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Expression of MicroRNA-15b and the glycosyltransferase GCNT3 correlates with antitumor efficacy of rosemary diterpenes in colon and pancreatic cancer

Author
González-Vallinas, Margarita; Molina, Susana; Vicente, Gonzalo; Zarza, Virginia; Martín-Hernández, Roberto; García-Risco, Mónica Rodriguez; Fornari Reale, Tizianauntranslated; Reglero Rada, Guillermo J.untranslated; De Molina, Ana Ramírez
Entity
UAM. Departamento de Química Física Aplicada
Publisher
Public Library of Science
Date
2014-06-03
Citation
10.1371/journal.pone.0098556
Plos One 9.6 (2014): e98556
 
 
 
ISSN
1932-6203 (online)
DOI
10.1371/journal.pone.0098556
Funded by
This work was supported by the Spanish Ministry of Science and Innovation (Plan Nacional I+D+i AGL2010-21565, RyC 2008-03734; IPT-2011-1248- 060000); Comunidad de Madrid (ALIBIRD, S2009/AGR-1469); and European Union Structural Funds
Project
Comunidad de Madrid. S2009/AGR-1469/ALIBIRD
Subjects
Cell Line, Tumor; Colonic Neoplasms; Diterpenes; MicroRNAs; Pancreatic Neoplasms; Rosmarinus; Biología y Biomedicina / Biología
URI
http://hdl.handle.net/10486/666248
Rights
© 2014 González-Vallinas et al.

Abstract

Colorectal and pancreatic cancers remain important contributors to cancer mortality burden and, therefore, new therapeutic approaches are urgently needed. Rosemary (Rosmarinus officinalis L.) extracts and its components have been reported as natural potent antiproliferative agents against cancer cells. However, to potentially apply rosemary as a complementary approach for cancer therapy, additional information regarding the most effective composition, its antitumor effect in vivo and its main molecular mediators is still needed. In this work, five carnosic acid-rich supercritical rosemary extracts with different chemical compositions have been assayed for their antitumor activity both in vivo (in nude mice) and in vitro against colon and pancreatic cancer cells. We found that the antitumor effect of carnosic acid together with carnosol was higher than the sum of their effects separately, which supports the use of the rosemary extract as a whole. In addition, gene and microRNA expression analyses have been performed to ascertain its antitumor mechanism, revealing that up-regulation of the metabolic-related gene GCNT3 and down-regulation of its potential epigenetic modulator miR-15b correlate with the antitumor effect of rosemary. Moreover, plasmatic miR-15b down-regulation was detected after in vivo treatment with rosemary. Our results support the use of carnosic acid-rich rosemary extract as a complementary approach in colon and pancreatic cancer and indicate that GCNT3 expression may be involved in its antitumor mechanism and that miR-15b might be used as a non-invasive biomarker to monitor rosemary anticancer effect
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Google™ Scholar:González-Vallinas, Margarita - Molina, Susana - Vicente, Gonzalo - Zarza, Virginia - Martín-Hernández, Roberto - García-Risco, Mónica Rodriguez - Fornari Reale, Tiziana - Reglero Rada, Guillermo J. - De Molina, Ana Ramírez

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  • Producción científica en acceso abierto de la UAM [17143]

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