Trefoil factor-2 reverses airway remodeling changes in allergic airways disease

Simon Guy Royce, Clarice Lim, Ruth Cecilia Magdalene Muljadi, Chrishan S Samuel, Katherine Ververis, Tom C Karagiannis, Andrew S Giraud, Mimi LK Tang

Research output: Contribution to journalArticleResearchpeer-review

16 Citations (Scopus)

Abstract

Trefoil factor 2/TFF2 is a small peptide with an important role in mucosal repair. TFF2 is up-regulated in asthma suggesting a role in asthma pathogenesis. Given its known biological role in promoting epithelial repair, TFF2 might be expected to have a protective function in limiting the progression of airway remodeling in asthma. The contribution of TFF2 to airway remodeling in asthma was investigated by examining the expression of TFF2 in the airway/lung, and evaluating the effects of recombinant TFF2 treatment on established airway remodeling in a mouse model of chronic allergic airways disease (AAD). Balb/c mice were sensitized and challenged with ovalbumin (OVA) or saline for 9 weeks, while mice with established OVA-induced AAD were treated with TFF2 or vehicle control (intranasally for 14 days). Effects on airway remodeling, airway inflammation and airway hyperresponsiveness were then assessed, while TFF2 expression was determined by immunohistochemistry. TFF2 expression was significantly increased in the airways of mice with AAD as compared to expression levels in controls. TFF2 treatment resulted in reduced epithelial thickening, subepithelial collagen deposition, goblet cell metaplasia, bronchial epithelium apoptosis and airway hyperresponsiveness (all p
Original languageEnglish
Pages (from-to)135 - 144
Number of pages10
JournalAmerican Journal of Respiratory Cell and Molecular Biology
Volume48
Issue number1
DOIs
Publication statusPublished - 2013

Cite this

Royce, Simon Guy ; Lim, Clarice ; Muljadi, Ruth Cecilia Magdalene ; Samuel, Chrishan S ; Ververis, Katherine ; Karagiannis, Tom C ; Giraud, Andrew S ; Tang, Mimi LK. / Trefoil factor-2 reverses airway remodeling changes in allergic airways disease. In: American Journal of Respiratory Cell and Molecular Biology. 2013 ; Vol. 48, No. 1. pp. 135 - 144.
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Trefoil factor-2 reverses airway remodeling changes in allergic airways disease. / Royce, Simon Guy; Lim, Clarice; Muljadi, Ruth Cecilia Magdalene; Samuel, Chrishan S; Ververis, Katherine; Karagiannis, Tom C; Giraud, Andrew S; Tang, Mimi LK.

In: American Journal of Respiratory Cell and Molecular Biology, Vol. 48, No. 1, 2013, p. 135 - 144.

Research output: Contribution to journalArticleResearchpeer-review

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