Scientific publications

Circulating miR-206 and miR-1246 as Markers in the Early Diagnosis of Lung Cancer in Patients with Chronic Obstructive Pulmonary Disease

Aug 4, 2023 | Magazine: International Journal of Molecular Sciences

Elizabeth Córdoba-Lanús 1 2 3, Angélica Domínguez de-Barros 2, Alexis Oliva 2 4, Delia Mayato 5, Francisca Gonzalvo 5, Ana Remírez-Sanz 6, Javier J Zulueta 7 8 9, Bartolomé Celli 10, Ciro Casanova 1 5 11


Lung cancer (LC) is the most common cause of cancer death, with 75% of cases being diagnosed in late stages. This study aimed to determine potential miRNAs as biomarkers for the early detection of LC in chronic obstructive pulmonary disease (COPD) cases. Ninety-nine patients were included, with registered clinical and lung function parameters followed for 6 years.

miRNAs were determined in 16 serum samples from COPD patients (four with LC and four controls) by next generation sequencing (NGS) at LC diagnosis and 3 years before. The validation by qPCR was performed in 33 COPD-LC patients and 66 controls at the two time points. Over 170 miRNAs (≥10 TPM) were identified; among these, miR-224-5p, miR-206, miR-194-5p, and miR-1246 were significantly dysregulated (p < 0.001) in COPD-LC 3 years before LC diagnosis when compared to the controls. The validation showed that miR-1246 and miR-206 were differentially expressed in COPD patients who developed LC three years before (p = 0.035 and p = 0.028, respectively).

The in silico enrichment analysis showed miR-1246 and miR-206 to be linked to gene mediators in various signaling pathways related to cancer. Our study demonstrated that miR-1246 and miR-206 have potential value as non-invasive biomarkers 

CITA DEL ARTÍCULO Int J Mol Sci. 2023 Aug 4;24(15):12437. doi: 10.3390/ijms241512437.

Our authors

Dr. Ana Remírez Sanz de Acedo
Laboratory technician Solid Tumor Research Program