Downregulation of exosomal let-7d and miR-16 in idiopathic pulmonary fibrosis

Author:

Lacedonia Donato,Scioscia Giulia,Soccio Piera,Conese Massimo,Catucci Lucia,Palladino Grazia P.,Simone Filomena,Quarato Carla M. I.,Di Gioia Sante,Rana Roberto,Sollitto Francesco,Foschino-Barbaro Maria P.

Abstract

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.

Publisher

Springer Science and Business Media LLC

Subject

Pulmonary and Respiratory Medicine

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