启动子DNA甲基化和组蛋白乙酰化对胃癌中PDX1 表达的影响
摘 要: 【目的】 已知胃癌中PDX1表达下调,本研究旨在探讨DNA甲基化和组蛋白乙酰化修饰对PDX1基因表达的调控? 【方法】 免疫组化法检测胃癌组织芯片中PDX1?Dnmt1和HDAC的表达,分析其相关性?5’-aza-dC和TSA处理胃癌细胞,RT-PCR检测PDX1 mRNA水平,分析DNA去甲基化和组蛋白乙酰化对PDX1表达的影响;构建6个PDX1启动子片段至pGL3载体,检测转录活性,分析去甲基化和乙酰化对PDX1启动子转录活性的影响 ...
doaj
[Neutrophil-derived Microvesicles Regulate DNA Methylation of the <i>LINE1</i> Gene in Human Fibroblast-like Synoviocytes]. [PDF]
Zhao Z +8 more
europepmc +1 more source
乙肝病毒X蛋白对肝癌细胞组蛋白H3K4甲基化修饰的影响及机制
【目的】 探讨乙肝病毒X蛋白(HBx)与肝癌细胞组蛋白H3K4位点甲基化修饰的关系及其可能的机制?【方法】构建稳定表达HBx基因的HepG2-hbx及载体对照细胞系HepG2-vc,同时培养用于阳性对照的肝癌细胞系HepG2.2.15及阴性对照细胞系HepG2;用酶标法检测各组细胞组蛋白H3K4位点甲基转移酶活性,比较HBx对H3K4位点甲基转移酶活性的影响;qRT-PCR检测各组细胞中H3K4位点特异性甲基转移酶SMYD3 ( SET and MYND domain containing3 ...
doaj
Mechanisms of gypenosides in type 2 diabetes mellitus via regulation of m6A methylase METTL3/14 and demethylase FTO. [PDF]
Li J +8 more
europepmc +1 more source
[Expression and clinical significance of plasma methylated SEPT 9 gene in patients with primary liver cancer]. [PDF]
He N +7 more
europepmc +1 more source
[Role of m6A methylation modification in photoaging and ultraviolet-induced skin cancers]. [PDF]
Hou Y, Zhang X, Liu J, Wu J.
europepmc +1 more source
How epigenetics can explain human metastasis A new role for microRNAs [PDF]
Amaia Lujambio, Manel Esteller
core
[Research Progress in the Mechanisms of Acupuncture in Regulating DNA Methylation]. [PDF]
Gao S +5 more
europepmc +1 more source
[Association between <i>MLPH</i> gene hypermethylation in peripheral blood and coronary heart disease]. [PDF]
Jin J +6 more
europepmc +1 more source
[Efficacy analysis of selinexor combined with hypomethylating agent in the treatment of refractory/relapsed acute myeloid leukemia exposed to venetoclax]. [PDF]
Zhang J +9 more
europepmc +1 more source

