Stromal ccl5 promotes breast cancer progression by interacting with CCR3 in tumor cells

Mio Yamaguchi, Kiyoshi Takagi, Koki Narita, Yasuhiro Miki, Yoshiaki Onodera, Minoru Miyashita, Hironobu Sasano, Takashi Suzuki

Research output: Contribution to journalArticlepeer-review

Abstract

Chemokines secreted from stromal cells have important roles for interactions with carcinoma cells and regulating tumor progression. C-C motif chemokine ligand (CCL) 5 is expressed in various types of stromal cells and associated with tumor progression, interacting with C-C chemo-kine receptor (CCR) 1, 3 and 5 expressed in tumor cells. However, the expression on CCL5 and its receptors have so far not been well-examined in human breast carcinoma tissues. We therefore im-munolocalized CCL5, as well as CCR1, 3 and 5, in 111 human breast carcinoma tissues and correlated them with clinicopathological characteristics. Stromal CCL5 immunoreactivity was signifi-cantly correlated with the aggressive phenotype of breast carcinomas. Importantly, this tendency was observed especially in the CCR3-positive group. Furthermore, the risk of recurrence was sig-nificantly higher in the patients with breast carcinomas positive for CCL5 and CCR3 but negative for CCR1 and CCR5, as compared with other patients. In summary, the CCL5-CCR3 axis might contribute to a worse prognosis in breast cancer patients, and these findings will contribute to a better understanding of the significance of the CCL5/CCRs axis in breast carcinoma microenviron-ment.

Original languageEnglish
Article number1918
Pages (from-to)1-13
Number of pages13
JournalInternational journal of molecular sciences
Volume22
Issue number4
DOIs
Publication statusPublished - 2021 Feb 2

Keywords

  • Breast carcinoma
  • Chemokine
  • Immunohistochemistry
  • Prognosis
  • Tumor microenviron-ment

ASJC Scopus subject areas

  • Catalysis
  • Molecular Biology
  • Spectroscopy
  • Computer Science Applications
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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