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在食道发育和恶性瘤中,p63的表观遗传调节阻断了状到神经内分泌的转差
Yongchun Zhang1,2,3, Dimitris Karagiannis4, Helu Liu2,3,5
1State Key Laboratory of Microbial Metabolism and Joint International Research Laboratory of Metabolic and Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200240, China.
Science advances
|October 9, 2024
概括
转录因子p63调节食道中的细胞命运,在状和神经内分泌类型之间切换. 它的沉默由EZH2促进癌症,而它的恢复驱动食道神经内分泌癌中的状分化.
科学领域:
- 发育生物学是发展生物学.
- 癌症研究 癌症研究
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
背景情况:
- 细胞命运的确定对组织身份至关重要,但异常转变有助于癌症异质性和治疗耐药性.
- 转录因子p63 (Trp63/TP63) 与上皮细胞发育和癌症有关,但其在血统选择中的作用尚不清楚.
研究的目的:
- 调查p63在食道状与神经内分泌谱系在发育和恶性瘤期间的作用.
- 阐明调节食道神经内分泌癌中p63表达的机制.
主要方法:
- 在小鼠胚胎食道和人类胚胎干细胞衍生的祖先中对p63删除的分析.
- 在人类食道神经内分泌癌细胞中通过EZH2-介导的H3K27三甲基化对p63调节的研究.
- 通过异位表达或EZH2抑制对状转基因差异化对ΔNp63α异型的影响的评估.
主要成果:
- 在发育中的小鼠食道和人类ESC衍生的祖先中,p63删除诱导了广泛的神经内分泌分化.
- 在人类食道神经内分泌癌细胞中,p63被EZH2介导的H3K27三甲基化转录静止.
- 异位表达ΔNp63α或EZH2抑制促进了食道神经内分泌癌细胞的状转差.
结论:
- p63作为一个关键的调节器,或静电,控制在食道中状和神经内分泌细胞命运之间的平衡.
- 异常的p63沉默有助于食道神经内分泌癌的发展.
- 恢复p63功能为食道神经内分泌癌提供了一个潜在的治疗策略.
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