Coxsackie and adenovirus receptor is a target and a mediator of estrogen action in breast cancer

David Vindrieux, Ludovic Le Corre, Jer Tsong Hsieh, Raphaël Métivier, Pauline Escobar, Andrès Caicedo, Madly Brigitte, Gwendal Lazennec

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The involvement of the coxsackie and adenovirus receptor (CAR), an adhesion molecule known to be the main determinant of adenovirus transduction of the cells, in cancer is currently under investigation. Recent reports suggest that CAR levels are elevated in breast cancer, and this may have an impact on its use as means of delivery for gene therapy. In this study, we show that estradiol (E2) treatment of the estrogen receptor (ER)-positive breast cancer cell MCF-7 increases CAR levels and, in turn, enhances adenoviral transduction. Employing the transfection of CAR promoters in breast cancer cells, we show that this regulation of CAR expression occurs at the transcriptional level. In addition, and by chromatin immunoprecipitation, we have identified a crucial region of CAR promoter that controls E2 responsiveness of CAR gene through the recruitment of ER. Moreover, utilizing CAR antibodies or CAR silencing by RNA interference repressed the estrogen-dependent growth of breast cancer cells, whereas the stable expression of CAR in MCF-7 or MDA-MB-231 cells led to an increased proliferation. Altogether, our data suggest that CAR is a novel estrogen-responsive gene, which is involved in the E2-dependent proliferation of breast cancer cells.

Original languageEnglish (US)
Pages (from-to)311-321
Number of pages11
JournalEndocrine-Related Cancer
Volume18
Issue number3
DOIs
StatePublished - Jun 2011

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Coxsackie and Adenovirus Receptor-Like Membrane Protein
Estrogens
Breast Neoplasms
Estrogen Receptors
Chromatin Immunoprecipitation
MCF-7 Cells
RNA Interference
Adenoviridae
Genetic Therapy
Genes
Transfection

ASJC Scopus subject areas

  • Endocrinology
  • Oncology
  • Cancer Research
  • Endocrinology, Diabetes and Metabolism

Cite this

Vindrieux, D., Le Corre, L., Hsieh, J. T., Métivier, R., Escobar, P., Caicedo, A., ... Lazennec, G. (2011). Coxsackie and adenovirus receptor is a target and a mediator of estrogen action in breast cancer. Endocrine-Related Cancer, 18(3), 311-321. https://doi.org/10.1530/ERC-10-0230

Coxsackie and adenovirus receptor is a target and a mediator of estrogen action in breast cancer. / Vindrieux, David; Le Corre, Ludovic; Hsieh, Jer Tsong; Métivier, Raphaël; Escobar, Pauline; Caicedo, Andrès; Brigitte, Madly; Lazennec, Gwendal.

In: Endocrine-Related Cancer, Vol. 18, No. 3, 06.2011, p. 311-321.

Research output: Contribution to journalArticle

Vindrieux, D, Le Corre, L, Hsieh, JT, Métivier, R, Escobar, P, Caicedo, A, Brigitte, M & Lazennec, G 2011, 'Coxsackie and adenovirus receptor is a target and a mediator of estrogen action in breast cancer', Endocrine-Related Cancer, vol. 18, no. 3, pp. 311-321. https://doi.org/10.1530/ERC-10-0230
Vindrieux, David ; Le Corre, Ludovic ; Hsieh, Jer Tsong ; Métivier, Raphaël ; Escobar, Pauline ; Caicedo, Andrès ; Brigitte, Madly ; Lazennec, Gwendal. / Coxsackie and adenovirus receptor is a target and a mediator of estrogen action in breast cancer. In: Endocrine-Related Cancer. 2011 ; Vol. 18, No. 3. pp. 311-321.
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