多能神经细胞系可以移植并参与小鼠小脑的发展
E Y Snyder1, D L Deitcher, C Walsh
1Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115.
Cell
|January 10, 1992
概括
研究人员产生了不朽的神经前代细胞,这些神经前代细胞在小脑中安全地集成和分化. 这些发现表明了基于细胞的中枢神经系统 (CNS) 修复和基因疗法的潜力.
科学领域:
- 神经科学是一个神经科学.
- 细胞生物学 细胞生物学
- 再生医学是一种再生医学.
背景情况:
- 开发用于中枢神经系统 (CNS) 疾病的细胞疗法需要可靠的神经原生细胞.
- 永生的神经前代细胞可以促进它们的扩张用于治疗应用.
研究的目的:
- 从小脑原生细胞中生成和表征不朽的多能神经细胞系.
- 评估这些细胞在移植到小脑后的体内行为,分化潜力和长期存活.
主要方法:
- 以逆转录病毒为媒介的v-myc转移被用来使小脑前代细胞永生.
- 细胞被移植到新生小鼠的大脑中.
- 使用包括lacZ表达,PCR,电子显微镜和免疫组织化学在内的技术分析了移植,集成,分化和突触连接.
主要成果:
- 产生了不朽的多能神经细胞系,在移植时是非瘤的.
- 植入的细胞适当地集成到小脑细胞结构中.
- 细胞根据移植地点分化为神经元和质细胞.
- 移植衍生的神经元与宿主细胞形成了功能性突触连接.
- 在移植后的22个月内,植入的细胞是可以识别的.
结论:
- 永生的神经细胞系可以从小脑原始细胞产生,并安全地植入中枢神经系统.
- 这些细胞系在体内有潜力分化为适当的神经细胞类型.
- 这些发现支持使用这些细胞系用于中枢神经系统修复和基因传递策略的可行性.
- 这些不朽的线条为研究小脑原始细胞的结合和分化提供了有价值的模型.
相关概念视频
01:21Sleep Apnea
Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
The condition is more prevalent among...
01:22Cardiopulmonary Resuscitation II: ACLS Airway Management
Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned under...