In vitro antioxidant and antiproliferative effect of the extracts of Ephedra chilensis K Presl aerial parts.
Antioxidant activity
Cytotoxic effect
Ephedra chilensis
MCF-7 and PC-3
Selectivity
Journal
BMC complementary and alternative medicine
ISSN: 1472-6882
Titre abrégé: BMC Complement Altern Med
Pays: England
ID NLM: 101088661
Informations de publication
Date de publication:
04 Mar 2019
04 Mar 2019
Historique:
received:
23
10
2018
accepted:
20
02
2019
entrez:
6
3
2019
pubmed:
6
3
2019
medline:
22
3
2019
Statut:
epublish
Résumé
Ephedra chilensis K Presl, known locally as pingo-pingo, is a Chilean endemic plant used in traditional medicine as an anti-inflammatory and used in other treatments. However, unlike for the other Ephedra species, there have been no reports on the antioxidant and cytotoxic effects of this plant. The present study aims to explore the potential applications of E. chilensis extract as a cytotoxic agent against in vitro cancer cell lines and to explore the relationship between this extract and antioxidant activity. Total anthraquinone, flavonoid, and phenolic contents, as well as antioxidant activity (DPPH, FRAP, and TRAP assays) and cytotoxic effect on several cancer cell lines (MCF-7, PC-3, DU-145, and HT-29) were measured for the hexane, dichloromethane and ethanol extracts of E. chilensis. In addition, several correlations among the phytochemical content, antioxidant activity, and cytotoxic effect were evaluated. Finally, GC-MS analyses of the most active extracts were carried out to identify their major components and to relate these components to the cytotoxic effect. Antioxidant activity was found in the EtOH extracts of Ephedra, and the results were correlated with the phenolic content. For the cytotoxic activity, the non-polar extracts of E. chilensis had the highest antiproliferative effect for the MCF-7 and PC-3 cancer lines; the extract was shown to be up to three times more selective than doxorubicin. However, the cytotoxic effect was not correlated with the antioxidant activity. Lastly, the GC-MS analysis showed a high concentration of saturated fatty acids (mainly n-hexadecanoic acid) and terpenoids (mainly 4-(hydroxy-ethyl)-γ-butanolactone). The cytotoxic activity and selectivity of the non-polar extracts of E. chilensis for the MCF-7 and PC-3 cell lines could be related to the terpenic compounds and fatty acids of the extracts or to the synergistic effect of all of the compounds in the extracts. These non-polar extracts can be used for the development of new drugs against breast and prostate cancer.
Sections du résumé
BACKGROUND
BACKGROUND
Ephedra chilensis K Presl, known locally as pingo-pingo, is a Chilean endemic plant used in traditional medicine as an anti-inflammatory and used in other treatments. However, unlike for the other Ephedra species, there have been no reports on the antioxidant and cytotoxic effects of this plant. The present study aims to explore the potential applications of E. chilensis extract as a cytotoxic agent against in vitro cancer cell lines and to explore the relationship between this extract and antioxidant activity.
METHODS
METHODS
Total anthraquinone, flavonoid, and phenolic contents, as well as antioxidant activity (DPPH, FRAP, and TRAP assays) and cytotoxic effect on several cancer cell lines (MCF-7, PC-3, DU-145, and HT-29) were measured for the hexane, dichloromethane and ethanol extracts of E. chilensis. In addition, several correlations among the phytochemical content, antioxidant activity, and cytotoxic effect were evaluated. Finally, GC-MS analyses of the most active extracts were carried out to identify their major components and to relate these components to the cytotoxic effect.
RESULTS
RESULTS
Antioxidant activity was found in the EtOH extracts of Ephedra, and the results were correlated with the phenolic content. For the cytotoxic activity, the non-polar extracts of E. chilensis had the highest antiproliferative effect for the MCF-7 and PC-3 cancer lines; the extract was shown to be up to three times more selective than doxorubicin. However, the cytotoxic effect was not correlated with the antioxidant activity. Lastly, the GC-MS analysis showed a high concentration of saturated fatty acids (mainly n-hexadecanoic acid) and terpenoids (mainly 4-(hydroxy-ethyl)-γ-butanolactone).
CONCLUSION
CONCLUSIONS
The cytotoxic activity and selectivity of the non-polar extracts of E. chilensis for the MCF-7 and PC-3 cell lines could be related to the terpenic compounds and fatty acids of the extracts or to the synergistic effect of all of the compounds in the extracts. These non-polar extracts can be used for the development of new drugs against breast and prostate cancer.
Identifiants
pubmed: 30832627
doi: 10.1186/s12906-019-2462-3
pii: 10.1186/s12906-019-2462-3
pmc: PMC6399944
doi:
Substances chimiques
Antineoplastic Agents, Phytogenic
0
Antioxidants
0
Plant Extracts
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
53Subventions
Organisme : Fondo de Fomento al Desarrollo Científico y Tecnológico
ID : ProgramaFormación de Capital Humano Avanzado 21130456
Organisme : Fondo de Fomento al Desarrollo Científico y Tecnológico
ID : Fondecyt Postdoctorado grant 3180408
Organisme : Pontificia Universidad Católica de Valparaíso
ID : Proyecto VRIEA-PUCV 37.0 / 2017
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