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Recolector de Ciencia Abierta, RECOLECTA
Bachelor thesis . 2015
License: CC BY NC ND
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Recolector de Ciencia Abierta, RECOLECTA
Bachelor thesis . 2015
License: CC BY NC ND
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
UCrea
Bachelor thesis . 2015
License: CC BY NC ND
Data sources: UCrea
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Nanomedicinas contra el cáncer

Nanomedicines against cancer
Authors: Franco Domingo, Noemí;

Nanomedicinas contra el cáncer

Abstract

El cáncer es una enfermedad de distribución mundial con cifras de morbimortalidad elevadas convirtiendo en una prioridad la investigación en este campo. Los microtúbulos y los filamentos de actina participan en la división celular por lo que son diana de las principales terapias antineoplásicas. La Nanotecnología es una ciencia en auge, en la que los nanomateriales están adquiriendo relevancia en la medicina. Los Nanotubos de carbono (Carbon NanoTubes: CNT) comparten propiedades estructurales con los elementos del citoesqueleto ejerciendo así un papel como estabilizadores de microtúbulos y filamentos de actina alterando el ciclo celular y modificando el fenotipo celular. Debido a las resistencias tumorales generadas por antineoplásicos tradicionales y el diferente mecanismo de acción de los CNT, estos se presentan como un grupo innovador de estabilizadores de microtúbulos que podrían emplearse como adyuvante antineoplásico. En este trabajo se investigó el efecto de la interacción de Nanotubos de carbono multipared (Multiwalled Carbon NanoTubes: MWCNT) con filamentos de actina en células tumorales HeLa y B16F10. Se observó que las células HeLa y B16F10 expuestas a MWCNT presentaron una disminución en la proliferación celular dosis dependiente. Se analizaron alteraciones fenotípicas por redistribución de los filamentos de actina, sugiriendo la interferencia de los MWCNT con la dinámica de los filamentos de actina. Estos datos indican un efecto antiproliferativo, antineoplásico y modulador fenotípico por parte de los MWCNT en ambas líneas celulares.

ABSTRACT: As cancer is a worldwide disease with high morbimortality research in this field is a priority. Microtubules and actin filaments are implicated in cell division so they are the main target of anticancer therapies. Nanotechnology is a booming science, in which nanomaterials are gaining importance in medicine. The CNT share structural properties with cytoskeletal elements thereby exerting a role as microtubule‐ and actin filaments stabilizing agents triggering alterations in the celular cycle and modifying cellular phenotype. Due to tumor resistance to traditional antineoplastic therapies and different action mechanism of CNT, these nanomaterials are presented as an innovative microtubule‐stabilizing group that could be used as anticancer adjuvant. In this work was investigated the MWCNT interaction with actin filaments effect in HeLa and B16F10 tumor cells. It was noticed that HeLa and B16F10 cells exposed to MWCNT showed a reduced cell proliferation dose‐dependent. Phenotypic alterations because of redistribution of actin filaments was analyzed, suggesting MWCNT interference with actin filaments dynamic. These data prompt a MWCNT antiproliferative, antineoplastic and phenotypic modulator effect in both cell lines.

Grado en Medicina

Country
Spain
Related Organizations
Keywords

Citoesqueleto, Toxicity, Carbon nanotubes, Actina, Cáncer, Toxicidad, Cytoskeleton, Actin, Nanotubos de carbono, Cancer

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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