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Título: | Low-intensity continuous ultrasound to inhibit cancer cell migration |
Autor: | González, Itziar; Luzuriaga, Jon; Valdivieso, Alba CSIC; Candil, Manuel CSIC; Frutos, Jesús; López, Jaime; Hernández, Luis; Rodríguez-Lorenzo, Luis M. CSIC ORCID CVN ; Yaguë-Jiménez, Virginia CSIC ORCID; Blanco-Murillo, José Luis; Pinto, Alberto CSIC ORCID ; Earl, Julie | Palabras clave: | Low-intensity ultrasounds Cancer cells Migration Inhibition Tumor Long-term effects |
Fecha de publicación: | ene-2023 | Editor: | Frontiers Media | Citación: | Frontiers in Cell and Developmental Biology 10: 842965 (2023) | Resumen: | In recent years, it has been verified that collective cell migration is a fundamental step in tumor spreading and metastatic processes. In this paper, we demonstrate for the first time how low-intensity ultrasound produces long-term inhibition of collective migration of epithelial cancer cells in wound healing processes. In particular, we show how pancreatic tumor cells, PANC-1, grown as monolayers in vitro respond to these waves at frequencies close to 1 MHz and low intensities (<100mWcm−2) for 48–72 h of culture after some minutes of a single ultrasound irradiation. This new strategy opens a new line of action to block the spread of malignant cells in cancer processes. Despite relevant spatial variations of the acoustic pressure amplitude induced in the assay, the cells behave as a whole, showing a collective dynamic response to acoustic performance. Experiments carried out with samples without previous starving showed remarkable effects of the LICUs from the first hours of culture, more prominent than those with experiments with monolayers subjected to fasting prior to the experiments. This new strategy to control cell migration demonstrating the effectiveness of LICUS on not starved cells opens a new line of action to study effects of in vivo ultrasonic actuation on tumor tissues with malignant cells. This is a proof-of-concept study to demonstrate the physical effects of ultrasound stimulation on tumor cell migration. An in-depth biological study of the effects of ultrasounds and underlying biological mechanisms is on-going but out of the scope of this article. | Versión del editor: | https://doi.org/10.3389/fcell.2022.842965 | URI: | http://hdl.handle.net/10261/286927 | DOI: | 10.3389/fcell.2022.842965 | E-ISSN: | 2296-634X |
Aparece en las colecciones: | (ICTP) Artículos (ITEFI) Artículos |
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