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- Title
Role of Circular RNAs in Pulmonary Fibrosis.
- Authors
Zhou, Jian; Chen, Yali; He, Menglin; Li, Xuehan; Wang, Rurong
- Abstract
Pulmonary fibrosis is a chronic progressive form of interstitial lung disease, characterized by the histopathological pattern of usual interstitial pneumonia. Apart from aberrant alterations of protein-coding genes, dysregulation of non-coding RNAs, including microRNAs, long non-coding RNAs, and circular RNAs (circRNAs), is crucial to the initiation and progression of pulmonary fibrosis. CircRNAs are single-stranded RNAs that form covalently closed loops without 5′ caps and 3′ tails. Different from canonical splicing of mRNA, they are produced from the back-splicing of precursor mRNAs and have unique biological functions, as well as potential biomedical implications. They function as important gene regulators through multiple actions, including sponging microRNAs and proteins, regulating transcription, and splicing, as well as protein-coding and translation in a cap-independent manner. This review comprehensively summarizes the alteration and functional role of circRNAs in pulmonary fibrosis, with a focus on the involvement of the circRNA in the context of cell-specific pathophysiology. In addition, we discuss the diagnostic and therapeutic potential of targeting circRNA and their regulatory pathway mediators, which may facilitate the translation of recent advances from bench to bedside in the future.
- Subjects
CIRCULAR RNA; PULMONARY fibrosis; IDIOPATHIC pulmonary fibrosis; LINCRNA; NON-coding RNA; INTERSTITIAL lung diseases
- Publication
International Journal of Molecular Sciences, 2022, Vol 23, Issue 18, pN.PAG
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms231810493