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RSS FeedsIJMS, Vol. 24, Pages 2498: Short-Term Starvation Weakens the Efficacy of Cell Cycle Specific Chemotherapy Drugs through G1 Arrest (International Journal of Molecular Sciences)

 
 

28 january 2023 02:43:54

 
IJMS, Vol. 24, Pages 2498: Short-Term Starvation Weakens the Efficacy of Cell Cycle Specific Chemotherapy Drugs through G1 Arrest (International Journal of Molecular Sciences)
 


Short-term starvation (STS) during chemotherapy can block the nutrient supply to tumors and make tumor cells much more sensitive to chemotherapeutic drugs than normal cells. However, because of the diversity of starvation methods and the heterogeneity of tumors, this method’s specific effects and mechanisms for chemotherapy are still poorly understood. In this study, we used HeLa cells as a model for short-term starvation and etoposide (ETO) combined treatment, and we also mimicked the short-term starvation effect by knocking down the glycolytic enzyme GAPDH to explore the exact molecular mechanism. In addition, our study demonstrated that short-term starvation protects cancer cells against the chemotherapeutic agent ETO by reducing DNA damage and apoptosis due to the STS-induced cell cycle G1 phase block and S phase reduction, thereby diminishing the effect of ETO. Furthermore, these results suggest that starvation therapy in combination with cell cycle-specific chemotherapeutic agents must be carefully considered.


 
86 viewsCategory: Biochemistry, Biophysics, Molecular Biology
 
IJMS, Vol. 24, Pages 2496: Recent Advances on Surface-Moified GBM Targeted Nanoparticles: Targeting Strategies and Surface Characterization (International Journal of Molecular Sciences)
IJMS, Vol. 24, Pages 2499: Hyperpolarized 13C-Pyruvate to Assess Response to Anti-PD1 Immune Checkpoint Inhibition in YUMMER 1.7 Melanoma Xenografts (International Journal of Molecular Sciences)
 
 
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