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Título: | Exosome-mimetic nanoplatforms for targeted cancer drug delivery |
Autor: | Vázquez-Ríos, Abi J.; Molina-Crespo, Ángela; Bouzo, Belén L.; López-López, Rafael; Moreno-Bueno, Gema CSIC ORCID; Fuente, María de la | Palabras clave: | Exosomes Exosome-mimetic nanoplatforms Biomimetics Drug delivery systems Gene therapy Cancer |
Fecha de publicación: | 2019 | Editor: | BioMed Central | Citación: | Journal of Nanobiotechnology 17: 85 (2019) | Resumen: | [Background]: Lack of effective tumor-specific delivery systems remains an unmet clinical challenge for successful translation of innovative therapies, such as, therapeutic oligonucleotides. In the past decade, exosomes have been suggested to be ideal drug delivery systems with application in a broad range of pathologies including cancer, due to their organotropic properties. Tumor-derived exosomes, having tumor-homing properties, can efficiently reach cancer cells and therefore behave as carriers for improved drug delivery to the primary tumor and metastases. However, due to their complex composition, and still undefined biological functions, safety concerns arise hampering their translation to the clinics. [Results]: We propose here the development of exosome-mimetic nanosystems (EMNs) that simulate natural tumor-derived exosomes with respect to their structure and functionality, but with a controlled composition, for the targeted delivery of therapeutic oligonucleotides to lung adenocarcinoma cells (microRNA-145 mimics). Making use of the well-known liposome technology, EMNs can be engineered, loaded with the therapeutic compounds, and tailored with specific proteins (integrin α6β4) providing them organotropic properties. EMNs show great similarities to natural exosomes with respect to their physicochemical properties, drug loading capacity, and ability to interact with the cancer target cells in vitro and in vivo, but are easier to manufacture, can be produced at high yields, and are safer by definition. [Conclusions]: We have designed a multifunctional nanoplatform mimicking exosomes, EMNs, and proved their potential to reach cancer cells with a similar efficient that tumor-derived exosomes but providing important advantages in terms of production methodology and regulations. Additionally, EMNs are highly versatile systems that can be tunable for a broader range of applications. |
Descripción: | © The Author(s) 2019. | Versión del editor: | http://dx.doi.org/10.1186/s12951-019-0517-8 | URI: | http://hdl.handle.net/10261/206550 | DOI: | 10.1186/s12951-019-0517-8 | E-ISSN: | 1477-3155 |
Aparece en las colecciones: | (IIBM) Artículos |
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Exosome_mimetic_Vazquez_Rios_Art2019.pdf | 2,51 MB | Adobe PDF | Visualizar/Abrir |
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