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Título: | Specific Effects of Trabectedin and Lurbinectedin on Human Macrophage Function and Fate—Novel Insights |
Autor: | Povo-Retana, Adrián CSIC ORCID CVN; Mojena, Marina CSIC ORCID; Stremtan, Adrian B.; Fernández-García, Victoria CSIC ORCID; Gómez-Sáez, Ana CSIC; Nuevo‐Tapioles, Cristina; Molina-Guijarro, José M.; Avendaño-Ortiz, José; Cuezva, José M. CSIC ORCID; López-Collazo, Eduardo CSIC; Martínez-Leal, Juan Fernando; Boscá, Lisardo CSIC ORCID CVN | Palabras clave: | Macrophage Trabectedin Lurbinectedin Tumor-associated macrophage Apoptosis Cell viability Caspases Respiration Calcium dynamics Mitochondria ATP |
Fecha de publicación: | 2020 | Editor: | Multidisciplinary Digital Publishing Institute | Citación: | Cancers 12(10): 3060 (2020) | Resumen: | Background: Tumor-associated macrophages (TAMs) play a crucial role in suppressing the immunosurveillance function of the immune system that prevents tumor growth. Indeed, macrophages can also be targeted by different chemotherapeutic agents improving the action over immune checkpoints to fight cancer. Here we describe the effect of trabectedin and lurbinectedin on human macrophage cell viability and function. Methods: Blood monocytes from healthy donors were differentiated into macrophages and exposed to different stimuli promoting functional polarization and differentiation into tumor-associated macrophages. Cells were challenged with the chemotherapeutic drugs and the effects on cell viability and function were analyzed. Results: Human macrophages exhibit at least two different profiles in response to these drugs. One-fourth of the blood donors assayed (164 individuals) were extremely sensitive to trabectedin and lurbinectedin, which promoted apoptotic cell death. Macrophages from other individuals retained viability but responded to the drugs increasing reactive oxygen production and showing a rapid intracellular calcium rise and a loss of mitochondrial oxygen consumption. Cell-membrane exposure of programmed-death ligand 1 (PD-L1) significantly decreased after treatment with therapeutic doses of these drugs, including changes in the gene expression profile of hypoxia-inducible factor 1 alpha (HIF-1α)-dependent genes, among other. Conclusions: The results provide evidence of additional onco-therapeutic actions for these drugs. | Descripción: | © 2020 by the authors. | Versión del editor: | http://dx.doi.org/10.3390/cancers12103060 | URI: | http://hdl.handle.net/10261/236325 | DOI: | 10.3390/cancers12103060 | E-ISSN: | 2072-6694 |
Aparece en las colecciones: | (IIBM) Artículos (CBM) Artículos |
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