Atividade Anticancer do Canabidiol em Linhas Celulares de Câncer de Próstata

March 10, 2017
Estudos e Pesquisas com Cannabis
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ABSTRACT

Cannabinoids, the active components of Cannabis sativa Linnaeushave received renewed interest in recent years due to their diverse pharmacologic activities such as cell growth inhibition, anti-inflammatory effects and tumor regression, but their use in chemotherapy is limited by their psychotropic activity. To date, cannabinoids have been successfully used in the treatment of nausea and vomiting, two common side effects that accompany chemotherapy in cancer patients. Most non-THC plant cannabinoids e.g. cannabidiol and cannabigerol, seem to be devoid of psychotropic properties. 

However, the precise pathways through which these molecules produce an antitumor effect have not yet been fully characterized. We therefore investigated the antitumor and anti-inflammatory activities of cannabidiol (CBD) in human prostate cancer cell lines LNCaP, DU145, PC3, and assessed whether there is any advantage in using cannabis extracts enriched in cannabidiol and low in THC. 

Results obtained in a panel of prostate cancer cell lines clearly indicate that cannabidiol is a potent inhibitor of cancer cell growth, with significantly lower potency in non-cancer cells. The mRNA expression level of cannabinoid receptors CB1 and CB2, vascular endothelial growth factor (VEGF), PSA (prostate specific antigen) are significantly higher in human prostate cell lines. Treatment with Cannabis extract containing high CBD down regulates CB1, CB2, VEGF, PSA, pro-inflammatory cytokines/chemokine IL-6/IL-8. 

Our overall findings support the concept that cannabidiol, which lacks psychotropic activity, may possess anti-inflammatory property and down regulates both cannabinoid receptors, PSA, VEGF, IL-6 and IL-8. High CBD cannabis extracts are cytotoxic to androgen responsive LNCaP cells and mayeffectively inhibit spheroid formation in cancer stem cells. This activity may contribute to its anticancer and chemosensitizing effect against prostate cancer. Cannabidiol and other non-habit forming cannabinoids could be used as novel therapeutic agents for the treatment of prostate cancer.

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This information is presented for educational purposes only. 1Pure. provides this information to provide an understanding of the potential applications of cannabidiol. Links to third party websites do not constitute an endorsement of these organizations by 1Pure and none should be inferred.

1Pure fornece informações para dar uma compreensão das aplicações potenciais do canabidiol. Links para sites de terceiros não constituem um endosso dessas organizações por parte da 1Pure e nada deve ser inferido.

Equipe 1Pure
A 1Pure foi fundada por um grupo de indivíduos frustrados com a falta de produtos de qualidade e não padronizados na indústria da cannabis. A empresa acredita que um produto seguro, de qualidade, natural e não-psicoativo deve ser amplamente disponível para aqueles que necessitam.

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