相关实验视频

Updated: Jun 14, 2025

Dorsal Root Ganglion Injection and Dorsal Root Crush Injury as a Model for Sensory Axon Regeneration

Dorsal Root Ganglion Injection and Dorsal Root Crush Injury as a Model for Sensory Axon Regeneration

Published on: May 3, 2017

通过AAV介导的miR-17表达增强了体外神经质和轴突再生

Raquel Alves Almeida¹, Carolina Gomes Ferreira¹, Victor Ulysses Souza Matos¹

¹Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais, Av. Pres. Antônio Carlos, 6627, Belo Horizonte 31279-901, Brazil.

International journal of molecular sciences

|August 29, 2024

概括

像miR-17这样的微RNA可能会促进中枢神经系统 (CNS) 中的轴突再生. 这项研究发现miR-17增强了培养神经元中的神经元和轴突再生,可能减轻神经退行性影响.

科学领域:

神经科学是一个神经科学.
分子生物学分子生物学
再生医学是一种再生医学.

背景情况:

中枢神经系统 (CNS) 中的轴突损伤无法再生,导致永久性缺陷.
内在神经元生长能力的发育性下降有助于这种缺乏再生.
微RNAs (miRNAs) 在轴突再生中的作用在很大程度上是未知的.

研究的目的:

研究miR-17的功能,一个高度表达的发育miRNA,在促进轴突再生.
为了评估miR-17过度表达对神经元和轴突再生 in vitro的影响.

主要方法:

基相关病毒 (AAV) 载体被用于在原发皮质神经元中过度表达miR-17.
在实验室中评估了神经细胞外生长,树木化和受伤后的再生.
微流体室被用于受控轴切除和再生研究.

主要成果:

过度表达miR-17显著增强了伤损伤后神经元的再生.
在微流体培养中,miR-17显著促进了轴突切除术后的轴突再生.
没有观察到对整体神经细胞增长和树木化的显著影响.

结论:

miR-17在促进神经元的再生反应方面发挥着至关重要的作用.
miR-17 可能调节参与自和细胞代谢的基因,支持再生.
向miR-17可以提供一种治疗策略,以减轻神经退行性影响.

关键词:

轴子的轴子是一个轴子.伤害的伤害的伤害的伤害.这就是miR-17-17的特点.复兴再生是一种再生方式.

更多相关视频

A Drosophila In Vivo Injury Model for Studying Neuroregeneration in the Peripheral and Central Nervous System

A Drosophila In Vivo Injury Model for Studying Neuroregeneration in the Peripheral and Central Nervous System

Published on: May 5, 2018

Investigating Mammalian Axon Regeneration: In Vivo Electroporation of Adult Mouse Dorsal Root Ganglion

Investigating Mammalian Axon Regeneration: In Vivo Electroporation of Adult Mouse Dorsal Root Ganglion

Published on: September 1, 2018

相关概念视频

Neurogenesis and Regeneration of Nervous Tissue

Neurogenesis and Regeneration of Nervous Tissue

In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...