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Extracellular matrix components and regulators in the airway smooth muscle in asthma
Abstract
There is an intimate relationship between the extracellular matrix (ECM) and smooth muscle cells within the airways. Few studies have comprehensively assessed the composition of different ECM components and its regulators within the airway smooth muscle (ASM) in asthma. With the aid of image analysis, the fractional areas of total collagen and elastic fibres were quantified within the ASM of 35 subjects with fatal asthma (FA) and compared with 10 nonfatal asthma (NFA) patients and 22 nonasthmatic control cases. Expression of collagen I and III, fibronectin, versican, matrix metalloproteinase (MMP)-1, -2, -9 and -12 and tissue inhibitor of metalloproteinase-1 and -2 was quantified within the ASM in 22 FA and 10 control cases. In the large airways of FA cases, the fractional area of elastic fibres within the ASM was increased compared with NFA and controls. Similarly, fibronectin, MMP-9 and MMP-12 were increased within the ASM in large airways of FA cases compared with controls. Elastic fibres were increased in small airways in FA only in comparison with NFA cases. There is altered extracellular matrix composition and a degradative environment within the airway smooth muscle in fatal asthma patients, which may have important consequences for the mechanical and synthetic functions of airway smooth muscle.
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Citations
Cited by
Lung Pathology in Fatal Novel Human Influenza A (H1N1) Infection
Mauad, T., Hajjar, L. A., Callegari, G. D., da Silva, L. F. F., Schout, D., Galas, F. R. B. G., Alves, V. A. F., Malheiros, D. M. A. C., Auler, J. O. C., Ferreira, A. F., et al. (2010) · American Journal of Respiratory and Critical Care Medicine · doi:10.1164/rccm.200909-1420oc · Cited by 547
Self-citationBurgstaller, G., Oehrle, B., Gerckens, M., White, E. S., Schiller, H. B., & Eickelberg, O. (2017) · European Respiratory Journal · doi:10.1183/13993003.01805-2016 · Cited by 482
Hough, K. P., Curtiss, M. L., Blain, T. J., Liu, R.-M., Trevor, J., Deshane, J. S., & Thannickal, V. J. (2020) · Frontiers in Medicine · doi:10.3389/fmed.2020.00191 · Cited by 432
Al-Muhsen, S., Johnson, J. R., & Hamid, Q. (2011) · Journal of Allergy and Clinical Immunology · doi:10.1016/j.jaci.2011.04.047 · Cited by 408
The extracellular matrix – the under‐recognized element in lung disease?
Burgess, J. K., Mauad, T., Tjin, G., Karlsson, J. C., & Westergren‐Thorsson, G. (2016) · The Journal of Pathology · doi:10.1002/path.4808 · Cited by 266
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Metadata
- Authors
- Araujo, B. B., Dolhnikoff, M., Silva, L. F. F., Elliot, J., Lindeman, J. H. N., Ferreira, D. S., Mulder, A., Gomes, H. A. P., Fernezlian, S. M., James, A., & Mauad, T.
- Venue
- European Respiratory Journal
- Publisher
- European Respiratory Society (ERS)
- Published
- 2008-03-05
- Volume
- 32
- Issue
- 1
- Pages
- 61-69
- ISSN
- 0903-1936 (ISSN-L)
- 1399-3003
- OpenAlex
- W2075806746
- Cited by
- 233
- References
- 0
- FWCI
- 9.25
- Type
- journal article
- Language
- en
- Open access
- closed
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- Araujo, B. B., Dolhnikoff, M., Silva, L. F. F., Elliot, J., Lindeman, J. H. N., Ferreira, D. S., Mulder, A., Gomes, H. A. P., Fernezlian, S. M., James, A., & Mauad, T. (2008). Extracellular matrix components and regulators in the airway smooth muscle in asthma. European Respiratory Journal. https://doi.org/10.1183/09031936.00147807
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