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Neutrophil-derived long noncoding RNA IL-7R predicts development of multiple organ dysfunction syndrome in patients with trauma

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Abstract

Purpose

Overactive neutrophils are thought to be key drivers in the development of post-traumatic multiple organ dysfunction syndrome (MODS). Little is known about the role of inflammation-related lnc-IL7R in trauma. Thus, we aimed to explore the association between neutrophil-derived lnc-IL7R and post-traumatic MODS.

Methods

Total RNA was extracted from the isolated circulating neutrophils in 60 patients with trauma and 33 healthy volunteers for lnc-IL7R expression determination by real-time PCR. The correlation of lnc-IL7R expression with disease severity and the development of post-traumatic MODS was analyzed.

Results

The lnc-IL7R levels were significantly lower in trauma patients, especially in those with severe trauma [Injury Severity Score (ISS) ≥ 16], and correlated negatively with the ISS, Acute Physiology and Chronic Health Evaluation II score, and length of ICU stay. The lnc-IL7R levels were also significantly decreased in patients who developed MODS than in those who did not. Lnc-IL7R was an independent predictor of MODS [odds ratio (OR) 0.654, (0.435–0.982), p = 0.041]. The area under the curve for predicting post-traumatic MODS was 0.799 (sensitivity 76.9%, specificity 71.4%), with a cutoff value of 0.024.

Conclusions

Neutrophil-derived lnc-IL7R is an independent predictor of post-traumatic MODS; therefore, it could be a useful predictive marker for MODS.

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Acknowledgements

The authors wish to thank the staff in the emergency department at Jinling Hospital for the great work.

Funding

This work was supported by grants from the National Natural Science Foundation of China (Grant Nos. 81370172, 81570078, 81770082), Jiangsu Provincial Key Research and Development Program (Grant No. BE 2016721), and Natural science Foundation of Jiangsu Province (Grant No. BK20191351). The authors declare no conflicts of interest.

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Author notes

  1. Jiajia Jin and Hong Qian contributed equally to this study.

Authors and Affiliations

  1. Department of Respiratory and Critical Care Medicine, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, #305, East Zhongshan Road, Nanjing, 210002, China

    Jiajia Jin, Guannan Wu & Yong Song

  2. Department of Orthopedics, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, #305, East Zhongshan Road, Nanjing, 210002, China

    Hong Qian & Nirong Bao

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  1. Jiajia Jin
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Correspondence to Nirong Bao or Yong Song.

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Jin, J., Qian, H., Wu, G. et al. Neutrophil-derived long noncoding RNA IL-7R predicts development of multiple organ dysfunction syndrome in patients with trauma. Eur J Trauma Emerg Surg 48, 1545–1553 (2022). https://doi.org/10.1007/s00068-020-01403-3

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