Curcumin Efficacy in a Serum/glucose Deprivation-induced Neuronal PC12 Injury Model.

Published on Feb 3, 2021in Current Molecular Pharmacology3.283
· DOI :10.2174/1874467214666210203211312
Tahereh Farkhondeh22
Estimated H-index: 22
(Birjand University of Medical Sciences),
Milad Ashrafizadeh9
Estimated H-index: 9
(Sabancı University)
+ 3 AuthorsSaeed Samarghandian19
Estimated H-index: 19
BACKGROUND Glucose/serum deprivation (GSD), has been used for understanding molecular mechanisms of neuronal damage during ischemia. It has been suggested that curcumin may improve neurodegenerative diseases. AIM In this study, the protective effects of curcumin and its underlying mechanisms were investigated in PC12 cells upon GSD-induced stress. METHODS PC12 cells were cultured in DMEM overnight and then incubated in GSD condition for either 6 or 12h. GSD-treated cells were pretreated with various concentrations of curcumin (10, 20, and 40 M) for 5h. The cell viability, apoptosis, reactive oxygen species (ROS) level, oxidative stress, expression of apoptosis-related genes, and IL-6 were determined. RESULTS Curcumin increased cell viability and caused an anti-apoptotic effect in PC12 cells exposed for 12h to GSD . Curcumin also increased antioxidant enzyme expression, suppressed lipid peroxidation, and decreased interleukin-6 secretion in PC12 cells subjected to GSD. In addition, pretreatment with curcumin down-regulated pro-apoptotic (Bax), and up-regulated antiapoptotic (Bcl2) mediators. CONCLUSION Curcumin mitigates many of the adverse effects of ischemia, and therefore, should be considered as an adjunct therapy in ischemic patients.
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