相关实验视频

Updated: Jun 29, 2025

Mouse Model of Oleic Acid-Induced Acute Respiratory Distress Syndrome

Mouse Model of Oleic Acid-Induced Acute Respiratory Distress Syndrome

Published on: June 2, 2022

ARDS和衰老:TYMS成为一个有前途的生物标志物和治疗目标

Gang Li¹, Ke Yan², Wanyi Zhang¹

¹Department of Emergency Medicine, The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China.

Frontiers in immunology

|April 1, 2024

概括

衰老加剧了急性呼吸困难综合征 (ARDS) 通过破坏内皮细胞和触发炎症. 提米基酸合成酶 (TYMS) 被确定为一个关键基因,作为一个潜在的诊断生物标志物和老年ARDS患者的治疗点.

科学领域:

基因组学就是基因组学.
免疫学免疫学免疫学
衰老研究研究衰老研究

背景情况:

急性呼吸困扰综合征 (ARDS) 是一种具有高死亡率的严重疾病,往往诊断不足.
越来越多地认为,衰老是ARDS发展和严重程度的重要因素.
了解老年ARDS患者细胞和遗传机制对于向治疗至关重要.

研究的目的:

研究老年ARDS患者细胞和遗传变化的致病机制.
为了确定关键的基因和途径参与ARDS在老龄化人口的进展.
为准确的ARDS治疗策略提供理论基础.

主要方法:

利用基因表达综合 (GEO) 和人类衰老基因组资源 (HAGR) 数据库,用于基因表达特征和与衰老相关的基因.
采用权重基因共同表达网络分析 (WGCNA) 和机器学习算法 (LASSO,RRF,XGBoost) 来识别关键模块和特征基因.
在老年小鼠模型中验证了关键基因表达,并通过单核RNA测序 (snRNA-Seq) 探索了细胞通信.

主要成果:

与衰老相关的差异表达基因 (ARDEGs) 与DNA损伤反应,炎症和衰老有关.
MEmagenta模块和特征基因 (CKAP2,P2RY14,RBP2,TYMS) 与老年人ARDS有显著的相关性.
甲基甲基合成酶 (TYMS) 在ARDS发病和进展中发挥了潜在的作用,在介导SEMA3信号的内皮细胞中表达高.

结论:

衰老诱导的内皮细胞损伤通过炎症导致ARDS病原发生.
TYMS是一种有前途的诊断生物标志物,也是ARDS的潜在治疗点,特别是在老年人中.

关键词:

在ARDS中,我们使用ARDS.时间表时间表在WGCNA中,WGCNA是WGCNA.衰老的衰老衰老的衰老免疫透免疫透是什么?机器学习是机器学习.这就是 snRNA-seqq.

更多相关视频

Quantitative Analysis of Cellular Composition in Advanced Atherosclerotic Lesions of Smooth Muscle Cell Lineage-Tracing Mice

Quantitative Analysis of Cellular Composition in Advanced Atherosclerotic Lesions of Smooth Muscle Cell Lineage-Tracing Mice

Published on: February 20, 2019

Preparation of Acute Hippocampal Slices from Rats and Transgenic Mice for the Study of Synaptic Alterations during Aging and Amyloid Pathology

Preparation of Acute Hippocampal Slices from Rats and Transgenic Mice for the Study of Synaptic Alterations during Aging and Amyloid Pathology

Published on: March 23, 2011

相关概念视频

Transducer Mechanism: Enzyme-Linked Receptors

Transducer Mechanism: Enzyme-Linked Receptors

Enzyme-linked receptors are cell-surface receptors acting as an enzyme or associating with an enzyme intracellularly. They make excellent drug targets. Drugs can bind to the extracellular ligand-binding domain or directly affect their enzymatic domain and alter their activity.
Major types that are helpful drug targets include:

Aging

Aging

Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...