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Effect of pro-inflammatory cytokine stimulation on human breast cancer: Implications of chemokine receptor expression in cancer metastasis

  • Julio E. Valdivia-Silva
  • , Janusz Franco-Barraza
  • , Ana Luisa Esparza Silva
  • , Gisela Du Pont
  • , Gloria Soldevila
  • , Isaura Meza
  • , Eduardo A. García-Zepeda

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

Interactions between tumour cells and microenvironments may affect their growth and metastasis formation. In search for a better understanding of the role of cellular mediators in the progression of cancer, we investigated the effect of pro-inflammatory cytokines IL-1, IL-6, TNF-α and IFN-γ on the regulation of expression of chemokine receptors CXCR4, CXCR2, CX3CR1, CCR9, and CCR5 in the human breast cancer cell line MCF-7. Our results showed that IL-1 increased CXCR4 expression whereas TNF-α increased CX3CR1, CCR9 and CCR5. Interestingly, this regulation was not homogeneous, emphasizing the inherent heterogeneity in cancer that may be responsive to specific inflammatory microenvironments.

Original languageEnglish
Pages (from-to)176-185
Number of pages10
JournalCancer Letters
Volume283
Issue number2
DOIs
StatePublished - 8 Oct 2009
Externally publishedYes

Keywords

  • Chemokine
  • Chemokine receptor
  • Cytokine
  • Inflammation
  • Invasion

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