Mechanical forces induce an asthma gene signature in healthy airway epithelial cells.

Abstract:

:Bronchospasm compresses the bronchial epithelium, and this compressive stress has been implicated in asthma pathogenesis. However, the molecular mechanisms by which this compressive stress alters pathways relevant to disease are not well understood. Using air-liquid interface cultures of primary human bronchial epithelial cells derived from non-asthmatic donors and asthmatic donors, we applied a compressive stress and then used a network approach to map resulting changes in the molecular interactome. In cells from non-asthmatic donors, compression by itself was sufficient to induce inflammatory, late repair, and fibrotic pathways. Remarkably, this molecular profile of non-asthmatic cells after compression recapitulated the profile of asthmatic cells before compression. Together, these results show that even in the absence of any inflammatory stimulus, mechanical compression alone is sufficient to induce an asthma-like molecular signature.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Kılıç A,Ameli A,Park JA,Kho AT,Tantisira K,Santolini M,Cheng F,Mitchel JA,McGill M,O'Sullivan MJ,De Marzio M,Sharma A,Randell SH,Drazen JM,Fredberg JJ,Weiss ST

doi

10.1038/s41598-020-57755-8

subject

Has Abstract

pub_date

2020-01-22 00:00:00

pages

966

issue

1

issn

2045-2322

pii

10.1038/s41598-020-57755-8

journal_volume

10

pub_type

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