Home > Publications database > Tumoral Immune Cell Exploitation in Colorectal Cancer Metastases Can Be Targeted Effectively by Anti-CCR5 Therapy in Cancer Patients. |
Journal Article | DKFZ-2017-02077 |
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2016
Cell Press
Cambridge, Mass.
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Please use a persistent id in citations: doi:10.1016/j.ccell.2016.03.005
Abstract: The immune response influences the clinical course of colorectal cancer (CRC). Analyzing the invasive margin of human CRC liver metastases, we identified a mechanism of immune cell exploitation by tumor cells. While two distinct subsets of myeloid cells induce an influx of T cells into the invasive margin via CXCL9/CXCL10, CCL5 is produced by these T cells and stimulates pro-tumoral effects via CCR5. CCR5 blockade in patient-derived functional in vitro organotypic culture models showed a macrophage repolarization with anti-tumoral effects. These anti-tumoral effects were then confirmed in a phase I trial with a CCR5 antagonist in patients with liver metastases of advanced refractory CRC. Mitigation of tumor-promoting inflammation within the tumor tissue and objective tumor responses in CRC were observed.
Keyword(s): CCL5 protein, human ; CCR5 protein, human ; Chemokine CCL5 ; Chemokines ; Cyclohexanes ; Interferon-alpha ; Neoplasm Proteins ; Phenylurea Compounds ; Pyridines ; Receptors, CCR5 ; STAT3 Transcription Factor ; STAT3 protein, human ; Triazoles ; Clodronic Acid ; regorafenib ; maraviroc ; NG-Nitroarginine Methyl Ester
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