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通过Hi-C的整合性识别揭示了肺腺癌组织中明显的先进结构变异

Tingting Song¹, Menglin Yao¹, Ying Yang¹

¹Department of Respiratory and Critical Care Medicine, Center of Precision Medicine, Precision Medicine Key Laboratory of Sichuan Province, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041 Sichuan Province China.

Phenomics (Cham, Switzerland)

|August 17, 2023

概括

先进的染色体结构变化,包括A/B区和拓相关域 (TADs),与肺癌有关. 这项研究揭示了肺腺癌的显著结构变异,确定了参与瘤发展的关键基因.

科学领域:

基因组学就是基因组学.
癌症生物学癌症生物学
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:

三维色素结构的变化,包括A/B区,拓相关域 (TAD) 和色素环,都与恶性瘤的发展有关.
肺腺癌 (LUAD) 的特定高级结构特征在很大程度上仍未被描述.

研究的目的:

与配对的正常组织相比,研究非吸烟肺腺癌 (LUAD) 瘤组织中的高级三维染色质结构变异.
根据染色体结构变化,识别与LUAD发育相关的新基因和途径.

主要方法:

采用高通量染色体构造捕获 (Hi-C) 技术来分析染色体结构.
在LUAD瘤和正常组织样本之间比较先进的染色质结构 (分区,TAD,循环).

主要成果:

在LUAD瘤组织中检测到显著的染色质变异,主要是染色体3上的A→B区转换.
确定了216个瘤特异性TAD和41个与癌症相关途径 (MAPK,PI3K-AKT,Ras,Wnt) 相关的增强剂-促进剂循环.
发现5个关键基因 (SYT16,NCEH1,NXPE3,MB21D2,DZIP1L) 位于改变的染色质结构中,其中NCEH1,MB21D2和SYT16与瘤发育有关.

结论:

这项研究提供了LUAD中先进色素结构的第一个全面概述.
鉴定到的结构变异和相关基因为进一步研究LUAD遗传机制和潜在的治疗点提供了基础.

关键词:

先进的结构变化.染色体3的第3个染色体高通量染色体的高通量染色体肺癌是一种肺癌.与瘤相关的基因

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