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FEBS Lett. 2013 Sep 17;587(18):3115-21. doi: 10.1016/j.febslet.2013.07.049. Epub 2013 Aug 14.

Sal-like 4 (SALL4) suppresses CDH1 expression and maintains cell dispersion in basal-like breast cancer.

Author information

1
Laboratory for Malignancy Control Research, Medical Innovation Center, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan. junji-itou@umin.ac.jp

Abstract

In cell cultures, the dispersed phenotype is indicative of the migratory ability. Here we characterized Sal-like 4 (SALL4) as a dispersion factor in basal-like breast cancer. Our shRNA-mediated SALL4 knockdown system and SALL4 overexpression system revealed that SALL4 suppresses the expression of adhesion gene CDH1, and positively regulates the CDH1 suppressor ZEB1. Cell behavior analyses showed that SALL4 suppresses intercellular adhesion and maintains cell motility after cell-cell interaction and cell division, which results in the dispersed phenotype. Our findings indicate that SALL4 functions to suppress CDH1 expression and to maintain cell dispersion in basal-like breast cancer.

KEYWORDS:

Adhesion; Basal-like breast cancer; E-cadherin; EMT; Epithelial mesenchymal transition; HMLE; Migration; SALL4; Sal-like 4; Transcription factor; epithelial mesenchymal transition; immortalized human mammary epithelial cells

PMID:
23954296
DOI:
10.1016/j.febslet.2013.07.049
[Indexed for MEDLINE]
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