Simvastatin Increases Temozolomide-Induced Cell Death by Targeting the Fusion of Autophagosomes and Lysosomes

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Simvastatin Increases Temozolomide-Induced Cell Death by Targeting the Fusion of Autophagosomes and Lysosomes Publisher Pubmed

Shojaei S^{1, 2, 3, 4} ; Koleini N^{5, 6} ; Samiei E^{2, 3, 4} ; Aghaei M^{1, 7} ; Cole LK⁸ ; Alizadeh J¹ ; Islam MI⁹ ; Vosoughi AR¹ ; Albokashy M¹ ; Butterfield Y^{10, 11} ; Marzban H¹ ; Xu F⁸ ; Thliveris J¹ ; Kardami E^{1, 5} Show All Authors

Shojaei S^{1, 2, 3, 4}
Koleini N^{5, 6}
Samiei E^{2, 3, 4}
Aghaei M^{1, 7}
Cole LK⁸
Alizadeh J¹
Islam MI⁹
Vosoughi AR¹
Albokashy M¹
Butterfield Y^{10, 11}
Marzban H¹
Xu F⁸
Thliveris J¹
Kardami E^{1, 5}
Hatch GM⁸
Eftekharpour E⁹
Akbari M^{2, 3, 4}
Hombachklonisch S¹
Klonisch T^{1, 12}
Ghavami S^{1, 12, 13, 14}

Source: FEBS Journal Published:2020

Abstract

Temozolomide (TMZ) is a chemotherapy agent used to treat Grade IV astrocytoma, also known as glioblastoma (GBM). TMZ treatment causes DNA damage that results in tumor cell apoptosis and increases the survival rate of GBM patients. However, chemoresistance as a result of TMZ-induced autophagy significantly reduces this anticancer effects over time. Statins are competitive inhibitors of HMG-CoA reductase, the rate-limiting enzyme of the mevalonate (MEV) cascade. Statins are best known for their cholesterol (CH)-lowering effect. Long-term consumption of statins, prior to and in parallel with other cancer therapeutic approaches, has been reported to increase the survival rate of patients with various forms of cancers. In this study, we investigated the potentiation of TMZ-induced apoptosis by simvastatin (Simva) in human GBM cell lines and patient GBM cells, using cell monolayers and three-dimensional cell culture systems. The incubation of cells with a combination of Simva and TMZ resulted in a significant increase in apoptotic cells compared to cells treated with TMZ alone. Incubation of cells with CH or MEV cascade intermediates failed to compensate the decrease in cell viability induced by the combined Simva and TMZ treatment. Simva treatment inhibited the autophagy flux induced by TMZ by blocking autophago-lysosome formation. Our results suggest that Simva sensitizes GBM cells to TMZ-induced cell death in a MEV cascade-independent manner and identifies the inhibition of autophagosome-lysosome fusion as a promising therapeutic strategy in the treatment of GBM. © 2019 Federation of European Biochemical Societies

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Style	Citing Format
MLA	Shojaei S, et al.. "Simvastatin Increases Temozolomide-Induced Cell Death by Targeting the Fusion of Autophagosomes and Lysosomes." FEBS Journal, vol. 287, no. 5, 2020, pp. 1005-1034.
APA	Shojaei S, Koleini N, Samiei E, Aghaei M, Cole LK, Alizadeh J, Islam MI, Vosoughi AR, Albokashy M, Butterfield Y, Marzban H, Xu F, Thliveris J, Kardami E, Hatch GM, Eftekharpour E, Akbari M, Hombachklonisch S, Klonisch T, Ghavami S (2020). Simvastatin Increases Temozolomide-Induced Cell Death by Targeting the Fusion of Autophagosomes and Lysosomes. FEBS Journal, 287(5), 1005-1034.
Chicago	Shojaei S, Koleini N, Samiei E, Aghaei M, Cole LK, Alizadeh J, Islam MI, et al.. "Simvastatin Increases Temozolomide-Induced Cell Death by Targeting the Fusion of Autophagosomes and Lysosomes." FEBS Journal 287, no. 5 (2020): 1005-1034.
Harvard	Shojaei S et al. (2020) 'Simvastatin Increases Temozolomide-Induced Cell Death by Targeting the Fusion of Autophagosomes and Lysosomes', FEBS Journal, 287(5), pp. 1005-1034.
Vancouver	Shojaei S, Koleini N, Samiei E, Aghaei M, Cole LK, Alizadeh J, et al.. Simvastatin Increases Temozolomide-Induced Cell Death by Targeting the Fusion of Autophagosomes and Lysosomes. FEBS Journal. 2020;287(5):1005-1034.
BibTex	@article{ author = {Shojaei S and Koleini N and Samiei E and Aghaei M and Cole LK and Alizadeh J and Islam MI and Vosoughi AR and Albokashy M and Butterfield Y and Marzban H and Xu F and Thliveris J and Kardami E and Hatch GM and Eftekharpour E and Akbari M and Hombachklonisch S and Klonisch T and Ghavami S}, title = {Simvastatin Increases Temozolomide-Induced Cell Death by Targeting the Fusion of Autophagosomes and Lysosomes}, journal = {FEBS Journal}, volume = {287}, number = {5}, pages = {1005-1034}, year = {2020} }
RIS	TY - JOUR AU - Shojaei S AU - Koleini N AU - Samiei E AU - Aghaei M AU - Cole LK AU - Alizadeh J AU - Islam MI AU - Vosoughi AR AU - Albokashy M AU - Butterfield Y AU - Marzban H AU - Xu F AU - Thliveris J AU - Kardami E AU - Hatch GM AU - Eftekharpour E AU - Akbari M AU - Hombachklonisch S AU - Klonisch T AU - Ghavami S TI - Simvastatin Increases Temozolomide-Induced Cell Death by Targeting the Fusion of Autophagosomes and Lysosomes JO - FEBS Journal VL - 287 IS - 5 SP - 1005 EP - 1034 PY - 2020 ER -