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Medicine Research ›› 2021, Vol. 5 ›› Issue (2): 210003-210003.DOI: 10.21127/yaoyimr20210003

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Oxaliplatin Induces Cell Cycle Arrest and Apoptosis in T-leukemia Cells through Mitochondrial and PI3K/Akt Signaling Pathways

Mengcheng Li,‡,a Yongpeng Wang,‡,a Lei Tian,a Afsar Khan,b Yudan Wang,a,c Yaping Liu,a,d Meilian Yang,a Jianxin Cao,a Guiguang Cheng,*,a and Tianrui Zhao*,a   

  1. a Faculty of Agriculture and Food, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; 
    b Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan 
    c Yunnan Minzu University, Kunming, Yunnan 650500, China; 
    d Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan 650500, China
  • Received:2021-03-01 Revised:2021-04-24 Online:2021-06-20 Published:2021-05-24

Abstract: Oxaliplatin (L-OHP) is a new platinum anticancer drug, which is used for the treatment of metastatic colorectal cancer or the adjuvant treatment of stage III colon cancer. T-cell acute lymphoblastic leukemias (T-ALLs) are invasive thymocytic malignant tumors with poor prognosis. The purpose of this study was to evaluate the cytotoxic effect of L-OHP on human T-ALL cell lines MOLT-4, Jurkat, CCRF-CEM, and CEM/C1 cells. The CCK-8 method results showed that L-OHP significantly inhibited T-ALL cells proliferation. The inhibition of these T-ALL cells prolife by L-OHP seems to be related to the induction of cell cycle arrest. The effect of L-OHP on the cell cycle distribution of T-ALL cells varies with cell types. As to cells apoptosis, Annexin V/Propidium iodide assay disclosed that L-OHP prominently induced T-ALL cells apoptosis by activating the pathways of mitochondrial biogenesis and is more sensitive to MOLT-4 cells. Western blot analysis showed that L-OHP treatment could promote apoptosis through down-regulated Bcl-2 protein level, up-regulated Bax and caspase-9 proteins levels and cell cycle arrest by inhibiting the PI3K/Akt signaling pathway in MOLT-4 cells. Our results indicate that L-OHP, as a new type of platinum anticancer drug, may attract more attention in the future treatment of T-ALL.

Key words: oxaliplatin, lymphoblastic leukemia, mitochondrial pathway, apoptosis, cell cycle

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