The role of pea3 group transcription factors in esophageal squamous cell carcinoma.

H. Yuen, C.M. McCrudden, K. Chan, M.L. Wong, K.Y. Chan, U. Khoo, S. Law, G. Srivastava, Terence Lappin, K. Chan, Mohamed El-Tanani El-Tanani

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

The transcription factors Pea3, Erm, and Er81 can promote cancer initiation and progression in various types of solid tumors. However, their role in esophageal squamous cell carcinoma (ESCC) has not been elucidated. In this study, we found that the expression levels of Pea3 and Erm, but not that of Er81, were significantly higher in ESCC compared with nontumor esophageal epithelium. A high level of Pea3 expression was significantly correlated with a shorter overall survival in a cohort of 81 patients with ESCC and the subgroup with N1 stage tumor (Wilcoxon-Gehan test, P = 0.016 and P = 0.001, respectively). Pea3 was overexpressed in seven ESCC cell lines compared with two immortalized esophageal cell lines. Pea3 knockdown reduced cell proliferation and suppressed nonadherent growth, migration, and invasion in ESCC cells in vitro. In addition, Pea3 knockdown in ESCC cells resulted in a down-regulation of phospho-Akt and matrix metalloproteinase 13, whereas a significant positive correlation in the expression levels was observed between Pea3 and phospho-Akt (r = 0.281, P
Original languageEnglish
Pages (from-to)992-1003
Number of pages12
JournalThe American journal of pathology
Volume179(2)
Issue number2
DOIs
Publication statusPublished - Aug 2011

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

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