CD109 promotes the tumorigenic ability and metastatic motility of pancreatic ductal adenocarcinoma cells

Yuuri Hatsuzawa, Kazunori Yamaguchi, Tomoka Takanashi, Ikuro Sato, Keiichi Tamai, Mai Mochizuki, Wataru Iwai, Yuta Wakui, Makoto Abue, Kuniharu Yamamoto, Jun Yasuda, Masamichi Mizuma, Michiaki Unno, Kazuo Sugamura

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Accumulating evidence indicates that CD109, a glycosylphosphatidylinositol-anchored glycoprotein, is highly expressed in human epithelial carcinomas of multiple organs including the pancreas, but its functional role in carcinoma development has not yet been fully clarified. The aim of this study was to investigate the role of CD109 in the malignancy of pancreatic ductal adenocarcinoma (PDAC). Methods: PDAC specimens of 145 cases were immunostained for CD109, and correlations between CD109 expression and clinicopathological conditions were analyzed. CD109 expression in PANC-1 cells, a PDAC-derived cell line, was decreased by siRNA or shRNA and its effect on the malignancy of PANC-1 cells was examined. Results: Suppression of CD109 expression in PANC-1 cells resulted in reduction of in vitro cell motility and tumorigenicity in xenografts. Based on these results, we investigated the relationship between CD109 expression and metastasis of PDAC using tumor tissue specimens. Among 106 recurrent cases of 145 PDAC, there was a tendency for CD109-positive cases to be accompanied by distant metastasis. Conclusions: CD109 plays a critical role in the promotion of tumorigenic ability and cellular motility relating to metastasis of PDAC cells.

Original languageEnglish
Pages (from-to)493-500
Number of pages8
JournalPancreatology
Volume20
Issue number3
DOIs
Publication statusPublished - 2020 Apr

Keywords

  • CD109
  • Metastasis
  • PANC-1 cells
  • Pancreatic cancer

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Hepatology
  • Gastroenterology

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