Protective effects of intestinal trefoil factor (ITF) on gastric mucosal epithelium through activation of extracellular signal-regulated kinase 1/2 (ERK1/2).

Abstract:

:The rapid repair of gastric mucosa is critical upon exposure to injurious agents. Intestinal trefoil factor (ITF) is a member of the trefoil factor family domain peptides, which play an important role in the cytoprotection of gastric epithelium. However, the underlying molecular mechanisms that are responsible for ITF-induced gastric epithelial repair remain unclear. In the present study, we demonstrate that ITF enhances the proliferation and migration of GES-1 gastric endothelial cells in a dose- and time-dependent manner through the activation of extracellular signal-regulated kinase 1/2 (ERK1/2). Furthermore, the ITF-mediated protection of GES-1 cells from a NS398 (nonsteroidal anti-inflammatory drug) was dependent on the ERK1/2 signaling pathway. Taken together, the results provide a mechanistic explanation for ITF-mediated protection of gastric epithelial mucosa cells, suggesting that activation of the ERK1/2 signaling pathway may provide a new therapeutic strategy for repairing gastric injury.

journal_name

Mol Cell Biochem

authors

Lin J,Sun Z,Zhang W,Liu H,Shao D,Ren Y,Wen Y,Cao L,Wolfram J,Yang Z,Nie S

doi

10.1007/s11010-015-2386-2

subject

Has Abstract

pub_date

2015-06-01 00:00:00

pages

263-70

issue

1-2

eissn

0300-8177

issn

1573-4919

journal_volume

404

pub_type

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