Whereas the role of bronchial smooth muscle remains controversial in healthy subjects its role is well established in asthmatics. Bronchial smooth muscle contraction induces airway narrowing. The smooth muscle also contributes to bronchial inflammation by secreting a range of inflammatory mediators, recruiting and activating inflammatory cells, such as mast cells or T-lymphocytes. In addition, bronchial smooth muscle mass is significantly increased in asthma. Such an increase has been related to a deposition of extracellular matrix proteins, and an increase in both cell size and number. However, the mechanisms of this smooth muscle remodelling are complex and not completely understood. The article will review recent data regarding the pathophysiology of bronchial smooth muscle remodelling in asthma.
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Kings Coll London, MRC, London WC2R 2LS, England
Kings Coll London, Asthma UK Ctr Allerg Mech Asthma, London WC2R 2LS, EnglandKings Coll London, MRC, London WC2R 2LS, England
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Catholic Univ Korea, Dept Internal Med, Coll Med, Div Pulm & Crit Care Med, Seoul 137701, South KoreaCatholic Univ Korea, Dept Internal Med, Coll Med, Div Pulm & Crit Care Med, Seoul 137701, South Korea
Kim, Joo Sang
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Kang, Ji Young
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Kim, Seung Joon
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Kim, Seok Chan
Kwon, Soon Suk
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Catholic Univ Korea, Dept Internal Med, Coll Med, Div Pulm & Crit Care Med, Seoul 137701, South KoreaCatholic Univ Korea, Dept Internal Med, Coll Med, Div Pulm & Crit Care Med, Seoul 137701, South Korea
Kwon, Soon Suk
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Kim, Young Kyoon
Park, Sung Hak
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Catholic Univ Korea, Dept Internal Med, Coll Med, Div Pulm & Crit Care Med, Seoul 137701, South KoreaCatholic Univ Korea, Dept Internal Med, Coll Med, Div Pulm & Crit Care Med, Seoul 137701, South Korea
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Univ Western Australia, Sch Human Sci, 35 Stirling Highway, Crawley, WA 6009, Australia
Univ Western Australia, Telethon Kids Inst, Nedlands, WA 6009, AustraliaUniv Western Australia, Sch Human Sci, 35 Stirling Highway, Crawley, WA 6009, Australia
Wang, Kimberley C. W.
Donovan, Graham M.
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Univ Auckland, Dept Math, Auckland 1142, New ZealandUniv Western Australia, Sch Human Sci, 35 Stirling Highway, Crawley, WA 6009, Australia
Donovan, Graham M.
James, Alan L.
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Sir Charles Gairdner Hosp, West Australian Sleep Disorders Res Inst, Dept Pulm Physiol & Sleep Med, Nedlands, WA 6009, Australia
Univ Western Australia, Med Sch, Nedlands, WA 6009, AustraliaUniv Western Australia, Sch Human Sci, 35 Stirling Highway, Crawley, WA 6009, Australia
James, Alan L.
Noble, Peter B.
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Univ Western Australia, Sch Human Sci, 35 Stirling Highway, Crawley, WA 6009, AustraliaUniv Western Australia, Sch Human Sci, 35 Stirling Highway, Crawley, WA 6009, Australia