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Identification of circulating microRNA profiles associated with pulmonary function and radiologic features in survivors of SARS-CoV-2-induced ARDS

2022; Taylor & Francis; Volume: 11; Issue: 1 Linguagem: Inglês

10.1080/22221751.2022.2081615

2222-1751

María C. García‐Hidalgo, Jessica González, Iván D. Benítez, Paola Carmona, Sally Santisteve, Manel Perez‐Pons, Anna Moncusí‐Moix, Clara Gort‐Paniello, Fátima Rodríguez‐Jara, Marta Molinero, Thalía Belmonte, Gerard Torres, Gonzalo Labarca, Estefanía Nova‐Lamperti, Jesús Caballero, Jesús F. Bermejo-Martín, Adrián Ceccato, Laia Fernández‐Barat, Ricard Ferrer, Dario García-Gasulla, Rosario Menéndez, Ana Motos, Óscar Peñuelas, Jordi Riera, Antoní Torres, Ferrán Barbé, David de Gonzalo‐Calvo,

COVID-19 Clinical Research Studies

There is a limited understanding of the pathophysiology of postacute pulmonary sequelae in severe COVID-19. The aim of current study was to define the circulating microRNA (miRNA) profiles associated with pulmonary function and radiologic features in survivors of SARS-CoV-2-induced ARDS. The study included patients who developed ARDS secondary to SARS-CoV-2 infection (n = 167) and a group of infected patients who did not develop ARDS (n = 33). Patients were evaluated 3 months after hospital discharge. The follow-up included a complete pulmonary evaluation and chest computed tomography. Plasma miRNA profiling was performed using RT-qPCR. Random forest was used to construct miRNA signatures associated with lung diffusing capacity for carbon monoxide (DLCO) and total severity score (TSS). Kyoto Encyclopedia of Genes and Genomes (KEGG) and Gene Ontology (GO) enrichment analyses were conducted. DLCO < 80% predicted was observed in 81.8% of the patients. TSS showed a median [P25;P75] of 5 [2;8]. The miRNA model associated with DLCO comprised miR-17-5p, miR-27a-3p, miR-126-3p, miR-146a-5p and miR-495-3p. Concerning radiologic features, a miRNA signature composed by miR-9-5p, miR-21-5p, miR-24-3p and miR-221-3p correlated with TSS values. These associations were not observed in the non-ARDS group. KEGG pathway and GO enrichment analyses provided evidence of molecular mechanisms related not only to profibrotic or anti-inflammatory states but also to cell death, immune response, hypoxia, vascularization, coagulation and viral infection. In conclusion, diffusing capacity and radiological features in survivors from SARS-CoV-2-induced ARDS are associated with specific miRNA profiles. These findings provide novel insights into the possible molecular pathways underlying the pathogenesis of pulmonary sequelae.Trial registration: ClinicalTrials.gov identifier: NCT04457505..Trial registration: ISRCTN.org identifier: ISRCTN16865246..