在不稳定的人类动脉样硬化病变中,光滑肌细胞内的克隆增殖
Kenji Kawai1, Atsushi Sakamoto1, Michal Mokry2,3
1Department of Pathology, CVPath Institute, Gaithersburg, MD (K.K., A.S., S.K.B.G., R.K., W.X., L.G., D.T.F., T.T., P.S., A.C., Y.S., M. Mori, T.K., A.E.V., R.D., R.V., A.V.F.).
Arteriosclerosis, thrombosis, and vascular biology
|October 26, 2023
概括
动脉样硬化涉及光滑肌肉细胞 (SMC) 克隆,使用一种新的X链接大甘 (BGN) 基因删除方法检测到. 这一发现为这种常见的心血管疾病提供了新的治疗点.
科学领域:
- 心血管研究研究心血管研究
- 遗传学 是一个遗传学.
- 细胞生物学 细胞生物学
背景情况:
- 以前的研究表明,在人类动脉样硬化病变中,光滑肌肉细胞 (SMC) 克隆,但由于分辨率或模型可翻译性而受到限制.
- 通过X染色体失活模式检测表型克隆性是可能的.
研究的目的:
- 调查不稳定的人类动脉瘤中SMC克隆的存在.
- 利用一种新的RNA in situ杂交技术来识别和映射SMC克隆.
主要方法:
- 采用RNA in situ杂交 (BaseScope) 来检测SMC中的X链接大甘 (BGN) 基因mRNA中的特定删除.
- 分析了异卵性雌性冠状动脉斑块类型 (侵蚀,破裂,适应性亲密加厚) .
- 量化克隆性使用克隆性指数和空间转录组学来识别克隆和非克隆区域中差异表达的基因.
主要成果:
- 克隆性SMC种群在不到一半的亲密斑块区域中被确定,在亲密区域的流行率高于媒体.
- 在亲密斑块和介质中的支配性克隆之间观察到显著的一致性.
- 与非克隆区域相比,富含SMC的克隆区域表现出较低的细胞生长抑制基因表达.
结论:
- 动脉样硬化以多克隆和单克隆光滑肌肉细胞扩张为特征.
- 这些发现表明潜在的新治疗策略,针对动脉样硬化中的SMC克隆性.
- 这种新的方法为检查疾病中的细胞克隆性提供了一种新方法.
更多相关视频
08:28Isolation of Primary Patient-specific Aortic Smooth Muscle Cells and Semiquantitative Real-time Contraction Measurements In Vitro
Published on: February 15, 2022
3.7K
06:43Quantitative Analysis and Characterization of Atherosclerotic Lesions in the Murine Aortic Sinus
Published on: December 7, 2013
13.8K
相关概念视频
01:30Atherosclerosis I: Introduction
9
Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
9
01:26Coronary Artery Disease II: Pathophysiology
12
Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
12
01:38Inflammation
53.7K
Overview
53.7K
01:13Structure and Organization of Smooth Muscles
5.8K
Smooth muscle tissue is a type of muscle tissue that can be found lining various vital organs in the human body, including the lungs, blood vessels, digestive tract, and respiratory tract. This type of tissue is responsible for regulating the movements of these organs, playing crucial roles in the functioning of various systems, including the vascular, digestive, respiratory, and urinary systems.
Structure of smooth muscle cell
Smooth muscle cells are spindle-shaped with tapering ends and a...
Structure of smooth muscle cell
Smooth muscle cells are spindle-shaped with tapering ends and a...
5.8K