• Clin. Chim. Acta · Mar 2020

    Serum human epididymis protein 4 concentrations are associated with severity of patients with pulmonary tuberculosis.

    • Laisheng Li, Yingsheng Yao, Jianbo Liang, Xiaoxia Zhan, Fen Wang, Caifeng Yue, Ben-Quan Wu, Shengfeng Hu, Min Liu, Jianxin Wan, and Jinmei Luo.
    • Department of Laboratory Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, People's Republic of China.
    • Clin. Chim. Acta. 2020 Mar 1; 502: 255-260.

    BackgroundHuman epididymis protein 4 (HE4) has been recognized as a biomarker which elevated in various diseases. The aim of this study was to evaluate the value of serum HE4 in pulmonary tuberculosis (PTB).MethodsSerum HE4 concentrations were determined in 127 PTB, 88 chronic bronchitis (CHB), and 105 healthy control subjects by chemiluminescent microparticle immunoassay. Receiver operating characteristic (ROC) curves and Spearman's correlation analysis were performed for investigating value of HE4.ResultsSerum HE4 concentrations were significantly increased in PTB (62.8 pmol/L, IQR 45.8-90.7), compared with that of CHB (50.2 pmol/L, IQR 42.3-64.3, P = 0.0002) and normal control (35.4 pmol/L, IQR 31.1-42.9, P < 0.0001). ROC curve suggested that the AUC of HE4 used to discriminate PTB from CHB was 0.647 (95% CI, 0.574-0.719), with the cutoff value, sensitivity, specificity, PPV, and NPV at 71.9 pmol/L, 0.417, 0.852, 0.672 and 0.543, respectively. Meanwhile, compared with mild to moderated PTB, the levels of HE4 in advanced PTB were significantly elevated (75.8 vs. 57.7 pmol/L, P = 0.0052). What's more, the levels of HE4 in PTB were found to be significantly associated with the albumin, CRP, and cavity (r = -0.2996, P = 0.0006, r = 0.265, P = 0.0026, r = 0.4699, P < 0.0001, respectively).ConclusionsElevated serum HE4 concentration could be used as a biomarker for the diagnosis and assessment of disease severity in PTB.Copyright © 2019 Elsevier B.V. All rights reserved.

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