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Important Endpoints and Proliferative Markers to Assess Small Intestinal Injury and Adaptation using a Mouse Model of Chemotherapy-Induced Mucositis
Published on: May 12, 2019
Gastrin-induced proliferation involves MEK partner 1 (MP1)
Tonje S Steigedal1, Wenche S Prestvik, Linn-Karina M Selvik
1Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology (NTNU), Postbox 8909, 7491, Trondheim, Norway. tonje.strommen@ntnu.no
Abstract:
The peptide hormone gastrin is an important factor for the maintenance and homeostasis of the gastric mucosa. We show that gastrin stimulates proliferation in a dose-dependent manner in the human gastric adenocarcinoma cell line AGS-GR. Furthermore, we demonstrate that the MAPK scaffold protein MEK partner 1 (MP1) is important for gastrin-induced phosphorylation of ERK1 and ERK2 and that MP1 promotes gastrin-induced proliferation of AGS-GR cells. Our results suggest a role of MP1 in gastrin-induced cellular responses involved in proliferation and homeostasis of the gastric mucosa.
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