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PubMed: Neuroprotective effects of Cannabidiol on Dopaminergic Neurodegeneration and α-synuclein Accumulation in C. elegans Models of Parkinson's disease

PubMed: Neuroprotective effects of Cannabidiol on Dopaminergic Neurodegeneration and α-synuclein Accumulation in C. elegans Models of Parkinson's disease

Neurotoxicology. 2022 Sep 12:S0161-813X(22)00146-2. doi: 10.1016/j.neuro.2022.09.001. Online ahead of print.

ABSTRACT

Parkinson disease (PD) is the second most progressive neurodegenerative disorder of the central nervous system (CNS) in the elderly, causing motor impediments and cognitive dysfunctions. Dopaminergic (DA) neuron degeneration and α-synuclein (α-Syn) accumulation in substantia nigra pars compacta (SNPc) are the major contributor to this disease. At present, the disease has no effective treatment. Many recent studies focus on identifying novel therapeutics that provide benefits to stop disease advancement in PD patients. Cannabidiol (CBD) is a cannabinoid derived from the Cannabis Sativa plant and possesses anti-depressive, anti-inflammatory, and antioxidative effects. The present study aims to evaluate the neuroprotective effect of CBD in transgenic C. elegans PD models. We observed that CBD at 0.025mM (24.66%), 0.05mM (52.41%) and 0.1mM (71.36%) diminished DA neuron degenerations induced by 6-hydroxydopamine (6-OHDA), reduced (0.025, 27.1%), (0.05, 38.9%), (0.1, 51.3%) food-sensing behavioural disabilities in BZ555, reduced 40.6%, 56.3%, 70.2% the aggregative toxicity of α-Syn and expanded the nematodes’ lifespan up to 11.5%, 23.1%, 28.8%, dose-dependently. Moreover, CBD augmented the ubiquitin-like proteasomes 28.11%, 43.27, 61.33% and SOD-3 expressions by about 16.4%, 21.2%, 44.8% in transgenic models. Further, we observed the antioxidative role of CBD by reducing 33.2%, 41.4%, 56.7% reactive oxygen species in 6-OHDA intoxicated worms. Together, these findings supported CBD as an anti-parkinsonian drug and may exert its effects by raising lipid depositions to enhance proteasome activity and reduce oxidative stress via the antioxidative pathway.

PMID:36108815 | DOI:10.1016/j.neuro.2022.09.001

#CBD #Hemp https://pubmed.ncbi.nlm.nih.gov/36108815/?utm_source=Chrome&utm_medium=rss&utm_campaign=None&utm_content=1jYCQzi_o_qLYr-oQfnMhShgOXkvGma3vcnBGJtrBhuJMOvEVJ&fc=None&ff=20220916162021&v=2.17.8 September 15, 2022 10:00 am

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