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Published on: June 9, 2019
Effect of 2-deoxy-D-glucose on various malignant cell lines in vitro
Xiao Dong Zhang1, Edwige Deslandes, Marie Villedieu
1Groupe Régional d'Etudes sur le Cancer (Grecan), Unité "Biologie et Thérapies Innovantes des Cancers Localement Agressifs", CLCC François Baclesse, Caen, France. x.zhang@baclesse.fr
Background:
2-Deoxy-D-glucose (2-DG) is an analog of glucose that is preferentially captured by tumors and is accumulated in transformed cells, because the phosphorylated molecule (2-DG-6P) cannot be metabolized or diffused outside the cells. Targeted with a fluorine atom, 18F-DG is currently used to visualize malignant tumors (PET scan). Although cancer cells have been reported to be strongly dependent on glycolysis (Warburg effect), very few reports have studied the inhibitory effects of 2-DG on cancer.
Materials And Methods:
Our objective was to study, in a large panel of human malignant cells of various origins (ovarian, squamous, cerebral, hepatic, colonic and mesothelial), if the inhibitory activity of 2DG against tumor growth could be considered a general phenomenon and to determine its effect on the cell cycle.
Results:
Four types of response in the different cell lines were observed when cells were cultured in the presence of 2-DG (5 mM) continuous exposure: proliferation slow down; proliferation arrest without signs of apoptosis; strong cell cycle arrest accompanied by moderate apoptosis induction; massive apoptosis.
Conclusion:
2-DG appears as an interesting new therapeutic agent against cancer in vitro, and should be tested in in vivo studies.
