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MINERVA PNEUMOLOGICA

A Journal on Diseases of the Respiratory System


Official Journal of the Italian Society of Thoracic Endoscopy
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Minerva Pneumologica 2017 June;56(2):90-5

DOI: 10.23736/S0026-4954.16.01773-9

Copyright © 2016 EDIZIONI MINERVA MEDICA

language: English

Diagnostic value of LunX mRNA and CEA mRNA expression in pleural fluid of patients with non-small cell lung cancer

Khatereh GHADIMI 1, Naghmeh BAHRAMI 2, 3, Mohammad FATHI 4, Behrooz FARZANEGAN 5, Tahereh NAJI 1, Maral EMAMI 6, Abdolreza MOHAMADNIA 7, 8

1 Department of Molecular and Cellular Sciences, Faculty of Advanced Sciences and Technology, Pharmaceutical Sciences Branch, Islamic Azad University, Tehran, Iran; 2 Craniomaxillofacial Research Center, Tehran University of Medical Sciences, Tehran, Iran; 3 Department of Oral and Maxillofacial Surgery, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran; 4 Anesthesiology Research Center, Department of Anesthesia and Critical Care, Shahid Modares Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran; 5 Tracheal Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran; 6 Tabagism Prevention and Control Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran; 7 Virology Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran; 8 Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran


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BACKGROUND: Absence of diagnostic markers for early detection of lung cancer results in its progression. No specific biomarkers are currently available for accurate detection of lung cancer. Thus, detection of lung cancer in its early stages is challenging. This study sought to assess the expression of lung-specific X protein (LunX) and carcinoembryonic antigen (CEA) tumor markers in patients with non-small cell lung cancer (NSCLC) to evaluate their efficacy for detection of lung cancer in its early stages.
METHODS: This study was performed on pleural fluid of 80 individuals including 40 NSCLC patients and 40 healthy controls. RNA extraction was performed on pleural fluid samples. Using a specific kit, cDNA was synthesized from the mRNA and gene analysis was performed using real-time reverse transcription polymerase chain reaction (real-time RT-PCR).
RESULTS: The expression of LunX mRNA was positive in the pleural fluid samples of 90% of NSCLC patients (36 out of 40). The CEA mRNA marker was also positive in the pleural fluid samples of 82.5% of NSCLC patients (33 out of 40). The CEA mRNA marker was positive in 12 out of 40 healthy controls. None of the healthy controls was positive for LunX mRNA.
CONCLUSIONS: The LunX and CEA mRNAs in the pleural fluid can serve as promising biomarkers for detection of NSCLC.


KEY WORDS: Human BPIFA1 protein - Carcinoembryonic antigen - Pleural cavity - Non-small cell lung carcinoma

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Publication History

Issue published online: May 8, 2017
Manuscript accepted: December 31, 2016
Manuscript received: December 17, 2016

Cite this article as

Ghadimi K, Bahrami N, Fathi M, Farzanegan B, Naji T, Emami M, et al. Diagnostic value of LunX mRNA and CEA mRNA expression in pleural fluid of patients with non-small cell lung cancer. Minerva Pneumol 2017;56:90-5. DOI: 10.23736/S0026-4954.16.01773-9

Corresponding author e-mail

mohamadnia.ar@gmail.com