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  • 1
    Electronic Resource
    Electronic Resource
    Digestive diseases and sciences 43 (1998), S. 2309-2316 
    ISSN: 1573-2568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Factors and mechanisms involved in esophagealmucosal injury and repair are not well known. The aim ofthis study was to assess the effects of growth factorsand prostaglandins on esophageal mucosal cell repair activities. Rabbit esophageal cells wereisolated, cultured, and exposed to different growthfactors and prostaglandin E2. Subconfluentcell cultures were used to study proliferative responsesdetermined by [3H]thymidine incorporation intoDNA. Restitution was studied in confluent monolayerswounded by mechanical denudation. Restitution was themain mechanism involved in wound repair within the first24 hr. HGF, IGF-I, and EGF dose-dependentlystimulated cell proliferation but did not affectrestitution. TGF-β1 inhibited bothproliferation and restitution while PDGF-BB andprostaglandin E2 had no effect. Esophageal epithelial cell restitution andproliferation are affected by growth factors. HGF,IGF-I, EGF (stimulation), and TGF-β1(inhibition) are major growth factors affecting in vitroesophageal wound repair activities, which, unlike those ofother areas of the digestive tract, are not affected byprostaglandins.
    Type of Medium: Electronic Resource
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