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Article Publish Status: FREE
Abstract Title:

Garlic-derived compound-allylmercaptocysteine inhibits hepatocarcinogenesis through targeting LRP6/Wnt pathway.

Abstract Source:

Acta Pharm Sin B. 2018 Jul ;8(4):575-586. Epub 2017 Nov 10. PMID: 30109182

Abstract Author(s):

Jia Xiao, Feiyue Xing, Yingxia Liu, Yi Lv, Xiaogang Wang, Ming-Tat Ling, Hao Gao, Songying Ouyang, Min Yang, Jiang Zhu, Yu Xia, Kwok-Fai So, George L Tipoe

Article Affiliation:

Jia Xiao

Abstract:

Whether and how garlic-derived-allylmercaptocysteine (SAMC) inhibits hepatocellular carcinoma (HCC) is largely unknown. In the current study, the role of low-density lipoprotein receptor (LDLR)-related protein 6 (LRP6) in HCC progression and the anti-HCC mechanism of SAMC was examined in clinical sample, cell model and xenograft/orthotopic mouse models. We demonstrated that SAMC inhibited cell proliferation and tumorigenesis, while induced apoptosis of human HCC cells without influencing normal hepatocytes. SAMC directly interacted with Wnt-pathway co-receptor LRP6 on the cell membrane. LRP6 was frequently over-expressed in the tumor tissue of human HCC patients (66.7% of 48 patients) and its over-expression only correlated with the over-expression of-catenin, but not with age, gender, tumor size, stage and metastasis. Deficiency or over-expression of LRP6 in hepatoma cells could partly mimic or counteract the anti-tumor properties of SAMC, respectively.administration of SAMC significantly suppressed the growth of Huh-7 xenograft/orthotopic HCC tumor without causing undesirable side effects. In addition, stable down-regulation of LRP6 in Huh-7 facilitated the anti-HCC effects of SAMC. In conclusion, LRP6 can be a potential therapeutic target of HCC. SAMC is a promising specific anti-tumor agent for treating HCC subtypes with Wnt activation at the hepatoma cell surface.

Study Type : Animal Study, In Vitro Study

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Sayer Ji
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