在Idiopathic肺纤维化中DNA甲基化修饰
Lu Ren1, Yan-Fen Chang2, Shi-He Jiang3
1Clinical Nursing Teaching and Research Section, Department of Dermatology, The Second Xiangya Hospital, Central South University, Changsha, China.
Frontiers in cell and developmental biology
|June 25, 2024
概括
表观遗传变化,特别是DNA甲基化,是异常性肺纤维化 (IPF) 病原发生的关键. 向DNA甲基转移酶 (DNMT) 和TET蛋白可能为这种致命的肺病提供新的诊断和治疗策略.
科学领域:
- 肺部医学 肺部医学
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
- 分子生物学分子生物学
背景情况:
- 异形性肺纤维化 (IPF) 是一种致命的,渐进的肺病,其病因不明,治疗选择有限.
- 表观遗传修饰,特别是DNA甲基化,越来越多地被认为是IPF发展的重要因素.
- DNA甲基化涉及DNA甲基转移酶 (DNMTs) 并调节基因表达,而DNA脱甲基化则由TET蛋白促进.
研究的目的:
- 审查肺纤维化病理特征和DNA甲基化机制.
- 要突出异常DNA甲基化,DNMT和TET蛋白在IPF病变发生中的作用.
- 探索表观遗传研究对新型IPF诊断和治疗的潜力.
主要方法:
- 对IPF病理学和表观遗传机制的当前研究的文献综述.
- 专注于DNA甲基化模式,包括甲基化和脱甲基化过程.
- 检查DNMT和TET家族蛋白质在IPF中的参与.
主要成果:
- DNA甲基化失调与呼吸道疾病的进展密切相关,包括IPF.
- 在IPF肺部和膜上皮细胞中,TET2蛋白表达减少,这表明它与疾病有关.
- 异常的DNA甲基化模式,DNMT和TET蛋白质极大地影响了IPF的发病性.
结论:
- 了解DNA甲基化机制可以提高对IPF病理学的理解.
- 表观遗传改变为识别IPF的新诊断生物标志物提供了有希望的途径.
- 向表观遗传途径为开发肺纤维化新疗法提供了潜力.
更多相关视频
13:47Lentiviral Vector Platform for the Efficient Delivery of Epigenome-editing Tools into Human Induced Pluripotent Stem Cell-derived Disease Models
Published on: March 29, 2019
9.5K
13:47Enhanced Reduced Representation Bisulfite Sequencing for Assessment of DNA Methylation at Base Pair Resolution
Published on: February 24, 2015
25.5K
相关概念视频
Epigenetic Regulation
3.0K
Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
X-chromosome...
3.0K
Genomic Imprinting and Inheritance
34.3K
Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
34.3K
Chromatin Modification in iPS Cells
1.6K
Chromatin modification alters gene expression; therefore, scientists can add histone-modifying enzymes, histone variants, and chromatin remodeling complexes to somatic cells to aid reprogramming into pluripotent stem (iPS) cells.
Compact chromatin makes reprogramming difficult. Enzymes, such as histone demethylases and acetyltransferases, are often added during reprogramming to loosen the chromatin, making the DNA more accessible to transcription factors. Molecules that inhibit histone...
Compact chromatin makes reprogramming difficult. Enzymes, such as histone demethylases and acetyltransferases, are often added during reprogramming to loosen the chromatin, making the DNA more accessible to transcription factors. Molecules that inhibit histone...
1.6K
Histone Modification
13.2K
The histone proteins have a flexible N-terminal tail extending out from the nucleosome. These histone tails are often subjected to post-translational modifications such as acetylation, methylation, phosphorylation, and ubiquitination. Particular combinations of these modifications form “histone codes” that influence the chromatin folding and tissue-specific gene expression.
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone...
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone...
13.2K
