The ER stress/upr axis in chronic obstructive pulmonary disease and idiopathic pulmonary fibrosis

Mahmoud Aghaei, Sanaz Dastghaib, Sajjad Aftabi, Mohamad Reza Aghanoori, Javad Alizadeh, Pooneh Mokarram, Parvaneh Mehrbod, Milad Ashrafizadeh, Ali Zarrabi, Kielan Darcy McAlinden, Mathew Suji Eapen, Sukhwinder Singh Sohal, Pawan Sharma, Amir A. Zeki, Saeid Ghavami

Research output: Contribution to journalReview articlepeer-review

7 Scopus citations

Abstract

Cellular protein homeostasis in the lungs is constantly disrupted by recurrent exposure to various external and internal stressors, which may cause considerable protein secretion pressure on the endoplasmic reticulum (ER), resulting in the survival and differentiation of these cell types to meet the increased functional demands. Cells are able to induce a highly conserved adaptive mechanism, known as the unfolded protein response (UPR), to manage such stresses. UPR dysregulation and ER stress are involved in numerous human illnesses, such as metabolic syndrome, fibrotic diseases, and neurodegeneration, and cancer. Therefore, effective and specific compounds targeting the UPR pathway are being considered as potential therapies. This review focuses on the impact of both external and internal stressors on the ER in idiopathic pulmonary fibrosis (IPF) and chronic obstructive pulmonary disease (COPD) and discusses the role of the UPR signaling pathway activation in the control of cellular damage and specifically highlights the potential involvement of non-coding RNAs in COPD. Summaries of pathogenic mechanisms associated with the ER stress/UPR axis contributing to IPF and COPD, and promising pharmacological intervention strategies, are also presented.

Original languageEnglish (US)
Article number1
Pages (from-to)1-27
Number of pages27
JournalLife
Volume11
Issue number1
DOIs
StatePublished - Jan 2021

Keywords

  • Autophagy
  • Endoplasmic reticulum
  • Fibrosis
  • Lung disease
  • Non-coding RNA
  • Tissue remodeling
  • UPR

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry, Genetics and Molecular Biology(all)
  • Space and Planetary Science
  • Palaeontology

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