• Zhao-Xia Duan, Wei Gu, Lian-Yang Zhang, Dong-Po Jiang, Jian Zhou, Ding-Yuan Du, Lin Zen, Ke-Hong Chen, Qing Liu, and Jian-Xin Jiang.
• Department 6 of Research Institute of Surgery, Daping Hospital, State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University, Chongqing, China.
• J Trauma. 2011 Apr 1; 70 (4): 954958954-8.

BackgroundTumor necrosis factor (TNF) is a proinflammatory cytokine that plays a major role in the sepsis and multiple organ dysfunction secondary to major trauma. The purpose of this article was to research the clinical relevance of the TNF gene polymorphism in patients with major trauma.MethodsThree hundred six patients with major trauma were prospectively recruited. The TNF gene polymorphisms were genotyped using restriction fragment length polymorphism analysis. Plasma TNF-α levels were determined with enzyme-linked immunosorbent assay. Sepsis morbidity rate and multiple organ dysfunction scores were accessed.ResultsThe TNF-α/-308 polymorphism was shown to be well associated with increased capacity of peripheral leukocytes to produce TNF-α in response to ex vivo lipopolysaccharide stimulation in trauma patients at admission. Results from association study indicated that trauma patients carrying the TNF-α/-308/A allele were more likely complicated with sepsis.ConclusionsThe TNF-α/-308 polymorphism might be used as a biomarker for the assessment of outcome of trauma patients, but the TNF-β/252 gene polymorphism might not influence the development of complications in patients with major trauma.

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