Effects of Green Tea Polyphenol on Cancer Cell Invasion
Author Information
Author(s): Kato K, Long N K, Makita H, Toida M, Yamashita T, Hatakeyama D, Hara A, Mori H, Shibata T
Primary Institution: Gifu University, Graduate School of Medicine
Hypothesis
Can EGCG reverse the hypermethylation of the RECK gene and inhibit cancer cell invasion?
Conclusion
EGCG significantly inhibits cancer cell invasion by reversing the hypermethylation of the RECK gene and downregulating MMP-2 and MMP-9.
Supporting Evidence
- EGCG treatment reversed the hypermethylation of the RECK gene.
- EGCG significantly enhanced the expression level of RECK mRNA.
- EGCG inhibited MMP-2 and MMP-9 levels in cancer cells.
- EGCG reduced the number of invasive foci in a collagen invasion model.
- EGCG suppressed the depth of cancer cell invasion.
Takeaway
Drinking green tea can help stop cancer cells from spreading by fixing a gene that normally keeps them in check.
Methodology
The study used oral squamous cell carcinoma cell lines treated with EGCG to assess changes in RECK gene methylation and cancer invasion.
Limitations
Further investigation is needed to fully understand the mechanisms and effects of EGCG in vivo.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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