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Divergent effects of lycopene on pancreatic alpha and beta cells / 生理学报
Acta Physiologica Sinica ; (6): 133-138, 2020.
Article Dans Anglais | WPRIM | ID: wpr-827075
ABSTRACT
Lycopene is an antioxidant which has potential anti-diabetic activity, but the cellular mechanisms have not been clarified. In this study, different concentrations of lycopene were used to treat pancreatic alpha and beta cell lines, and the changes of cell growth, cell apoptosis, cell cycle, reactive oxygen species (ROS), ATP levels and expression of related cytokines were determined. The results exhibited that lycopene did not affect cell growth, cell apoptosis, cell cycle, ROS and ATP levels of alpha cells, while it promoted the growth of beta cells, increased the ratio of S phase, reduced the ROS levels and increased the ATP levels of beta cells. At the same time, lycopene treatment elevated the mRNA expression levels of tnfα, tgfβ and hif1α in beta cells. These findings suggest that lycopene plays cell-specific role and activates pancreatic beta cells, supporting its application in diabetes therapy.
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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Pharmacologie / Caroténoïdes / Cycle cellulaire / Cellules cultivées / Adénosine triphosphate / Cytokines / Espèces réactives de l'oxygène / Apoptose / Cellules à glucagon / Cellules à insuline Limites du sujet: Humains langue: Anglais Texte intégral: Acta Physiologica Sinica Année: 2020 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Pharmacologie / Caroténoïdes / Cycle cellulaire / Cellules cultivées / Adénosine triphosphate / Cytokines / Espèces réactives de l'oxygène / Apoptose / Cellules à glucagon / Cellules à insuline Limites du sujet: Humains langue: Anglais Texte intégral: Acta Physiologica Sinica Année: 2020 Type: Article