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Published on: September 22, 2020
Circulating lncRNA NEAT1 correlates with increased risk, elevated severity and unfavorable prognosis in sepsis
Qinghe Huang1, Cuiyu Huang2, Yan Luo1
1Department of Intensive Care Unit, Zhongshan Hospital Affiliated to Xiamen University, Xiamen, China.
Objective:
To investigate the correlation of circulating long non-coding RNA nuclear-enriched abundant transcript 1 (lncRNA NEAT1) expression with disease risk, severity, prognosis and inflammatory cytokine levels in sepsis patients.
Methods:
152 sepsis patients and 150 health controls (HCs) were enrolled in this study. Plasma and serum samples were obtained from sepsis patients and HCs, and lncRNA NEAT1 expression in plasma was determined by quantitative polymerase chain reaction, while levels of inflammatory cytokines in serum were detected by enzyme linked immune sorbent assay.
Results:
LncRNA NEAT1 expression was remarkably higher in sepsis patients than in HCs (P < 0.001). Receiver operating characteristic (ROC) curve disclosed a good predictive value of lncRNA NEAT1 expression for sepsis risk with area under curve (AUC) of 0.730 (95% CI: 0.740-0.861). Subsequent multivariate logistic regression analysis demonstrated that lncRNA NEAT1 expression was independently associated with higher sepsis risk (P < 0.001). In sepsis patients, lncRNA NEAT1 expression was also observed to be positively correlated with Acute Physiology and Chronic Health Evaluation (APACHE) II score (P < 0.001), serum tumor necrosis factor-α (P < 0.001), interleukin (IL)-1β (P = 0.043), IL-6 (P = 0.001) and IL-8 (P = 0.038), while negatively correlated with IL-10 (P < 0.001). In addition, lncRNA NEAT1 expression was increased in non-survivors compared to survivors (P = 0.006), and ROC curve revealed a good prognostic value of lncRNA NEAT1 for non-survivor risk with AUC 0.641 (95% CI: 0.536-0.746).
Conclusion:
Circulating lncRNA NEAT1 correlates with increased disease risk, elevated severity and unfavorable prognosis as well as higher expression of pro-inflammatory cytokines in sepsis patients.
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