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Information Journal Paper

Title

DOWNREGULATION OF GLUT3 PROMOTES APOPTOSIS AND CHEMOSENSITIVITY OF ACUTE MYELOID LEUKEMIA CELLS VIA EGFR SIGNALING

Pages

  73-78

Keywords

ACUTE MYELOID LEUKEMIA (AML) 
GLUCOSE TRANSPORTER 3 (GLUT3) 

Abstract

 Background: Glucose transporter 3 (GLUT3) plays an important role in tumor progression and drug resistance in numerous malignancies, including acute myeloid leukemia (AML). However, the effect of GLUT3 silencing on treatment of AML remains poorly understood. The purpose of this study was to investigate role of GLUT3 in proliferation and CHEMOSENSITIVITY of AML and its underlying mechanisms. Methods: The SIRNA transfection was conducted using LipofectamineTM 2000. Quantitative real-time RT-PCR (qRT-PCR) and Western blot analyses were employed to measure the expression levels of mRNA and protein for GLUT3, respectively. The cytotoxic effects of SIRNA and vincristine were determined using the MTT assay. Flow cytometry was performed to analyze APOPTOSIS. Results: GLUT3 SIRNA transfection significantly reduced expression levels of GLUT3 mRNA and protein, leading to a strong growth inhibition and enhanced APOPTOSIS (P = 0. 017) in AML cells. Moreover, treatment with GLUT3 SIRNA, synergistically enhanced the cytotoxic and apoptotic effects of vincristine (P = 0. 025). We further investigated the possible mechanism involved in regulation of GLUT3 in AML cell proliferation and APOPTOSIS. We found that GLUT3 negatively regulates EGFR activity, as well as the expression of its downstream proteins. Conclusion: Our results demonstrated that GLUT3 plays a fundamental role in the survival and resistance of AML cells to vincristine. Therefore, GLUT3 can be considered as an attractive target for gene therapy of AML patients and SIRNA-mediated silencing of this gene may be a novel strategy in AML treatment.

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    • Cite

    APA: Copy

    ZHUANG, YAN, ZHAO, JING, XU, XI, & BI, LAIXI. (2018). DOWNREGULATION OF GLUT3 PROMOTES APOPTOSIS AND CHEMOSENSITIVITY OF ACUTE MYELOID LEUKEMIA CELLS VIA EGFR SIGNALING. ARCHIVES OF IRANIAN MEDICINE, 21(2), 73-78. SID. https://sid.ir/paper/281577/en

    Vancouver: Copy

    ZHUANG YAN, ZHAO JING, XU XI, BI LAIXI. DOWNREGULATION OF GLUT3 PROMOTES APOPTOSIS AND CHEMOSENSITIVITY OF ACUTE MYELOID LEUKEMIA CELLS VIA EGFR SIGNALING. ARCHIVES OF IRANIAN MEDICINE[Internet]. 2018;21(2):73-78. Available from: https://sid.ir/paper/281577/en

    IEEE: Copy

    YAN ZHUANG, JING ZHAO, XI XU, and LAIXI BI, “DOWNREGULATION OF GLUT3 PROMOTES APOPTOSIS AND CHEMOSENSITIVITY OF ACUTE MYELOID LEUKEMIA CELLS VIA EGFR SIGNALING,” ARCHIVES OF IRANIAN MEDICINE, vol. 21, no. 2, pp. 73–78, 2018, [Online]. Available: https://sid.ir/paper/281577/en

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