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Article

Antioxidant and Neuroprotective Effects Induced by Cannabidiol and Cannabigerol in Rat CTX-TNA2 Astrocytes and Isolated Cortexes

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Department of Pharmacy, Università degli Studi “Gabriele d’Annunzio”, via dei Vestini 31, 66100 Chieti, Italy
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Genetic Molecular Institute of CNR, Unit of Chieti, “G. d’ Annunzio” University, Via dei Vestini 31, 66100 Chieti-Pescara, Italy
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Department of Medicine and Ageing Sciences, “G. d’ Annunzio” University, Via dei Vestini 31, 66100 Chieti-Pescara, Italy
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Department of Biology, Science Faculty, Selcuk University, Campus, 42130 Konya, Turkey
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Chemistry Department, College of Education, Salahaddin University-Erbil, Erbil 44001, Iraq
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School of Pharmaceutical Sciences, University Sains Malaysia, USM, Penang 11800, Malaysia
*
Authors to whom correspondence should be addressed.
Int. J. Mol. Sci. 2020, 21(10), 3575; https://doi.org/10.3390/ijms21103575
Received: 22 April 2020 / Revised: 11 May 2020 / Accepted: 15 May 2020 / Published: 18 May 2020
(This article belongs to the Special Issue Pharmacological Study on Neuromodulatory Effects of Plant Extract)
Cannabidiol (CBD) and cannabigerol (CBG) are Cannabis sativa terpenophenols. Although CBD’s effectiveness against neurological diseases has already been demonstrated, nothing is known about CBG. Therefore, a comparison of the effects of these compounds was performed in two experimental models mimicking the oxidative stress and neurotoxicity occurring in neurological diseases. Rat astrocytes were exposed to hydrogen peroxide and cell viability, reactive oxygen species production and apoptosis occurrence were investigated. Cortexes were exposed to K+ 60 mM depolarizing stimulus and serotonin (5-HT) turnover, 3-hydroxykinurenine and kynurenic acid levels were measured. A proteomic analysis and bioinformatics and docking studies were performed. Both compounds exerted antioxidant effects in astrocytes and restored the cortex level of 5-HT depleted by neurotoxic stimuli, whereas sole CBD restored the basal levels of 3-hydroxykinurenine and kynurenic acid. CBG was less effective than CBD in restoring the levels of proteins involved in neurotransmitter exocytosis. Docking analyses predicted the inhibitory effects of these compounds towards the neurokinin B receptor. Conclusion: The results in the in vitro system suggest brain non-neuronal cells as a target in the treatment of oxidative conditions, whereas findings in the ex vivo system and docking analyses imply the potential roles of CBD and CBG as neuroprotective agents. View Full-Text
Keywords: cannabidiol; cannabigerol; neuroprotection; serotonin; apoptosis; proteomic analysis; oxidative stress; exocytosis; docking cannabidiol; cannabigerol; neuroprotection; serotonin; apoptosis; proteomic analysis; oxidative stress; exocytosis; docking
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MDPI and ACS Style

di Giacomo, V.; Chiavaroli, A.; Recinella, L.; Orlando, G.; Cataldi, A.; Rapino, M.; Di Valerio, V.; Ronci, M.; Leone, S.; Brunetti, L.; Menghini, L.; Zengin, G.; Ak, G.; Abdallah, H.H.; Ferrante, C. Antioxidant and Neuroprotective Effects Induced by Cannabidiol and Cannabigerol in Rat CTX-TNA2 Astrocytes and Isolated Cortexes. Int. J. Mol. Sci. 2020, 21, 3575. https://doi.org/10.3390/ijms21103575

AMA Style

di Giacomo V, Chiavaroli A, Recinella L, Orlando G, Cataldi A, Rapino M, Di Valerio V, Ronci M, Leone S, Brunetti L, Menghini L, Zengin G, Ak G, Abdallah HH, Ferrante C. Antioxidant and Neuroprotective Effects Induced by Cannabidiol and Cannabigerol in Rat CTX-TNA2 Astrocytes and Isolated Cortexes. International Journal of Molecular Sciences. 2020; 21(10):3575. https://doi.org/10.3390/ijms21103575

Chicago/Turabian Style

di Giacomo, Viviana, Annalisa Chiavaroli, Lucia Recinella, Giustino Orlando, Amelia Cataldi, Monica Rapino, Valentina Di Valerio, Maurizio Ronci, Sheila Leone, Luigi Brunetti, Luigi Menghini, Gokhan Zengin, Gunes Ak, Hassan H. Abdallah, and Claudio Ferrante. 2020. "Antioxidant and Neuroprotective Effects Induced by Cannabidiol and Cannabigerol in Rat CTX-TNA2 Astrocytes and Isolated Cortexes" International Journal of Molecular Sciences 21, no. 10: 3575. https://doi.org/10.3390/ijms21103575

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