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The human enhancer of filamentation 1 (HEF1) is a multi-domain docking protein of the p130 Cas family. Research reports on the mechanism of HEF1 in gastric cancer (GC) differentiation are limited. In this study, we reveal that HEF1 plays an essential role in regulating of differentiation in human GC. HEF1 was found to be highly expressed in GC tissues. Besides, In GC tissues or cells, cellular level of HEF1 negatively correlated with tumor differentiation. In addition, we showed that upregulation of HEF1 increased Wnt5a expression and the nuclear translocation of β-catenin, thereby resulting in poor differentiation in GC. Notably, GC patients with a higher expression of HEF1 showed significantly poorer disease-free and overall survival. Thus, our findings suggest that HEF1 reduces differentiation through the Wnt5a/β-catenin signaling pathway and that HEF1 is an independent unfavorable prognostic death factor in GC.
Pubmed ID: 30579603
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