通过NOTCH1和NRG1控制心脏凝动态,定义了轨道运动的建筑图
Gonzalo Del Monte-Nieto1,2, Mirana Ramialison3, Arne A S Adam4
1Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, Darlinghurst, New South Wales, Australia. g.delmonte@victorchang.edu.au.
Nature
|May 11, 2018
概括
对于心脏发育至关重要的心室通道,涉及NOTCH1促进细胞外基质 (ECM) 降解和神经调节素 (NRG) 促进ECM合成. 这项研究模拟了这些途径.
科学领域:
- 心血管生物学
- 发育生物学
- 分子心脏病学
背景情况:
- 室内形成了一个海绵状的心肌细胞网络, 对于心脏功能至关重要.
- 化缺陷导致胚胎致死性或非收缩性心肌病 (NCC).
- 早期的分子调节和细胞外矩阵 (ECM) 动力学仍然在很大程度上未被探索.
研究的目的:
- 模拟老鼠早期的心脏,整合动态细胞行为和ECM重塑.
- 阐明调节轨道形成及其相互连接的信号通路.
- 揭示先天性心脏病病理学的新见解, 特别是NCC.
主要方法:
- 开发结合内心和心肌细胞动态的小鼠模型.
- 细胞外基质 (ECM) 在化过程中重塑的分析.
- 研究NOTCH1和神经调节 (NRG) 信号通路之间的表皮关系.
主要成果:
- NOTCH1信号促进心内膜退化以形成内心投影.
- NRG1信号刺激心肌内膜的合成,从而促进心管内膜的重新排列和生长.
- NRG1控制了Vegfa,连接了对抗性作用的通路,形成了轨道结构.
结论:
- NOTCH1和NRG1信号通道对调节状结构有敌对作用.
- 这项研究提供了一种新型的穿刺模型,揭示了关键的分子相互作用.
- 对心脏病的动态和信号的洞察提供了对先天性心脏病机制的新视角.
相关概念视频
Sampling Plans
999
Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
999
Defining Psychology
8.0K
Psychology is the scientific discipline dedicated to understanding both observable behavior and the internal mental processes underlying such behavior. It aims to comprehend human nature and apply this understanding to solve practical problems, enhance well-being, and improve societal outcomes. An example of psychology's application is the study of prosocial behavior, such as why and under what conditions individuals might help strangers in need. This process involves describing observed...
8.0K
Movement Joints in Buildings
360
Movement joints in buildings are essential design elements that accommodate inevitable motions caused by various factors such as temperature changes, moisture content variations, and structural deflections. These motions, if not considered in design and construction, can lead to unsightly or dangerous damage. Movement joints are incorporated in different forms to manage these stresses and allow materials to move without causing distress.
The simplest type of movement joints, working joints, are...
The simplest type of movement joints, working joints, are...
360
Types of Building Stone
458
Building stones, essential materials for construction, are extracted from natural rock deposits and processed into specific forms and dimensions suitable for various building applications. These stones are broadly classified into three types based on their geological formation: igneous, sedimentary, and metamorphic.
Igneous rocks are formed from the solidification of magma or lava. An example is granite, known for its durability and resistance to weathering, making it ideal for parts of...
Igneous rocks are formed from the solidification of magma or lava. An example is granite, known for its durability and resistance to weathering, making it ideal for parts of...
458
Planning Nursing Care I
6.0K
The planning phase of the nursing process helps nurses set priorities, outline patient-centered goals and expected outcomes, and tailor nursing interventions to align with the aligned care plan. Through the planning phase, the nurse applies critical thinking skills to align and develop interventions according to the patient's needs. It provides continuity of care allowing patients to receive the maximum benefit from treatment. It serves as a pilot plan for allocating individual staff to a...
6.0K
Planning Nursing Care II
3.9K
A nursing care plan can present in two forms: informal and formal. Informal is a care plan for the individual use of the nurse and goals they wish to accomplish during their shift. Informal care plans are not included in the patient chart. A formal nursing care plan is a written or computerized guide that organizes patient care. It is further subdivided into two: standardized and individualized care plans. Standardized care plans are pre-populated care plans for specific patient populations,...
3.9K


