Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5879
Title: IRF6 is involved in the regulation of cell proliferation and transformation in MCF10A cells downstream of notch signaling
Authors: Zengin, Talip
Ekinci, Burcu
Küçükköse, Cansu
Yalçın Özuysal, Özden
Zengin, Talip
Ekinci, Burcu
Küçükköse, Cansu
Yalçın Özuysal, Özden
Keywords: Messenger RNA
Notch receptor
Interferon Regulatory Factors (IRF)
IRF6
Cancer cells
Breast cancer
Cell transformation
Issue Date: 10-Jul-2015
Publisher: Public Library of Science
Source: Zengin, T., Ekinci, B., Küçükköse, C., and Yalçın Özuysal, Ö. (2015). IRF6 is involved in the regulation of cell proliferation and transformation in MCF10A cells downstream of notch signaling. PLoS ONE, 10(7). doi:10.1371/journal.pone.0132757
Abstract: IRF6, a member of Interferon Regulatory Factors (IRF) family, is involved in orofacial and epidermal development. In breast cancer cell lines ectopic expression of IRF6 reduces cell numbers suggesting a role as negative regulator of cell cycle. IRF6 is a direct target of canonical Notch signaling in keratinocyte differentiation. Notch is involved in luminal cell fate determination and stem cell regulation in the normal breast and is implicated as an oncogene in breast cancer. Notch activation is sufficient to induce proliferation and transformation in non-tumorigenic breast epithelial cell line, MCF10A. ΔNp63, which is downregulated by Notch activation in the breast, regulates IRF6 expression in keratinocytes. In this report, we investigate Notch-IRF6 and ΔNp63-IRF6 interactions in MCF10A and MDA MB 231 cells. We observed that in these cells, IRF6 expression is partially regulated by canonical Notch signaling and ΔNp63 downregulation. Furthermore, we demonstrate that IRF6 abrogation impairs Notch-induced proliferation and transformation in MCF10A cells. Thus, we confirm the previous findings by showing a tissue independent regulation of IRF6 by Notch signaling, and extend them by proposing a context dependent role for IRF6, which acts as a positive regulator of proliferation and transformation in MCF10A cells downstream of Notch signaling.
URI: https://doi.org/10.1371/journal.pone.0132757
http://hdl.handle.net/11147/5879
ISSN: 1932-6203
Appears in Collections:Molecular Biology and Genetics / Moleküler Biyoloji ve Genetik
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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