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Cetrimonium Bromide Inhibits Cell Migration and Invasion of Human Hepatic SK-HEP-1 Cells Through Modulating the Canonical and Non-canonical TGF-β Signaling Pathways

Cetrimonium Bromide Inhibits Cell Migration and Invasion of Human Hepatic SK-HEP-1 Cells Through Modulating the Canonical and Non-canonical TGF-β Signaling Pathways

Tsai-Kun Wu, Chung-Hung Chen, Ying-Ru Pan, Ching-Wen Hu, Fu-Mei Huang, Jer-Yuh Liu, Chia-Jen Lee

Anticancer Res. 2019 Jul;39(7):3621-3631.

PMID: 31262888

Abstract:

Background/aim:
Cetrimonium bromide (CTAB), a quaternary ammonium surfactant, is an antiseptic agent against bacteria and fungi. However, the mechanisms by which its pharmacological actions affect epithelial-mesenchymal transition (EMT) in hepatocellular carcinoma (HCC) cells, such as adenocarcinoma in SK-HEP-1 cells, have not been investigated. We, thereby, investigated whether CTAB inhibits cellular mobility and invasiveness of human hepatic adenocarcinoma in SK-HEP-1 cells.
Materials and methods:
SK-HEP-1 cells were treated with CTAB, and subsequent migration and invasion were measured by wound healing and transwell assays. Protein expression was detected by immunoblotting analysis.
Results:
Our data revealed that treatment of SK-HEP-1 cells with CTAB altered their mesenchymal spindle-like morphology. CTAB exerted inhibitory effects on the migration and invasion of SK-HEP-1 cells dose-dependently, and reduced protein levels of matrix metalloproteinase-2 (MMP-2), MMP-9, snail, slug, twist, vimentin, fibronectin, N-cadherin, Smad2, Smad3, Smad4, phosphoinositide-3-kinase (PI3K), p-PI3K, Akt, p-Akt, β-catenin, mammalian target of rapamycin (mTOR), p-mTOR, p-p70S6K, p-extracellular signal-regulated kinases (ERK)1/2, p-p38 mitogen-activated protein kinase (MAPK) and p-c-Jun N-terminal kinase (JNK), but increased protein levels of tissue inhibitor matrix metalloproteinase-1 (TIMP-1), TIMP-2, claudin-1 and p-GSK3β. Based on these observations, we suggest that CTAB not only inhibits the canonical transforming growth factor-β (TGF-β) signaling pathway though reducing SMADs (an acronym from the fusion of Caenorhabditis elegans Sma genes and the Drosophila Mad, Mothers against decapentaplegic proteins), but also restrains the non-canonical TGF-β signaling including MAPK pathways like ERK1/2, p38 MAPK, JNK and PI3K.
Conclusion:
CTAB is involved in the suppression of TGF-β-mediated mesenchymal phenotype and could be a potent medical agent for use in controlling the migration and invasion of hepatic adenocarcinoma.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP57090-A	Cetrimonium bromide		57-09-0	Price

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