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Updated: May 21, 2026

Induction and Analysis of Epithelial to Mesenchymal Transition
Published on: August 27, 2013
Induction of epithelial-mesenchymal transition with O-glycosylated oncofetal fibronectin
Yao Ding1, Kirill Gelfenbeyn, Leonardo Freire-de-Lima
1Division of Biomembrane Research, Pacific Northwest Research Institute, 720 Broadway, Seattle, WA 98122, USA.
Abstract:
Epithelial-mesenchymal transition (EMT) has been shown to play a key role in embryogenesis and cancer progression. We previously found that fibronectin (FN) carrying O-GalNAc at a specific site is selectively expressed in cancer and fetal cells/tissues, and termed oncofetal FN (onfFN). Here, we show that (i) a newly-established monoclonal antibody against FN lacking the O-GalNAc, termed normalFN (norFN), is useful for isolation of onfFN, (ii) onfFN, but not norFN, can induce EMT in human lung carcinoma cells, (iii) onfFN has a synergistic effect with transforming growth factor (TGF)β1 in EMT induction.
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