相关实验视频
Updated: May 7, 2026

07:36
Angiogenesis in the Ischemic Rat Lung
Published on: February 8, 2013
15.5K
在慢性肺病中识别常见的血管新生标记基因及其与免疫透的关系,基于生物信息学方法
Lu Liu1, Man Wang1, Shihuan Yu1
1Department of Respiratory Medicine, the First Affiliated Hospital of Harbin Medical University, Harbin 150001, China.
Biomedicines
|February 26, 2025
概括
这项研究确定了四个关键的血管生成基因 (COL10A1,EDN1,MMP1,RRAS) 作为潜在的治疗点,以减缓慢性肺病的进展并预防纤维化或肺动脉高血压.
科学领域:
- 肺部医学 肺部医学
- 生物信息学是一种生物信息学.
- 遗传学 是一个遗传学.
背景情况:
- 慢性肺部疾病,如异常性肺纤维化 (ILD) 和慢性阻塞性肺部疾病 (COPD),以逐渐恶化为特征.
- 血管新生在这些使人衰弱的疾病的发病和进展中起着至关重要的作用.
- 确定新的治疗点对于减缓疾病进展和预防纤维化和肺动脉高血压等并发症至关重要.
研究的目的:
- 利用生物信息学探索血管生成相关基因在ILD和COPD中的作用.
- 确定慢性肺部疾病的新型治疗点.
- 了解血管生成,免疫反应和疾病进展之间的关系.
主要方法:
- 不同基因表达分析.
- 权重基因同表达网络分析 (WGCNA).
- 机器学习算法,基因组丰富分析 (GSEA),基因本体学 (GO),基因和基因组的京都百科全书 (KEGG) 和免疫细胞透分析.
主要成果:
- 慢性肺炎和ILD与血管新生,免疫反应和炎症途径有共同的关联.
- 鉴定了171个基因的慢性肺病基因组,并进一步选择了21个血管生成相关基因.
- 四个关键基因 (COL10A1,EDN1,MMP1,RRAS) 被确定为血管生成和免疫过程的关键基因,区分疾病状态和免疫透.
结论:
- COL10A1,EDN1,MMP1和RRAS是治疗慢性肺部疾病的潜在治疗点.
- 这些基因可能有助于减缓疾病的进展,并防止其恶化为纤维化或肺动脉高血压.
- 在疾病和对照组中一致观察到单细胞透,突出显示了它们在慢性肺病发展中的重要作用.
相关概念视频
Mechanism of Angiogenesis
Blood vessel formation starts early during embryonic development, around day 7. In the extraembryonic yolk sac, mesodermal precursor cells called hemangioblast proliferate and differentiate into angioblast. Angioblasts express vascular endothelial growth factor receptor 2 or VEGFR2, which binds VEGF-A, a proangiogenic factor, guiding blood vessel formation. VEGF signaling promotes angioblasts to form a blood island in the developing embryo. Angioblasts further differentiate, giving rise to...
Regulation of Angiogenesis and Blood Supply
Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits. Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl hydroxylase and factor...
Chronic Inflammation: Introduction
Chronic inflammation is a prolonged, dysregulated immune response that persists for weeks to years when the inciting stimulus is difficult to eradicate or when self‑antigens drive ongoing reactivity. Morphologically, it is defined by mononuclear cell infiltration, progressive tissue destruction, and concurrent attempts at healing via angiogenesis and fibrosis. Compared with acute inflammation, edema is less prominent while cellular infiltration predominates; triggers include persistent...

