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April 19, 2026Cancer Research

Abstract LB304: Ligand-dependent Wnt signaling drives metastatic niche formation in gastric cancer

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Authors

HOHiroko OshimaYFYuichiro FurutaniNINoriyuki Inaki

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Overview

Research demonstrates ligand-dependent Wnt signaling promotes metastasis in gastric cancer, implying new therapeutic targets.

Key Points

  • This research aims to explore the role of ligand-dependent Wnt signaling in gastric cancer metastasis and development.
  • Utilized genetically engineered mouse models with specific mutations in gastric epithelial cells.
  • Compared tumor development in mice expressing Wnt1 (WKTP) to those without (KTP).
  • Conducted metastasis analysis using organoids derived from WKTP and KTP mice.
  • WKTP mice developed dysplastic tumors while KTP mice only exhibited gastric metaplasia.
  • Organoids from WKTP mice formed liver metastases, unlike those from KTP mice.
  • Hyaluronan accumulation in the liver metastatic niche is associated with Wnt signaling in stromal cells.

Cite This Study

Oshima et al. (2026) studied this question.

synapsesocial.com/papers/69e4734c010ef96374d8f23ahttps://doi.org/10.1158/1538-7445.am2026-lb304
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