Clinicopathological and Prognostic Significance of Epithelial Gremlin1 Expression in Gastric Cancer

Anticancer Research
Ririno HonmaWataru Yasui

Abstract

Gastric cancer (GC) is one of the most common malignancies worldwide. Gremlin1 is an antagonist of bone morphogenetic proteins that plays a critical role in several biological processes including cancer biology. We immunohistochemically examined the expression and distribution of Gremlin1 in non-neoplastic gastric mucosa in a series of 159 GC cases. Among 159 GC primary tumors, 59 (37%) were positive for Gremlin1. Gremlin1-negative GC cases showed significantly more advanced clinicopathologic factors and a trend toward intestinal-type GC. Gremlin1 expression was also frequently observed in MUC5AC-positive and G-type GC cases. Gremlin1-negative GCs had a poorer survival rate than Gremlin1-positive GCs (p=0.002). Univariate and multivariate analyses revealed that Gremlin1 expression is an independent predictor of survival in GCs. These results indicate that Gremlin1 could be involved in GC progression and may be a good marker of long-term survival in GC.

Citations

Apr 27, 2019·Frontiers in Surgery·Hakan Kulacoglu, Ferdinand Köckerling

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