显著的肌源性阶段总结了COPD中转录基因网络 Cachexia
bioRxiv : the preprint server for biology
|January 23, 2026
概括
人类肌肉衍生培养 (HMDC) 可以模拟慢性阻塞性肺病 (COPD) 缓解症中发现的基因表达变化. 这项研究发现了神经母细胞和神经细胞中保存的转录组签名,支持它们在COPD研究中的使用.
科学领域:
- 生物医学科学 生物医学科学
- 基因组学就是基因组学.
- 细胞生物学 细胞生物学
背景情况:
- 长期阻塞性肺病 (COPD) 的并发症卡赫西亚,涉及体重减轻和肌肉衰竭.
- 调查COPD-cachexia需要了解骨肌肉基因表达.
- 人类肌肉衍生培养 (HMDC) 为研究提供了侵入性肌肉活检的潜在替代方案.
研究的目的:
- 为了确定在HMDC中是否保留了大量骨肌肉中COPD-cachexia的转录组签名.
- 评估神经母细胞,神经细胞和神经管在研究COPD-cachexia方面的实用性.
- 为了在体外识别与COPD-cachexia相关的特定基因表达模式.
主要方法:
- 从COPD,COPD-cachexia和对照参与者中收集了大量的侧面活检.
- 隔离卫星细胞并将它们分化为肌细胞,肌细胞和肌管.
- 利用RNA测序,差异基因表达分析和权重基因共同表达网络分析 (WGCNA).
主要成果:
- 1,379个基因在COPD与对照群中被差异地表达;在COPD中有632个基因与没有缓冲症.
- WGCNA确定了与COPD-cachexia显著相关的模块,其中特定的模块保留在肌细胞和肌细胞中.
- 保存的模块被丰富为参与代谢和炎症过程,缩和再生的基因.
结论:
- HMDC,特别是肌细胞和肌芽细胞,可以作为COPD-cachexia的体外模型.
- 这项研究证明了HMDC中关键的转录基因签名的保存.
- 这些发现支持使用HMDC用于对COPD-cachexia通路的机制研究.
相关概念视频
COPD: Pathogenesis and Clinical Features
1.8K
Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
1.8K
COPD: Management Using Bronchodilators and Corticosteroids
755
Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...
755
Protein Networks
4.5K
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
4.5K
Protein Networks
2.8K
2.8K
Network Covalent Solids
16.1K
Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
16.1K
Stages of General Anesthesia
1.6K
Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
1.6K


