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https://www.selleckchem.com/products/Sodium-orthovanadate.html 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. In order to evaluate which receptor is involved in CBD actions CB1, CB2 and TRPV1 receptor antagonists were used. 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. The treatment with AKT1/2 inhibitor and the mTOR inhibitor rapamycin abolished CBD protective effects. The CBD-induced ERK activation may be mediated by CBD interaction with CB2 and TRPV1. We also investigated the protein levels of the autophagic proteins LC3 and beclin 1. CBD reduced the MPP+-induced increase of LC3 by CB2 and TRPV1 receptors. 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. Cypholophus macrocephalus sap is used to treat bacterially infected cutaneous leg ulcers in Papua New Guinea. High resolution LC-MS analysis of the sap revealed it to be rich in sulphated flavonoids. We assessed the effects of the sap on the differentiation and pro-inflammatory anti-microbial responses of M1 macrophages using IL-6 and TNF-α ELISAs and found significant increases in M1 macrophage IL-6 expression with concentrations as low as 243 ng/ml sap. Neutroph

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