Donato Lacedonia1,2, Giulia Scioscia3,4, Piera Soccio3,4, Massimo Conese3, Lucia Catucci5, Grazia P Palladino6, Filomena Simone3, Carla M I Quarato3, Sante Di Gioia3, Roberto Rana3, Francesco Sollitto7, Maria P Foschino-Barbaro3,4. 1. Department of Medical and Surgical Sciences, University of Foggia, 71122, Foggia, Italy. pulmfoggia@gmail.com. 2. Institute of Respiratory Diseases, Policlinico Riuniti of Foggia, 71122, Foggia, Italy. pulmfoggia@gmail.com. 3. Department of Medical and Surgical Sciences, University of Foggia, 71122, Foggia, Italy. 4. Institute of Respiratory Diseases, Policlinico Riuniti of Foggia, 71122, Foggia, Italy. 5. Department of Chemistry, University "Aldo Moro" of Bari, 70126, Bari, Italy. 6. Medical Genetics, Department of Laboratory Diagnostics, Policlinico Riuniti of Foggia, 71122, Foggia, Italy. 7. Institute of Thoracic Surgery, University of Foggia, 71122, Foggia, Italy.
Abstract
BACKGROUND: Idiopathic Pulmonary Fibrosis (IPF) is a degenerative interstitial lung disease with both a poor prognosis and quality of life once the diagnosis is made. In the last decade many features of the disease have been investigated to better understand the pathological steps that lead to the onset of the disease and, moreover, different types of biomarkers have been tested to find valid diagnostic, prognostic and therapy response predictive ones. In the complexity of IPF, microRNA (miRNAs) biomarker investigation seems to be promising. METHODS: We analysed the expression of five exosomal miRNAs supposed to have a role in the pathogenesis of the disease from serum of a group of IPF patients (n = 61) and we compared it with the expression of the same miRNAs in a group of healthy controls (n = 15). RESULTS: In the current study what emerged is let-7d down-regulation and, unexpectedly, miR-16 significant down-regulation. Moreover, through a cross-sectional analysis, a clustering of the expression of miR-16, miR-21 and miR-26a was found. CONCLUSIONS: These findings could help the individuation of previously unknown key players in the pathophysiology of IPF and, most interestingly, more specific targets for the development of effective medications.
BACKGROUND:Idiopathic Pulmonary Fibrosis (IPF) is a degenerative interstitial lung disease with both a poor prognosis and quality of life once the diagnosis is made. In the last decade many features of the disease have been investigated to better understand the pathological steps that lead to the onset of the disease and, moreover, different types of biomarkers have been tested to find valid diagnostic, prognostic and therapy response predictive ones. In the complexity of IPF, microRNA (miRNAs) biomarker investigation seems to be promising. METHODS: We analysed the expression of five exosomal miRNAs supposed to have a role in the pathogenesis of the disease from serum of a group of IPF patients (n = 61) and we compared it with the expression of the same miRNAs in a group of healthy controls (n = 15). RESULTS: In the current study what emerged is let-7d down-regulation and, unexpectedly, miR-16 significant down-regulation. Moreover, through a cross-sectional analysis, a clustering of the expression of miR-16, miR-21 and miR-26a was found. CONCLUSIONS: These findings could help the individuation of previously unknown key players in the pathophysiology of IPF and, most interestingly, more specific targets for the development of effective medications.
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