Artículo
Induction of Apoptosis and Cell Cycle Arrest in Human Colon Carcinoma Cells by Corema album Leaves
Autor/es | León González, Antonio José
Manson, Margaret M. López Lázaro, Miguel Navarro Zafra, Inmaculada Martín Cordero, Carmen |
Departamento | Universidad de Sevilla. Departamento de Farmacología Universidad de Sevilla. Departamento de Química Física |
Fecha de publicación | 2014 |
Fecha de depósito | 2022-01-12 |
Publicado en |
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Resumen | The leaves of Corema album (Ericaceae), an endemic shrub which grows in Atlantic coastal areas of the Iberian Peninsula, are rich in flavonoids and other
secondary metabolites. Silica gel column chromatography of the ethyl ... The leaves of Corema album (Ericaceae), an endemic shrub which grows in Atlantic coastal areas of the Iberian Peninsula, are rich in flavonoids and other secondary metabolites. Silica gel column chromatography of the ethyl acetate extract from dried leaves was performed and a flavonic active fraction was obtained. The cytotoxic activity of this fraction was assessed using the colon cancer cell lines HCT116 and HT29. After 48 hours of treatment, cell viability was determined with luminescence-based ATPLite assay, showing IC50 values of 7.2 ± 0.7 and 6.8 ± 1.2 µg/mL, respectively. The study by flow cytometry revealed that the cytotoxicity of this fraction was mediated, at least in part, by induction of apoptosis and G2/M cell cycle arrest. The active fraction was then subjected to Sephadex LH-20 chromatography and two flavonoids were separated and identified as the flavanone pinocembrin and 2’,4’-dihydroxychalcone after UV, MS and NMR analysis. |
Cita | León González, A.J., Manson, M.M., López Lázaro, M., Navarro Zafra, I. y Martín Cordero, C. (2014). Induction of Apoptosis and Cell Cycle Arrest in Human Colon Carcinoma Cells by Corema album Leaves. Natural Product Communications, 9 (1), 55-56. |
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