2. Academic Validation
  3. Hepatitis C Virus-Induced FUT8 Causes 5-FU Drug Resistance in Human Hepatoma Huh7.5.1 Cells

Hepatitis C Virus-Induced FUT8 Causes 5-FU Drug Resistance in Human Hepatoma Huh7.5.1 Cells

  • Viruses. 2019 Apr 24;11(4):378. doi: 10.3390/v11040378.
Shu Li 1,  Xiao-Yu Liu 2,  Qiu Pan 3,  Jian Wu 4,  Zhi-Hao Liu 5,  Yong Wang 6,  Min Liu 7,  Xiao-Lian Zhang 8
Affiliations

Affiliations

  • 1 State Key Laboratory of Virology, Department of Immunology, Hubei Province Key Laboratory of Allergy and Immunology and Medical Research Institute, Wuhan University School of Basic Medical Sciences, Wuhan 430071, China. 2015103010009@whu.edu.cn.
  • 2 State Key Laboratory of Virology, Department of Immunology, Hubei Province Key Laboratory of Allergy and Immunology and Medical Research Institute, Wuhan University School of Basic Medical Sciences, Wuhan 430071, China. xiaoyu__liu@yeah.net.
  • 3 State Key Laboratory of Virology, Department of Immunology, Hubei Province Key Laboratory of Allergy and Immunology and Medical Research Institute, Wuhan University School of Basic Medical Sciences, Wuhan 430071, China. panqiu15927308377@gmail.comm.
  • 4 State Key Laboratory of Virology, Department of Immunology, Hubei Province Key Laboratory of Allergy and Immunology and Medical Research Institute, Wuhan University School of Basic Medical Sciences, Wuhan 430071, China. JianWu@whu.edu.cn.
  • 5 State Key Laboratory of Virology, Department of Immunology, Hubei Province Key Laboratory of Allergy and Immunology and Medical Research Institute, Wuhan University School of Basic Medical Sciences, Wuhan 430071, China. lzhihao2016@126.com.
  • 6 State Key Laboratory of Virology, Department of Immunology, Hubei Province Key Laboratory of Allergy and Immunology and Medical Research Institute, Wuhan University School of Basic Medical Sciences, Wuhan 430071, China. yongwangmmm@gmail.com.
  • 7 State Key Laboratory of Virology, Department of Immunology, Hubei Province Key Laboratory of Allergy and Immunology and Medical Research Institute, Wuhan University School of Basic Medical Sciences, Wuhan 430071, China. mliu@whu.edu.cn.
  • 8 State Key Laboratory of Virology, Department of Immunology, Hubei Province Key Laboratory of Allergy and Immunology and Medical Research Institute, Wuhan University School of Basic Medical Sciences, Wuhan 430071, China. zhangxiaolian@whu.edu.cn.
PMID: 31022917 DOI: 10.3390/v11040378
Abstract

Hepatitis C virus (HCV) is a major cause of human chronic liver disease and hepatocellular carcinoma. Our recent studies showed that α1,6-fucosyltransferase (FUT8), a key glycosyltransferase, was the most up-regulated glycosyltransferase after the HCV Infection of human hepatocellular carcinoma Huh7.5.1 cells. Here, we further studied the effects and possible mechanism of FUT8 on the proliferation of HCV and chemotherapy-resistance of HCV-infected Huh7.5.1 cells. The effects of FUT8 on the proliferation and drug resistance of HCV-infected Huh7.5.1 cells were analyzed by flow cytometry analysis (FCM), quantitative real-time polymerase chain reaction (qRT-PCR), Western blot analysis and Lactate Dehydrogenase (LDH) release assay. Results: We found that FUT8 not only promoted Huh7.5.1 proliferation by activating PI3K-AKT-NF-κB signaling, but also stimulated the expression of the drug-resistant proteins P-glycoprotein (P-gp) and multidrug resistance related protein 1 (MRP1) and enhanced the 5-fluorouracil (5-FU) chemo-resistance of Huh7.5.1 cells. Silencing of FUT8 reduced the cell proliferation and increased the 5-FU sensitivity of HCV-infected Huh7.5.1 cells. Inhibition of P-gp and MRP1 increased the 5-FU drug sensitivity in HCV infected Huh7.5.1 cells. HCV-induced FUT8 promotes proliferation and 5-FU resistance of Huh7.5.1 cells. FUT8 may serve as a therapeutic target to reverse chemotherapy resistance in HCV-infected Huh7.5.1 cells.

Keywords

5-fluorouracil (5-FU); drug-resistance; hepatitis C virus (HCV); α-1,6 fucosyltransferase (FUT8).

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