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dc.contributor.authorWiparat Manuyakornen_US
dc.contributor.authorDavid E. Smarten_US
dc.contributor.authorAntonio Notoen_US
dc.contributor.authorFabio Bucchierien_US
dc.contributor.authorHans Michael Haitchien_US
dc.contributor.authorStephen T. Holgateen_US
dc.contributor.authorPeter H. Howarthen_US
dc.contributor.authorDonna E. Daviesen_US
dc.contributor.otherSouthampton General Hospitalen_US
dc.contributor.otherUniversita degli Studi di Palermoen_US
dc.contributor.otherIstituto Euro-Mediterraneo di Scienza e Tecnologiaen_US
dc.contributor.otherMahidol Universityen_US
dc.date.accessioned2018-12-11T02:00:30Z
dc.date.accessioned2019-03-14T08:01:42Z-
dc.date.available2018-12-11T02:00:30Z
dc.date.available2019-03-14T08:01:42Z-
dc.date.issued2016-04-01en_US
dc.identifier.citationPLoS ONE. Vol.11, No.4 (2016)en_US
dc.identifier.issn19326203en_US
dc.identifier.other2-s2.0-84964645651en_US
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84964645651&origin=inwarden_US
dc.identifier.urihttp://repository.li.mahidol.ac.th/dspace/handle/123456789/40793-
dc.description.abstract© 2016 Manuyakorn et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Asthma is characterized by periodic episodes of bronchoconstriction and reversible airway obstruction; these symptoms are attributable to a number of factors including increased mass and reactivity of bronchial smooth muscle and extracellular matrix (ECM) in asthmatic airways. Literature has suggested changes in cell responses and signaling can be elicited via modulation of mechanical stress acting upon them, potentially affecting the microenvironment of the cell. In this study, we hypothesized that mechanical strain directly affects the (myo)fibroblast phenotype in asthma. Therefore, we characterized responses of bronchial fibroblasts, from 6 normal and 11 asthmatic non-smoking volunteers, exposed to cyclical mechanical strain using flexible silastic membranes. Samples were analyzed for proteoglycans, α-smooth muscle actin (αSMA), collagens I and III, matrix metalloproteinase (MMP) 2 & 9 and interleukin-8 (IL-8) by qRT-PCR, Western blot, zymography and ELISA. Mechanical strain caused a decrease in αSMA mRNA but no change in either αSMA protein or proteoglycan expression. In contrast the inflammatory mediator IL-8, MMPs and interstitial collagens were increased at both the transcriptional and protein level. The results demonstrate an adaptive response of bronchial fibroblasts to mechanical strain, irrespective of donor. The adaptation involves cytoskeletal rearrangement, matrix remodelling and inflammatory cytokine release. These results suggest that mechanical strain could contribute to disease progression in asthma by promoting inflammation and remodelling responses.en_US
dc.rightsMahidol Universityen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84964645651&origin=inwarden_US
dc.subjectAgricultural and Biological Sciencesen_US
dc.subjectBiochemistry, Genetics and Molecular Biologyen_US
dc.titleMechanical strain causes adaptive change in bronchial fibroblasts enhancing profibrotic and inflammatory responsesen_US
dc.typeArticleen_US
dc.rights.holderSCOPUSen_US
dc.identifier.doi10.1371/journal.pone.0153926en_US
Appears in Collections:Scopus 2016-2017

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