• Longxiang Su, Changting Liu, Cong Li, Zhaoxu Jiang, Kun Xiao, Xin Zhang, Ming Li, Peng Yan, Dan Feng, and Lixin Xie.
• Department of Respiratory Diseases, Hainan Branch of Chinese PLA General Hospital, Sanya, Hainan Province 572013, China.
• Inflammation. 2012 Dec 1;35(6):1833-43.

AbstractThis study explored the association of sepsis prognosis with dynamic changes in serum soluble triggering receptor expressed on myeloid cells-1 (sTREM-1) and its polymorphisms. We enrolled 80 subjects with sepsis and 80 controls. Serum sTREM-1 was tested on days 1, 3, 5, 7, 10, and 14. PCR sequencing was performed to detect TREM-1 genetic variation on its four exons. sTREM-1 levels were significantly higher in the nonsurvivor than in the survivor group (p < 0.001), and those at each time point were the same (p ≤ 0.001). Of the three tested TREM-1 SNPs (rs144672509, rs2234237, and rs2234246), only rs2234237 (Ser25Thr) was significantly associated with sepsis prognosis in three inheritance models (p < 0.05). However, there was no relationship between TREM-1 polymorphism and dynamic concentration of sTREM-1. Logistic regression showed that sTREM-1, APACHE II, and rs2234237 polymorphism are risk factors for prognosis. Dynamic changes in serum sTREM-1 and rs2234237 polymorphism could be used in sepsis prognosis assessment.

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