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Journal Article
Research Support, Non-U.S. Gov't
The 19q13 KRAB Zinc-finger protein ZFP82 suppresses the growth and invasion of esophageal carcinoma cells through inhibiting NF-κB transcription and inducing apoptosis.
Epigenomics 2019 January
AIM: To study the epigenetic alternations and biological functions of ZFP82 in esophageal squamous cell carcinoma.
MATERIALS & METHODS: Analysis of ZFP82 expression was carried out by quantitative real-time PCR. Cell function was tested by MTS cell proliferation assay, transwell assay and flow cytometry. Gene mechanisms were studied by reverse transcription-PCR (RT-PCR), quantitative real-time PCR, luciferase reporter assay and Western blot.
RESULTS: ZFP82 promoter methylation was downregulated in esophageal squamous cell carcinoma. ZFP82 ectopic expression suppressed cell function and regulated NF-κB phosphorylation and genes involved in cell cycle arrest and apoptosis. Moreover, ZFP82 methylation was correlated with age, tumor stage and outcome.
CONCLUSION: ZFP82 is a tumor suppressor and is disrupted by promoter CpG methylation during esophageal carcinogenesis.
MATERIALS & METHODS: Analysis of ZFP82 expression was carried out by quantitative real-time PCR. Cell function was tested by MTS cell proliferation assay, transwell assay and flow cytometry. Gene mechanisms were studied by reverse transcription-PCR (RT-PCR), quantitative real-time PCR, luciferase reporter assay and Western blot.
RESULTS: ZFP82 promoter methylation was downregulated in esophageal squamous cell carcinoma. ZFP82 ectopic expression suppressed cell function and regulated NF-κB phosphorylation and genes involved in cell cycle arrest and apoptosis. Moreover, ZFP82 methylation was correlated with age, tumor stage and outcome.
CONCLUSION: ZFP82 is a tumor suppressor and is disrupted by promoter CpG methylation during esophageal carcinogenesis.
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