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Seminars in Immunopathology
Published in: Seminars in Immunopathology 3/2013

01-05-2013 | Review

The UPR and lung disease

Authors: Fabiola Osorio, Bart Lambrecht, Sophie Janssens

Published in: Seminars in Immunopathology | Issue 3/2013

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Abstract

The respiratory tract has a surface area of approximately 70 m2 that is in direct contact with the external environment. Approximately 12,000 l of air are inhaled daily, exposing the airway epithelium to up to 25 million particles an hour. Several inhaled environmental triggers, like cigarette smoke, diesel exhaust, or allergens, are known inducers of endoplasmatic reticulum (ER) stress and cause a dysregulation in ER homeostasis. Furthermore, some epithelial cell types along the respiratory tract have a secretory function, producing large amounts of mucus or pulmonary surfactant, as well as innate host defense molecules like defensins. To keep up with their secretory demands, these cells must rely on the appropriate functioning and folding capacity of the ER, and they are particularly more vulnerable to conditions of unresolved ER stress. In the lung interstitium, triggering of ER stress pathways has a major impact on the functioning of vascular smooth muscle cells and fibroblasts, causing aberrant dedifferentiation and proliferation. Given the large amounts of foreign material inhaled, the lung is densely populated by various types of immune cells specialized in engulfing and killing pathogens and in secreting cytokines/chemokines for efficient microbial clearance. Unfolded protein response signaling cascades have been shown to intersect with the functioning of immune cells at all levels. The current review aims to highlight the role of ER stress in health and disease in the lung, focusing on its impact on different structural and inflammatory cell types.
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Metadata
Title
The UPR and lung disease
Authors
Fabiola Osorio
Bart Lambrecht
Sophie Janssens
Publication date
01-05-2013
Publisher
Springer-Verlag
Published in
Seminars in Immunopathology / Issue 3/2013
Print ISSN: 1863-2297
Electronic ISSN: 1863-2300
DOI
https://doi.org/10.1007/s00281-013-0368-6

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Year in Review: Valvular heart disease

Valvular Heart Disease Video

Watch Prof. William Zoghbi present the last year's highlights in valvular heart disease from the official ACC.24 Year in Review session.

Year in Review: Heart failure and cardiomyopathies

Heart Failure Video

Watch this official video from ACC.24. Dr. Biykem Bozkurt discusses last year's major advances in heart failure and cardiomyopathies.

ACC 2024 Congress Coverage

Year in Review: Heart failure and cardiomyopathies

Heart Failure Video

Watch this official video from ACC.24. Dr. Biykem Bozkurt discusses last year's major advances in heart failure and cardiomyopathies.

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Semaglutide benefits people with type 2 diabetes and obesity-related heart failure

16-04-2024 Type 2 Diabetes News

Incentivised to exercise

11-04-2024 Lifestyle Modifications News

New intervention for STEMI-related cardiogenic shock

10-04-2024 Myocardial Infarction News

» View more highlights on the ACC 2024 congress hub page

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