSNPs) were selected from the HapMap database and genotyped using the SNPstream genotyping platform. The associations with the susceptibility and disease severity of sepsis were estimated by logistic regression, and adjusted for age, sex, smoking, drinking, chronic diseases status, APACHEII score and critical illness status. RESULTS: A total of 13 TRAF6 SNPs were tagged by 7 htSNPs. Five htSNPs (rs5030490, rs5030411, rs5030416, rs5030445 and rs3740961) were genotyped in the case control study. Genotype frequencies of the htSNPs were conformed to the Hardy-Weinberg equilibrium in both patients and controls. No significant association was found between the 5 htSNPs and the susceptibility to and severity of sepsis. Compared with the main haplotype -11120A/-10688T/-9423A/805G/12967G, no certain haplotype was associated with the significantly susceptibility to or severity of sepsis. CONCLUSION: TRAF6 gene polymorphisms might not play a major role in mediating the susceptibility to and severity of sepsis in the Chinese population. A larger population-based case-control study is warranted.

2.
Chinese Journal of Emergency Medicine ; (12): 904-908, 2010.
Article in Chinese | WPRIM | ID: wpr-387042

ABSTRACT

Objective To explore the association between tumor necrosis factor receptor associated factor 6 (TRAF6) polymorphisms and the susceptibility to sepsis. Method Haplotype tagging single nucleotide polymorphisms (htSNPs) were selected from the HapMap database. The htSNPs were genotyped in 255 patients with sepsis and 260 control subjects by the Beckman SNP stream genotyping platform. The association with susceptibility to and severity of sepsis were estimated by logistic regression with adjustment for age, sex, smoking, drinking,chronic diseases status, APACHE Ⅱ score and critical illness. Results Of 13 TRAF6 ANPs, 7 were tagged by htSNPs. Of them, 5 htSNPs (rs5030496, rs5030411, rs5030416, rs5030445 and rs3740961) were used for final genotyping analysis. Genotype frequencies of those htSNPs were conformed to the Hardy-Weinberg law in both patients and controls. There were no significant association found between the 5 htSNPs and susceptibility to sepsis.Also, there was no significant association between the TRAF6 polymorphisms and the septic shock, death from sepsis as well as organ dysfunction. Conclusions The TRAF6 gene polymorphisms might not play a major role in severity of sepsis.

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