Article Publish Status: FREE
Abstract Title:

Synergistic cytotoxic activity of cannabinoids fromagainst cutaneous T-cell lymphoma (CTCL)and.

Abstract Source:

Oncotarget. 2020 Mar 31 ;11(13):1141-1156. Epub 2020 Mar 31. PMID: 32284791

Abstract Author(s):

Moran Mazuz, Amir Tiroler, Lilach Moyal, Emmilia Hodak, Stalin Nadarajan, Ajjampura C Vinayaka, Batia Gorovitz-Haris, Ido Lubin, Avi Drori, Guy Drori, Owen Van Cauwenberghe, Adi Faigenboim, Dvora Namdar, Iris Amitay-Laish, Hinanit Koltai

Article Affiliation:

Moran Mazuz


produces hundreds of phytocannabinoids and terpenes. Mycosis fungoides (MF) is the most common type of cutaneous T-cell lymphoma (CTCL), characterized by patches, plaques and tumors. Sézary is a leukemic stage of CTCL presenting with erythroderma and the presence of neoplastic Sézary T-cells in peripheral blood. This study aimed to identify active compounds from whole cannabis extracts and their synergistic mixtures, and to assess respective cytotoxic activity against CTCL cells. Ethanol extracts ofwere analyzed by high-performance liquid chromatography (HPLC) and gas chromatography/mass spectrometry (GC/MS). Cytotoxic activity was determined using the XTT assay on My-La and HuT-78 cell lines as well as peripheral blood lymphocytes from Sézary patients (SPBL). Annexin V assay and fluorescence-activated cell sorting (FACS) were used to determine apoptosis and cell cycle. RNA sequencing and quantitative PCR were used to determine gene expression. Active cannabis compounds presenting high cytotoxic activity on My-La and HuT-78 cell lines were identified in crude extract fractions designated S4 and S5, and their synergistic mixture was specified. This mixture induced cell cycle arrest and cell apoptosis; a relatively selective apoptosis was also recorded on the malignant CD4CD26SPBL cells. Significant cytotoxic activity of the corresponding mixture of pure phytocannabinoids further verified genuine interaction between S4 and S5. The gene expression profile was distinct in My-La and HuT-78 cells treated with the S4 and S5 synergistic mixture. We suggest that specifying formulations of synergistic active cannabis compounds and unraveling their modes of action may lead to new cannabis-based therapies.

Study Type : Animal Study, In Vitro Study

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Sayer Ji
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