ArticleOpen medicine (Warsaw, Poland)2020
S100A6 promotes proliferation and migration of HepG2 cells via increased ubiquitin-dependent degradation of p53.
Article in Open medicine (Warsaw, Poland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 16 citations in OpenAlex.
- Role of S100 family proteins in colorectal cancer (CRC): an overview of their potential function as new biomarkers and therapeutic agents.Expert reviews in molecular medicine · 2025Review
- Three-dimensional genome architecture in intrahepatic cholangiocarcinoma.Cellular oncology (Dordrecht, Netherlands) · 2025Article
- Host S100A6 inhibits ZIKV replication by degrading NS3 through lysosomal pathway.Frontiers in cellular and infection microbiology · 2025Article
- S100A6 Regulates nucleus pulposus cell apoptosis via Wnt/β-catenin signaling pathway: an in vitro and in vivo study.Molecular medicine (Cambridge, Mass.) · 2024Article
- S100A6: molecular function and biomarker role.Biomarker research · 2023Review
- The Role of S100A6 in Human Diseases: Molecular Mechanisms and Therapeutic Potential.Biomolecules · 2023Review
- Involvement of S100A6/S100A11 in T-Cell Immune Regulatory in HCC Revealed by Single Cell RNA-seq.Technology in cancer research & treatmentArticle
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeS100A6 protein (calcyclin), a small calcium-binding protein of the S100 family, is often upregulated in various types of cancers, including hepatocellular carcinoma (HCC). The aim of this study was to illustrate the molecular mechanism of S100A6 in regulating the proliferation and migration of HCC cells.
methodsThe expressions of S100A6 in human HCC and adjacent non-tumor liver specimens were detected using immunoblotting and quantitative PCR (qPCR). The recombinant glutathione S-transferase (GST)-tagged human S100A6 protein was purified and identified. After treatment with S100A6, the proliferation of HepG2 cells was detected by the MTT and colony formation assay, and the migration of HepG2 cells was investigated by the transwell migration assay; the protein levels of cyclin D1 (CCND1), E-cadherin, and vimentin were also tested by immunoblotting. The effect of S100A6 on p21 and nuclear factor-κB pathway was verified by performing the dual luciferase assay. Then, the expression of p21 and its transcription activator, p53, was examined using immunoblotting and qPCR, the ubiquitination of which was investigated through co-immunoprecipitation.
resultsIt was found that the level of S100A6 was higher in the HCC tissues than in the adjacent non-tumor liver specimens. Exogenous overexpression of S100A6 promoted the proliferation and migration of HepG2 cells. S100A6 was observed to regulate p21 mRNA and protein expression levels and decrease p53 protein expression level, not mRNA level, by promoting the ubiquitination of p53 via the proteasome-dependent degradation pathway.
conclusionOur study indicated that S100A6 overexpression could promote the proliferation and migration of HCC cells by enhancing p53 ubiquitin-dependent proteasome degradation, ultimately regulating the p21 expression level.
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