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Chinese Journal of Neurotraumatic Surgery(Electronic Edition) ›› 2024, Vol. 10 ›› Issue (05): 279-285. doi: 10.3877/cma.j.issn.2095-9141.2024.05.004

• Clinical Researches • Previous Articles     Next Articles

Application value of NF-L,NLRP3,and S100B proteins in assessing the severity and prognosis of traumatic brain injury

Dongyang Wu1, Xiangdan Lin1, Zuolin Shi1, Yulong Zhao1, Zhen Wang1, An'guo Wen2, Xin Ji3, Juzhi Li3, Mingguang Zhao1,()   

  1. 1.Department of Neurosurgery,General Hospital of Northern Theater Command of PLA, Shenyang 110016, China
    2.Department of Neurosurgery, Hospital of the 79th Army of the Army,Liaoyang 111010,China
    3.Department of Neurosurgery,The 967th Medical Officer of the Joint Logistics Support Force of the Chinese People's Liberation Army,Dalian 116021,China
  • Received:2024-05-21 Online:2024-10-15 Published:2025-01-17
  • Contact: Mingguang Zhao

Abstract:

Objective

To investigate the application value of neurofilament light chain (NF-L),nucleotides binding oligomer domain like receptor protein 3(NLRP3)and S100B protein in the evaluation of the severity and prognosis of traumatic brain injury (TBI).

Methods

One hundred TBI patients admitted to Neurosurgery Department of General Hospital of Northern Theater Command of PLA from January 2016 to December 2023 were selected as the study group. The patients were divided into mild group (n=32,GCS>12 score) and moderate to severe group (n=68,GCS≤12 score) according to GCS score at admission. Thirty days after routine treatment, the patients were further divided into good prognosis group (n=72, GOS>3 score) and poor prognosis group (n=28, GOS≤3 score) according to GOS score. One hundred healthy subjects were selected as the control group during the same period. NF-L, NLRP3 and S100B were detected by enzyme-linked immunosorbent assay, and the general data and levels of NF-L,NLRP3 and S100B in the two groups were compared between groups, and receiver operating characteristic (ROC)curve was drawn to analyze the application value of NF-L,NLRP3 and S100B in the evaluation of severity and prognosis of TBI.

Results

The levels of NF-L, NLRP3, and S100B in the study group were higher than those in the control group, and the differences were statistically significant(P<0.05). In the study group, the levels of NF-L, NLRP3, and S100B were higher in the moderate to severe group than in the mild group, the levels of NF-L, NLRP3, and S100B were higher in the poor prognosis group than in the good prognosis group, and the differences were statistically significant (P<0.05).ROC curve analysis showed that the area under the curve (AUC)of NF-L,NLRP3,S100B,and their combined assessment of moderate to severe TBI were 0.682 (0.649-0.715), 0.706 (0.682-0.730), 0.711(0.685-0.737), and 0.824 (0.733-0.915), respectively. The application efficiency of the combined assessment of TBI severity was higher than that of a single indicator; The AUC of NF-L, NLRP3, S100B, and their combined prediction of poor prognosis in TBI were 0.615(0.584-0.646),0.735(0.685-0.785),0.692(0.616-0.768), and 0.816 (0.728-0.904), respectively. The application efficiency of the combined prediction of TBI by the three indicators was higher than that of a single indicator.

Conclusion

NF-L, NLRP3 and S100B are highly expressed in moderate and severe TBI and poor prognosis,which can reflect the severity of TBI and provide a certain reference for predicting poor prognosis.

Key words: Traumatic brain injury, Neurofilament light chain, NLRP3, S100B protein, Prognosis

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