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Título

Metabolism and antiproliferative effects of sulforaphane and broccoli sprouts in human intestinal (Caco-2) and hepatic (HepG2) cells

AutorBaenas, Nieves ; Silván, José Manuel ; Medina, Sonia; Pascual-Teresa, Sonia de ; García-Viguera, Cristina ; Moreno, Diego A.
Palabras claveMetabolism
Cytotoxicity
UHPLC-QqQ-MS/MS I
Brassica oleraceae
Fecha de publicación2015
EditorSpringer
CitaciónPhytochemistry Reviews 14: 1035- 1044 (2015)
ResumenThe purpose of this work was to study the absorption and metabolism of sulforaphane (SFN) from broccoli sprouts, their major glucosinolate glucoraphanin and its hydrolysis product SFN. This was done by monitoring SFN¿s main metabolites, i.e. SFN, SFN-glutathione and SFN-cysteine, in two different cell models of absorption and metabolism (Caco-2 colorectal carcinoma cells and HepG2 hepatocellular carcinoma cells), during 3, 6, and 24 h of treatment, using a selective UHPLC-QqQ-MS/MS procedure. Concentrations ranging 0.5¿90 nmol/l were found within the cells and released in the medium, depending on the type of analyte under study. Cells were capable of conjugative metabolism, since the SFN mercapturic derivatives could be identified in the cell medium. The antiproliferative activity of broccoli sprouts, glucoraphanin and sulforaphane was compared in Caco-2 and HT-29 human colorectal carcinoma cells, and HepG2 hepatocellular carcinoma cells, establishing the minimal concentration of a given compound to achieve half inhibition of the maximal cell growth (IC50) for broccoli sprouts extract and sulforaphane. However, glucoraphanin did not show an antiproliferative effect in the cells under study.
URIhttp://hdl.handle.net/10261/133573
DOI10.1007/s11101-015-9422-4
Identificadoresdoi: 10.1007/s11101-015-9422-4
issn: 1568-7767
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