Cannabidiol exerts protective effects in an in vitro model of Parkinson’s disease activating AKT/mTOR pathway.

Fitoterapia“Parkinson’s disease (PD) is a neurodegenerative disorder characterized by the degeneration of the nigrostriatal dopaminergic pathway with loss of substantia nigra pars compacta neurons and dopamine depletion. Various natural compounds showed protective actions against PD.

In this work, the protective effects of cannabidiol (CBD), obtained from Cannabis sativa, were evaluated in retinoic acid differentiated SH-SY5Y cells exposed to 1-methyl-4-phenylpyridinium (MPP+), an in vitro PD model.

CBD counteracted the loss of cell viability caused by MPP+, reducing apoptosis as demonstrated by the reduction of Bax and caspase 3. Moreover, CBD reduced the nuclear levels of PARP-1. The protective effects of CBD seem to be mediated by the activation of ERK and AKT/mTOR pathways.

These data suggested the involvement of ERK in the modulation of autophagy. However, beclin 1 levels were not modified neither by MPP+ nor by CBD. These results indicated that CBD may exert preventive and protective actions in PD.”

https://www.ncbi.nlm.nih.gov/pubmed/32184097

https://www.sciencedirect.com/science/article/abs/pii/S0367326X20301350?via%3Dihub

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