Tracing anti-cancer and cancer-promoting actions of all-trans retinoic acid in breast cancer to a RARa epigenetic mechanism of mammary epithelial cell fate

Stefano Rossetti, Ming Qiang Ren, Nicolo Visconti, Francesca Corlazzoli, Vincenzo Gagliostro, Giulia Somenzi, Jin Yao, Yijun Sun, Nicoletta Sacchi

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A hallmark of cancer cells is the ability to evade the growth inhibitory/pro-apoptotic action of physiological all-trans retinoic acid (RA) signal, the bioactive derivative of Vitamin A. However, as we and others reported, RA can also promote cancer cell growth and invasion. Here we show that anticancer and cancer-promoting RA actions in breast cancer have roots in a mechanism of mammary epithelial cell morphogenesis that involves both transcriptional (epigenetic) and non-transcriptional RARa (RARA) functions. We found that the mammary epithelial cell-context specific degree of functionality of the RARA transcriptional (epigenetic) component of this mechanism, by tuning the effects of the non-transcriptional RARA component, determines different cell fate decisions during mammary morphogenesis. Indeed, factors that hamper the RARA epigenetic function make physiological RA drive aberrant morphogenesis via non-transcriptional RARA, thus leading to cell transformation. Remarkably, also the cell context-specific degree of functionality of the RARA epigenetic component retained by breast cancer cells is critical to determine cell fate decisions in response to physiological as well as supraphysiological RA variation. Overall this study supports the proof of principle that the epigenetic functional plasticity of the mammary epithelial cell RARA mechanism, which is essential for normal morphogenetic processes, is necessary to deter breast cancer onset/progression consequent to the insidious action of physiological RA.

Original languageEnglish (US)
Pages (from-to)87064-87080
Number of pages17
JournalOncotarget
Volume7
Issue number52
DOIs
StatePublished - Jan 1 2016

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Tretinoin
Epigenomics
Breast
Epithelial Cells
Breast Neoplasms
Morphogenesis
Neoplasms
Growth
Vitamin A

Keywords

  • Breast cancer
  • Epigenetic transcriptional regulation
  • Mammary epithelial cell fate decisions
  • RARA
  • Retinoic acid (RA)

ASJC Scopus subject areas

  • Oncology

Cite this

Tracing anti-cancer and cancer-promoting actions of all-trans retinoic acid in breast cancer to a RARa epigenetic mechanism of mammary epithelial cell fate. / Rossetti, Stefano; Ren, Ming Qiang; Visconti, Nicolo; Corlazzoli, Francesca; Gagliostro, Vincenzo; Somenzi, Giulia; Yao, Jin; Sun, Yijun; Sacchi, Nicoletta.

In: Oncotarget, Vol. 7, No. 52, 01.01.2016, p. 87064-87080.

Research output: Contribution to journalArticle

Rossetti, S, Ren, MQ, Visconti, N, Corlazzoli, F, Gagliostro, V, Somenzi, G, Yao, J, Sun, Y & Sacchi, N 2016, 'Tracing anti-cancer and cancer-promoting actions of all-trans retinoic acid in breast cancer to a RARa epigenetic mechanism of mammary epithelial cell fate', Oncotarget, vol. 7, no. 52, pp. 87064-87080. https://doi.org/10.18632/oncotarget.13500
Rossetti, Stefano ; Ren, Ming Qiang ; Visconti, Nicolo ; Corlazzoli, Francesca ; Gagliostro, Vincenzo ; Somenzi, Giulia ; Yao, Jin ; Sun, Yijun ; Sacchi, Nicoletta. / Tracing anti-cancer and cancer-promoting actions of all-trans retinoic acid in breast cancer to a RARa epigenetic mechanism of mammary epithelial cell fate. In: Oncotarget. 2016 ; Vol. 7, No. 52. pp. 87064-87080.
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