HDAC6 缺乏对小鼠的行为和帕金森病病理有中等影响
Jiayin Zhao1, Yongtao He1, Yufei Duan1
1Department of Translational Neuroscience, Jing'an District Centre Hospital of Shanghai, State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, Institutes of Brain Science, Fudan University, 138 Yixueyuan Road, Shanghai 200032, China.
International journal of molecular sciences
|June 28, 2023
概括
基因组脱乙酶6 (HDAC6) 缺乏导致小鼠的行为变化,但没有显著改变帕金森病 (PD) 病理,包括多巴胺神经元损失或α-synuclein表达.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 遗传学 是一个
- 药理学 药理学是指药理学的学科.
背景情况:
- 海斯脱乙酶6 (HDAC6) 在蛋白质聚合和神经炎症中起作用.
- 它在帕金森病 (PD) 病原发生中的具体参与需要进一步阐明.
研究的目的:
- 研究HDAC6缺乏对帕金森病病理进展的影响.
- 探索HDAC6在MPTP诱导的神经退行症中的作用.
主要方法:
- 使用CRISPR-Cas9技术生成Hdac6淘汰 (KO) 的小鼠.
- 用MPTP诱导野生型和Hdac6 KO小鼠的急性PD模型.
- 行为测试和对多巴胺能神经元存活率,多巴胺水平和α-synuclein表达的分析.
主要成果:
- 雄性Hdac6KO小鼠表现出多动和类似焦虑的行为.
- HDAC6缺陷提供了对MPTP诱导的运动缺陷的轻微保护.
- 在多巴胺枯竭,多巴胺能神经元损失,质激活,α-synuclein水平或尼格罗斯特里亚特通路的亡中没有观察到显著的变化.
结论:
- 在小鼠中,HDAC6 缺乏导致中度的行为变化.
- 在这种急性PD模型的核心神经病理特征中,HDAC6似乎不是一个关键因素.
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