期刊
MOLECULAR MEDICINE REPORTS
卷 12, 期 4, 页码 5886-5890出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/mmr.2015.4118
关键词
epigallocatechin-3-gallate; epigenetics; cancer; methylation
资金
- National Science Foundation of China [NFSC-81371949, 30970726]
- [114119a3700]
- [13411951201]
In order to gain greater understanding of the mechanisms underlying the effect of epigallocatechin-3-gallate (EGCG) On DNA methylation and its chemopreventative action in oral squamous cell carcinoma (OSCC), a genome-wide methylation and mRNA expression screen was performed in the CAL-27 cell line with and without EGCG (100 mu M) treatment. A total of 761 differentially methylated gene loci were identified following treatment with EGCG. Comparison of gene expression profiling in OSCC samples revealed 184 transcripts with a significant difference (P<0.05) and a fold change difference >2 compared with controls. Gene ontology analysis of differentially methylated loci and functional annotation of the differentially expressed genes indicated that the main pathways involved were metabolic, mitogen-activated protein kinase (MAPK), wilt, and cell cycle pathways. In conclusion, the present study indicates that EGCG can affect the methylation status and gene expression in the CAL-27 cell line. Additionally, the changes in several important signaling pathways may reveal the antitumor mechanism of EGCG.
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