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Article type: Research Article
Authors: Zhu, Li-Ronga; 1 | Yuan, Rong-Xiaa; b; 1 | Xia, Xian-Bina | Wang, Yic | Zhu, Yu-Mina | Fi, Linga | Li, Jiana; *
Affiliations: [a] Department of Pulmonary Medicine, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China | [b] Department of Respiratory Disease, Yancheng Third People’s Hospital, Yancheng, Jiangsu, China | [c] Center of Experimental Medicine, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
Correspondence: [*] Corresponding author: Jian Li, Department of Pulmonary Medicine, Affiliated Hospital of Jiangsu University, 438 North Jiefang Street, Zhenjiang, Jiangsu 212001, China. E-mail: lijian541226@ujs.edu.cn.
Note: [1] The two authors contributed equally as co-first authors.
Abstract: BACKGROUND: Differential diagnosis between malignant pleural effusion (MPE) and benign pleural effusion (BPE) remains a clinical challenge. OBJECTIVE: The aim of the study is to assess the efficacy of the serum and pleural fluid (PF) miRNA panels in distinguishing MPE from BPE. METHODS: Fourteen candidate miRNAs which were shown aberrant expression in lung cancer based on previous studies were tested by quantitative real-time PCR (qRT-PCR) in 20 MPE patients and 20 BPE patients. Significantly aberrantly expressed miRNAs were further assessed by qRT-PCR in all patients enrolled in this study. A receiver operating characteristic (ROC) curve was constructed, and the area under the ROC curve (AUC) was calculated to evaluated the diagnostic performance of the miRNAs. RESULTS: miR-21, miR-29c and miR-182 were found to be significantly aberrantly expressed in the serum and PF of MPE patients. The AUCs for the combination of miR-21, miR-29c and miR-182 in serum and PF were 0.832 and 0.89 respectively in distinguishing MPE from infection-associated PE including tuberculous pleurisy and parapneumonia PE, and 0.866 and 0.919 respectively for differentiating MPE from heart failure-associated PE, which were superior to AUC of each individual miRNAs. CONCLUSIONS: miR-21, miR-29c and miR-182 in serum and PF could be useful biomarkers for diagnosis of MPE.
Keywords: Pleural effusion, differential diagnosis, biomarkers, miR-21, miR-29c, miR-182
DOI: 10.3233/CBM-210090
Journal: Cancer Biomarkers, vol. 33, no. 1, pp. 71-82, 2022
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