Emerging cellular and molecular determinants of idiopathic pulmonary fibrosis

Thi Hang Giang Phan, Panagiotis Paliogiannis, Gheyath Nasrallah, Roberta Giordo, Ali Hussein Eid, Alessandro Fois, Angelo Zinellu, Arduino Aleksander Mangoni, Gianfranco Pintus

Research output: Contribution to journalReview articlepeer-review

139 Citations (Scopus)


Idiopathic pulmonary fibrosis (IPF), the most common form of idiopathic interstitial pneumonia, is a progressive, irreversible, and typically lethal disease characterized by an abnormal fibrotic response involving vast areas of the lungs. Given the poor knowledge of the mechanisms underpinning IPF onset and progression, a better understanding of the cellular processes and molecular pathways involved is essential for the development of effective therapies, currently lacking. Besides a number of established IPF-associated risk factors, such as cigarette smoking, environmental factors, comorbidities, and viral infections, several other processes have been linked with this devastating disease. Apoptosis, senescence, epithelial-mesenchymal transition, endothelial-mesenchymal transition, and epithelial cell migration have been shown to play a key role in IPF-associated tissue remodeling. Moreover, molecules, such as chemokines, cytokines, growth factors, adenosine, glycosaminoglycans, non-coding RNAs, and cellular processes including oxidative stress, mitochondrial dysfunction, endoplasmic reticulum stress, hypoxia, and alternative polyadenylation have been linked with IPF development. Importantly, strategies targeting these processes have been investigated to modulate abnormal cellular phenotypes and maintain tissue homeostasis in the lung. This review provides an update regarding the emerging cellular and molecular mechanisms involved in the onset and progression of IPF.
Original languageEnglish
Pages (from-to)2031-2057
Number of pages27
JournalCellular and Molecular Life Sciences
Issue number5
Publication statusPublished - Mar 2021


  • Idiopathic pulmonary fibrosis
  • Molecular pathways
  • EndMT
  • Senescence
  • Apoptosis
  • Chemokines
  • Cytokines
  • EMT
  • Cell plasticity


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