2. Academic Validation
  3. Bruceine D inhibits hepatocellular carcinoma growth by targeting β-catenin/jagged1 pathways

Bruceine D inhibits hepatocellular carcinoma growth by targeting β-catenin/jagged1 pathways

  • Cancer Lett. 2017 Sep 10;403:195-205. doi: 10.1016/j.canlet.2017.06.014.
Ziying Cheng 1,  Xing Yuan 1,  Yi Qu 2,  Xia Li 1,  Guozhen Wu 1,  Chenwei Li 3,  Xianpeng Zu 1,  Niao Yang 1,  Xisong Ke 2,  Juan Zhou 1,  Ning Xie 4,  Xike Xu 1,  Shanrong Liu 5,  Yunheng Shen 1,  Huiliang Li 6,  Weidong Zhang 7
Affiliations

Affiliations

  • 1 Department of Phytochemistry, School of Pharmacy, Second Military Medical University, Shanghai 200433, China.
  • 2 Interdisciplinary Science Research Institute, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China.
  • 3 Shanghai Sunstem Biotechnology Co. Ltd, Shanghai 200439, China.
  • 4 State Key Laboratory of Innovative Natural Medicine and TCM Injections, Jiangxi province 341008, China.
  • 5 Changhai Hospital, Second Military Medical University, Shanghai 200433, China.
  • 6 Department of Phytochemistry, School of Pharmacy, Second Military Medical University, Shanghai 200433, China. Electronic address: faranli@hotmail.com.
  • 7 Department of Phytochemistry, School of Pharmacy, Second Military Medical University, Shanghai 200433, China; Interdisciplinary Science Research Institute, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China. Electronic address: wdzhangy@hotmail.com.
PMID: 28645563 DOI: 10.1016/j.canlet.2017.06.014
Abstract

Hepatocellular carcinoma (HCC) is known for high mortality and limited available treatments. Aberrant activation of the Wnt and Notch signaling pathways is critical to liver carcinogenesis and progression. Here, we identified a small molecule, bruceine D (BD), as a Notch Inhibitor, using an RBP-Jκ-dependent luciferase-reporter system. BD significantly inhibited liver tumor growth and enhanced the therapeutic effects of sorafenib in various murine HCC models. Mechanistically, BD promotes proteasomal degradation of β-catenin and the depletion of its nuclear accumulation, which in turn disrupts the Wnt/β-catenin-dependent transcription of the Notch ligand Jagged1 in HCC. Our findings provide important information about a novel Wnt/Notch crosstalk inhibitor that is synergistic with sorafenib for treatment of HCC, and therefore have high clinical impact.

Keywords

BD; Hepatocellular carcinoma; Jagged1; Sorafenib; Wnt/Notch crosstalk; β-catenin.

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