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在MET期间,Cdh1的促进器架构和增强器驱动的调节

Neslihan Toyran¹, Hani Alotaibi²

¹Vocational School of Health Services, Dokuz Eylul University, Izmir, Türkiye.

Experimental cell research

|September 12, 2025

概括

在上皮质可塑性期间的E-cadherin (Cdh1) 反激活需要增强剂-促进剂相互作用. 像Grhl3和Hnf4α这样的转录因子,以及特定的增强剂,对于克服促进体约束并使Cdh1表达成为可能至关重要.

科学领域:

分子生物学分子生物学
细胞生物学细胞生物学
遗传学是一个遗传学.

背景情况:

对于介质细胞到上皮细胞的转换 (MET) 中,E-cadherin (Cdh1) 活性化是必不可少的.
在市场经济待遇期间,Cdh1促进者活动的确切监管机制尚不清楚.
了解这些机制对于理解上皮质可塑性至关重要.

研究的目的:

调查控制Cdh1发起者的直接监管机制.
分析Cdh1促进体对MET相关的转录因子的反应能力.
阐明增强剂在表皮质可塑性期间调节Cdh1表达中的作用.

主要方法:

用路西法酶记者测定来评估Cdh1促进体活性.
染色体免疫沉 (ChIP) 用于确定转录因子结合.
对Cdh1促进体片段和增强剂集成进行了系统分析.

主要成果:

一个扩展的Cdh1促进体片段显示基底活性,但在EMT/MET期间的调制有限.
促使者切断增加了基底活动,但没有确保强大的激活.
整合一个Grhl3响应增强剂显著增强了促进体的响应,允许Grhl3和Hnf4α的激活.
在MET期间,ChIP证实了Cdh1促进体的Grhl3丰富.

结论:

在上皮质可塑性期间Cdh1表达的动态调节取决于协调的增强剂-促进剂相互作用.
对特定增强剂的转录因子招募对于克服内在促进剂限制至关重要.
这些发现为表皮质可塑性和MET的分子基础提供了洞察力.

关键词:

Cdh1dh1 在线阅读基因调节基因调节格里尔·格里尔是什么意思格里尔在MET中,MET是MET.活动主办人活动主办人

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