Abstract : In this study, we aimed to evaluate the antioxidant and anti-inflammatory properties of Opuntia ficus-indica cactus cladode extracts in microglia BV-2 cells. Inflammation associated with microglia activation in neuronal injury can be achieved by LPS exposure. Using four different structurally and biologically well-characterized LPS serotypes, we revealed a structure-related differential effect of LPS on fatty acid β-oxidation and antioxidant enzymes in peroxisomes: Escherichia coli-LPS decreased ACOX1 activity while Salmonella minnesota-LPS reduced only catalase activity. Different cactus cladode extracts showed an antioxidant effect through microglial catalase activity activation and an anti-inflammatory effect by reducing nitric oxide (NO) LPS-dependent production. These results suggest that cactus extracts may possess a neuroprotective activity through the induction of peroxisomal antioxidant activity and the inhibition of NO production by activated microglial cells.
http://www.hal.inserm.fr/inserm-01432713
Contributeur : Stéphane Mandard
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Soumis le : jeudi 12 janvier 2017 - 06:54:10
Dernière modification le : vendredi 8 juin 2018 - 14:50:25
Document(s) archivé(s) le : vendredi 14 avril 2017 - 13:27:08
Fatima-Ezzahra Saih, Pierre Andreoletti, Stéphane Mandard, Norbert Latruffe, M'Hammed Saïd El Kebbaj, et al.. Protective Effect of Cactus Cladode Extracts on Peroxisomal Functions in Microglial BV-2 Cells Activated by Different Lipopolysaccharides. Molecules, MDPI, 2017, 22 (1), pp.E102. 〈http://www.mdpi.com/1420-3049/22/1/102〉. 〈10.3390/molecules22010102〉. 〈inserm-01432713〉
