Chemosensitizing properties of β-caryophyllene and β-caryophyllene oxide in combination with doxorubicin in human cancer cells

BACKGROUND/AIM: The natural sesquiterpenes β-caryophyllene (CRY) and β-caryophyllene oxide (CRYO) were evaluated for their potential chemosensitizing properties. MATERIALS AND METHODS: CRY and CRYO cytotoxicity was tested against the Caco-2, CCRF/CEM and CEM/ADR5000 human cancer cell lines. Furtherm...

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Hauptverfasser: Di Giacomo, Silvia (VerfasserIn) , Wink, Michael (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: March 2017
In: Anticancer research
Year: 2017, Jahrgang: 37, Heft: 3, Pages: 1191-1196
ISSN:1791-7530
DOI:10.21873/anticanres.11433
Online-Zugang:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.21873/anticanres.11433
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Verfasserangaben:Silvia DI Giacomo, Antonella DI Sotto, Gabriela Mazzanti, Michael Wink

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520 |a BACKGROUND/AIM: The natural sesquiterpenes β-caryophyllene (CRY) and β-caryophyllene oxide (CRYO) were evaluated for their potential chemosensitizing properties. MATERIALS AND METHODS: CRY and CRYO cytotoxicity was tested against the Caco-2, CCRF/CEM and CEM/ADR5000 human cancer cell lines. Furthermore, combination experiments were carried out in order to study the ability of the sesquiterpenes to increase doxorubicin cytotoxicity. The possible interference of CRY and CRYO with functionality of ATP-binding cassette (ABC)-transporters was also investigated by Rhodamine123 efflux assay. RESULTS: Despite a low cytotoxicity, both substances were able to enhance the cytotoxicity of doxorubicin in all cell lines, with CRYO being the most effective reversal agent. Both sesquiterpenes were also able to increase the Rho123 content into cells, likely due to inhibition of the efflux pumps. CONCLUSION: Our results highlight a potential role of CRY and CRYO as new chemosensitizing agents for doxorubicin chemotherapy and to re-sensitize cancer-resistant cells. 
650 4 |a Antineoplastic Combined Chemotherapy Protocols 
650 4 |a B-caryophyllene 
650 4 |a Caco-2 Cells 
650 4 |a Cell Line, Tumor 
650 4 |a Cell Survival 
650 4 |a Dose-Response Relationship, Drug 
650 4 |a doxorubicin 
650 4 |a Doxorubicin 
650 4 |a Drug Resistance, Multiple 
650 4 |a Drug Resistance, Neoplasm 
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650 4 |a Humans 
650 4 |a Inhibitory Concentration 50 
650 4 |a multidrug resistance 
650 4 |a natural compound 
650 4 |a Rhodamine 123 
650 4 |a sesquiterpenes 
650 4 |a Sesquiterpenes 
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