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Bioactive glass modulation of intestinal epithelial cell restitution

Paper ID Volume ID Publish Year Pages File Format Full-Text
2347 109 2009 8 PDF Available
Title
Bioactive glass modulation of intestinal epithelial cell restitution
Abstract

Repair of superficial injury to the gastrointestinal mucosa involves the process of restitution, the rapid migration of epithelial cells across damaged areas. The effect of 45S5 bioactive glass on epithelial restitution was assessed using a novel co-culture model incorporating wounded intestinal epithelial cell monolayers and sub-epithelial myofibroblasts to simulate in vivo conditions that occur during superficial mucosal ulceration. Epithelial wound healing was not increased by culture medium conditioned with bioactive glass, with 1% (w/v) bioactive glass inhibiting cell migration. Epithelial wounds co-cultured with myofibroblasts grown on surfaces coated with 0.1% (w/v) bioactive glass increased wound healing compared with co-cultures containing no bioactive glass. Myofibroblasts grown on surfaces coated with bioactive glass secreted significantly increased amounts of basic fibroblast growth factor but did not increase epithelial cell proliferation, indicating the wound healing observed was due to restitution. These data from a model of superficial mucosal injury suggest bioactive glass may function as a stimulant of paracrine mucosal signaling networks that promotes rapid epithelial repair.

Keywords
Bioactive glass; Epithelial; Restitution
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Bioactive glass modulation of intestinal epithelial cell restitution
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Publisher
Database: Elsevier - ScienceDirect
Journal: Acta Biomaterialia - Volume 5, Issue 1, January 2009, Pages 76–83
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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