Article (Scientific journals)
The Interplay between Atherosclerosis and Cancer: Breast Cancer Cells Increase the Expression of Endothelial Cell Adhesion Markers.
Scalia, Alessandro; Doumani, Lesly; Kindt, Nadège et al.
2023In Biology, 12 (7), p. 896
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Keywords :
THP-1; atherosclerosis; breast cancer; conditioned medium; oxLDL; oxidation; Biochemistry, Genetics and Molecular Biology (all); Immunology and Microbiology (all); General Immunology and Microbiology; General Biochemistry, Genetics and Molecular Biology
Abstract :
[en] Cardiovascular diseases are the leading causes of death worldwide, closely followed by cancer. To investigate the impact of breast cancer cell lines (SKBR3, MCF-7, and MDA-MB-231) on endothelial cell adhesion, a blended medium containing 30% breast-cancer-conditioned medium was prepared. This medium was then exposed to human umbilical vein endothelial cells (HUVECs) and monocytes (THP-1) for 48 h. Homemade oxidized low-density lipoproteins (oxLDL) were optionally added to the blended medium. Immunofluorescence was performed to assess the expression of E-selectin, connexin-43, and ICAM-1 on HUVECs, as well as LOX-1, CD36, and CD162 on THP-1. Additionally, unoxidized LDL was exposed to the three breast cancer cell lines for 48 h, and the formation of oxLDL was quantified. Our results revealed an upregulation of all six adhesion markers involved in the initiation of atherosclerosis when HUVECs and THP-1 were exposed to the breast-cancer-conditioned medium. Furthermore, this expression was further increased by exposure to oxLDL. We also observed a significant elevation in oxLDL levels when LDL was exposed to breast cancer cells. In conclusion, our findings successfully demonstrate an increased LDL oxidation in the presence of breast cancer cells, accompanied by an augmented expression of receptors involved in atherosclerosis initiation. These findings shed new light on the clinically observed interplay between atherosclerosis and cancer.
Disciplines :
Cardiovascular & respiratory systems
Author, co-author :
Scalia, Alessandro  ;  Université de Mons - UMONS
Doumani, Lesly;  Department of Cardiology, Research Institute for Health Sciences and Technology, University of Mons (UMONS), 7000 Mons, Belgium
Kindt, Nadège;  Department of Cardiology, Research Institute for Health Sciences and Technology, University of Mons (UMONS), 7000 Mons, Belgium ; Department of Clinical and Experimental Oncology, Institut Jules Bordet, Université Libre de Bruxelles, 1000 Brussels, Belgium
Journe, Fabrice  ;  Université de Mons - UMONS ; Department of Clinical and Experimental Oncology, Institut Jules Bordet, Université Libre de Bruxelles, 1000 Brussels, Belgium
Trelcat, Anne ;  Université de Mons - UMONS
Carlier, Stéphane  ;  Université de Mons - UMONS > Faculté de Médecine et de Pharmacie > Service de Cardiologie
Language :
English
Title :
The Interplay between Atherosclerosis and Cancer: Breast Cancer Cells Increase the Expression of Endothelial Cell Adhesion Markers.
Publication date :
22 June 2023
Journal title :
Biology
eISSN :
2079-7737
Publisher :
Multidisciplinary Digital Publishing Institute (MDPI), Switzerland
Volume :
12
Issue :
7
Pages :
896
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
M106 - Cardiologie
Research institute :
R550 - Institut des Sciences et Technologies de la Santé
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since 21 August 2023

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