Dataset Information

Anti-Cancer Effects of Glaucarubinone in the Hepatocellular Carcinoma Cell Line Huh7 via Regulation of the Epithelial-To-Mesenchymal Transition-Associated Transcription Factor Twist1.

ABSTRACT: Hepatocellular carcinoma (HCC), the most common type of liver cancer, is a leading cause of cancer-related deaths. As HCC has a high mortality rate and its incidence is increasing worldwide, understanding and treating HCC are crucial for resolving major public health concerns. In the present study, wound healing screening assays were performed using natural product libraries to identify natural chemicals that can inhibit cancer cell migration. Glaucarubinone (GCB) showed a high potential for inhibiting cell migration. The anti-cancer effects of GCB were evaluated using the HCC cell line, Huh7. GCB showed anti-cancer effects, as verified by wound healing, cell migration, invasion, colony formation, and three-dimensional spheroid invasion assays. In addition, cells treated with GCB showed suppressed matrix metalloproteinase activities. Immunoblotting analyses of intracellular signaling pathways revealed that GCB regulated the levels of Twist1, a crucial transcription factor associated with epithelial-to-mesenchymal transition, and mitogen-activated protein kinase. The invasive ability of cancer cells was found to be decreased by the regulation of Twist1 protein levels. Furthermore, GCB downregulated phosphorylation of extracellular signal-regulated kinase. These results indicate that GCB exhibits anti-metastatic properties in Huh7 cells, suggesting that it could be used to treat HCC.

SUBMITTER: Seo J

PROVIDER: S-EPMC7915236 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature

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Anti-Cancer Effects of Glaucarubinone in the Hepatocellular Carcinoma Cell Line Huh7 via Regulation of the Epithelial-To-Mesenchymal Transition-Associated Transcription Factor Twist1.

Seo Jihye J Ha Jain J Kang Eunjeong E Yoon Haelim H Lee Sewoong S Ryu Shi Yong SY Kim Kwonseop K Cho Sayeon S

International journal of molecular sciences 20210208 4

Hepatocellular carcinoma (HCC), the most common type of liver cancer, is a leading cause of cancer-related deaths. As HCC has a high mortality rate and its incidence is increasing worldwide, understanding and treating HCC are crucial for resolving major public health concerns. In the present study, wound healing screening assays were performed using natural product libraries to identify natural chemicals that can inhibit cancer cell migration. Glaucarubinone (GCB) showed a high potential for inh ...[more]

PMID: 33567682

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Project description:Elevated lipocalin-2 (Lcn2) has been observed in multiple human cancers, but its biological roles remain unclear. Our purpose in this study was to investigate whether Lcn2 is involved in hepatocellular carcinoma (HCC) development via its involvement in invasion and metastasis. Using unsupervised hierarchical clustering analysis of tissue samples, we identified preferential expression of Lcn2 (>2-fold change) in the tumor group (differentiated group) versus the non-tumor group (liver cirrhosis group). LCN2 immunoreactivity was positively correlated with TNM stage (r = 0.194, P = 0.020), but not with differentiation or recurrence of HCC. Over-expression of Lcn2 was observed in HLK-2, HKK-2, and HLK-5 HCC cells. Knock-down of Lcn2 by shRNA in HKK-2 cells was correlated with the down-regulation of E-cadherin, CK-8, CK-18, and desmoplakin I/II (DesI/II) and the up-regulation of N-cadherin, vimentin (VIM), and fibronectin (FN), which are markers of the epithelial-mesenchymal transition (EMT) associated with tumor progression. The characteristics of EMT were reversed by adenoviral transduction of Lcn2 into SH-J1 cells. EGF or TGF-β treatment resulted in downregulation of Lcn2 with a concomitant change in EMT. Stable Lcn2 expression in HCC cells reduced the expression of the transcription factor Twist1, resulting in the inhibition of cell proliferation, migration, and invasion in vitro, and suppressed tumor growth and metastatic ability in a mouse model. These findings suggest that Lcn2 can reverse the EMT in HCC through transcriptional suppression of Twist 1. Thus, Lcn2 is a candidate metastasis suppressor and a potential therapeutic target for HCC. Unsupervised hierarchical clustering separated the samples into two main groups: a non-tumor group (NT, n = 40) and a HCC group (HCC, n = 40), and into two subgroups: a liver cirrhosis group (LC, n = 20) and a differentiated HCC group (difHCC, n = 20). Lcn2 was one of the unique genes with a two-fold or greater difference in expression from the mean with P < 0.01 based on the t-test for hierarchical clustering analysis.

Dataset Information

Anti-Cancer Effects of Glaucarubinone in the Hepatocellular Carcinoma Cell Line Huh7 via Regulation of the Epithelial-To-Mesenchymal Transition-Associated Transcription Factor Twist1.

Publications

Anti-Cancer Effects of Glaucarubinone in the Hepatocellular Carcinoma Cell Line Huh7 via Regulation of the Epithelial-To-Mesenchymal Transition-Associated Transcription Factor Twist1.

Similar Datasets

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