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Article

Effect of Chemokine (C-C Motif) Ligand 7 (CCL7) and Its Receptor (CCR2) Expression on Colorectal Cancer Behaviors

1
Department of Medicine, Centre for Molecular Medicine, Karolinska Institute, 171 76 Stockholm, Sweden
2
Department of Internal Medicine, Hypertension and Vascular Diseases, Medical University of Warsaw, 02 097 Warsaw, Poland
3
Laboratory of Neurogenomics, Institute of Genetics and Animal Breeding, Polish Academy of Sciences, 05 552 Jastrzębiec, Poland
4
Institute of Health Sciences, Pope John Paul II State School of Higher Education, 21-500 Biała Podlaska, Poland
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2019, 20(3), 686; https://0-doi-org.brum.beds.ac.uk/10.3390/ijms20030686
Received: 9 December 2018 / Revised: 16 January 2019 / Accepted: 24 January 2019 / Published: 5 February 2019
(This article belongs to the Special Issue Molecular Mechanisms in Cancer Metastasis)
Colorectal cancer is the source of one of the most common cancer-related deaths worldwide, where the main cause of patient mortality remains metastasis. The aim of this study was to determine the role of CCL7 (chemokine (C-C motif) ligand 7) in tumor progression and finding whether it could predict survival of colorectal cancer patients. Initially, our study focused on the crosstalk between mesenchymal stem cells (MSCs) and CT26 colon carcinoma cells and resulted in identifying CCL7 as a chemokine upregulated in CT26 colon cancer cells cocultured with MSCs, compared with CT26 in monoculture in vitro. Moreover, we showed that MSCs enhance CT26 tumor cell proliferation and migration. We analyzed the effect of CCL7 overexpression on tumor progression in a murine CT26 model, where cells overexpressing CCL7 accelerated the early phase of tumor growth and caused higher lung metastasis rates compared with control mice. Microarray analysis revealed that tumors overexpressing CCL7 had lower expression of immunoglobulins produced by B lymphocytes. Additionally, using Jh mutant mice, we confirmed that in the CT26 model, CCL7 has an immunoglobulin-, and thereby, B-cell-dependent effect on metastasis formation. Finally, higher expression of CCL7 receptor CCR2 (C-C chemokine receptor type 2) was associated with shorter overall survival of colorectal cancer patients. Altogether, we showed that CCL7 is essentially involved in the progression of colorectal cancer in a CT26 mouse model and that the expression of its receptor CCR2 could be related to a different outcome pattern of patients with colorectal carcinoma. View Full-Text
Keywords: chemokine; CCL7; colon cancer; tumor growth; metastasis; immunoglobulins chemokine; CCL7; colon cancer; tumor growth; metastasis; immunoglobulins
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MDPI and ACS Style

Kurzejamska, E.; Sacharczuk, M.; Landázuri, N.; Kovtonyuk, O.; Lazarczyk, M.; Ananthaseshan, S.; Gaciong, Z.; Religa, P. Effect of Chemokine (C-C Motif) Ligand 7 (CCL7) and Its Receptor (CCR2) Expression on Colorectal Cancer Behaviors. Int. J. Mol. Sci. 2019, 20, 686. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms20030686

AMA Style

Kurzejamska E, Sacharczuk M, Landázuri N, Kovtonyuk O, Lazarczyk M, Ananthaseshan S, Gaciong Z, Religa P. Effect of Chemokine (C-C Motif) Ligand 7 (CCL7) and Its Receptor (CCR2) Expression on Colorectal Cancer Behaviors. International Journal of Molecular Sciences. 2019; 20(3):686. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms20030686

Chicago/Turabian Style

Kurzejamska, Ewa, Mariusz Sacharczuk, Natalia Landázuri, Oksana Kovtonyuk, Marzena Lazarczyk, Sharan Ananthaseshan, Zbigniew Gaciong, and Piotr Religa. 2019. "Effect of Chemokine (C-C Motif) Ligand 7 (CCL7) and Its Receptor (CCR2) Expression on Colorectal Cancer Behaviors" International Journal of Molecular Sciences 20, no. 3: 686. https://0-doi-org.brum.beds.ac.uk/10.3390/ijms20030686

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