RGD Reference Report - CCR5 antagonist blocks metastasis of basal breast cancer cells. - Rat Genome Database

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CCR5 antagonist blocks metastasis of basal breast cancer cells.

Authors: Velasco-Velazquez, M  Jiao, X  De La Fuente, M  Pestell, TG  Ertel, A  Lisanti, MP  Pestell, RG 
Citation: Velasco-Velazquez M, etal., Cancer Res. 2012 Aug 1;72(15):3839-50. doi: 10.1158/0008-5472.CAN-11-3917. Epub 2012 May 25.
RGD ID: 8551813
Pubmed: PMID:22637726   (View Abstract at PubMed)
DOI: DOI:10.1158/0008-5472.CAN-11-3917   (Journal Full-text)

The roles of the chemokine CCL5 and its receptor CCR5 in breast cancer progression remain unclear. Here, we conducted microarray analysis on 2,254 human breast cancer specimens and found increased expression of CCL5 and its receptor CCR5, but not CCR3, in the basal and HER-2 genetic subtypes. The subpopulation of human breast cancer cell lines found to express CCR5 displayed a functional response to CCL5. In addition, oncogene transformation induced CCR5 expression, and the subpopulation of cells that expressed functional CCR5 also displayed increased invasiveness. The CCR5 antagonists maraviroc or vicriviroc, developed to block CCR5 HIV coreceptor function, reduced in vitro invasion of basal breast cancer cells without affecting cell proliferation or viability, and maraviroc decreased pulmonary metastasis in a preclinical mouse model of breast cancer. Taken together, our findings provide evidence for the key role of CCL5/CCR5 in the invasiveness of basal breast cancer cells and suggest that CCR5 antagonists may be used as an adjuvant therapy to reduce the risk of metastasis in patients with the basal breast cancer subtype.



RGD Manual Disease Annotations    Click to see Annotation Detail View

  
Object SymbolSpeciesTermQualifierEvidenceWithNotesSourceOriginal Reference(s)
CCR5HumanExperimental Mammary Neoplasms  IMP  RGD 
Ccr5RatExperimental Mammary Neoplasms  ISOCCR5 (Homo sapiens) RGD 
Ccr5MouseExperimental Mammary Neoplasms  ISOCCR5 (Homo sapiens) RGD 

Objects Annotated

Genes (Rattus norvegicus)
Ccr5  (C-C motif chemokine receptor 5)

Genes (Mus musculus)
Ccr5  (C-C motif chemokine receptor 5)

Genes (Homo sapiens)
CCR5  (C-C motif chemokine receptor 5)


Additional Information