腹腔大动脉动脉瘤的动物模型:我们现在的位置以及我们需要去的地方
Kangli Tian1,2, Fizza Malik2, Sihai Zhao2
1Department of Pathology, School of Basic Medicine, Luoyang Polytechnic College, Luoyang, China.
Animal models and experimental medicine
|February 5, 2025
概括
腹腔大动脉动脉瘤 (AAA) 破裂的死亡率很高. 目前的动物模型有局限性,阻碍了这种关键血管疾病的临床转化.
科学领域:
- 血管生物学 血管生物学
- 生物医学工程 生物医学工程
- 心血管研究研究心血管研究
背景情况:
- 腹腔大动脉动脉瘤 (AAA) 破裂带来了高死亡率,造成了严重的健康问题,特别是在中国.
- 目前的AAA研究受到现有动物模型的局限性所阻碍.
- 了解AAA的发病性对于开发有效的药理疗法至关重要.
研究的目的:
- 审查和批判性地评估腹腔大动脉动脉瘤 (AAA) 的常见动物模型.
- 讨论当前AAA建模技术的应用和局限性.
- 为AAA研究提出开发改进动物模型的方向.
主要方法:
- 已建立的AAA动物模型的审查:弹性酶输液,血管素II (Ang II) 输液,化的应用,血管移植和基因修饰.
- 对弹性酶和Ang II诱导的AAA模型的优缺点的分析.
- 模型特征与临床AAA表现和风险因素的比较.
主要成果:
- 弹性酶诱导的AAA模型显示过渡性病变的发展,很少发生破裂.
- 在Ang II诱导的AAA模型中,通常会出现大动脉剖析,这在人类AAA中并不总是存在的.
- 现有的模型不充分纳入关键的AAA风险因素,如吸烟,年龄,性别和高血压.
结论:
- 目前的AAA动物模型具有重大限制,影响其临床翻译有效性.
- 迫切需要新的AAA模型,以更好地回顾人类疾病病理和风险因素.
- 在AAA建模方面的进步对于阐明病原和开发新的治疗策略至关重要.
相关概念视频
Aneurysm I: Introduction
An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
Aneurysm II: Clinical Manifestations and Diagnostic Studies
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
Aneurysm III: Interprofessional Care
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...


