相关实验视频

Updated: Aug 1, 2026

In vivo Imaging of Optic Nerve Fiber Integrity by Contrast-Enhanced MRI in Mice

In vivo Imaging of Optic Nerve Fiber Integrity by Contrast-Enhanced MRI in Mice

Published on: July 22, 2014

在auxilin-knockout小鼠中,预突触可塑性和视觉反应受损

Xi Cheng¹, Yu Tang¹, D J Vidyadhara^2,3

¹Department of Biological Sciences, Purdue Institute for Integrative Neuroscience, Purdue Autism Research Center, Purdue University, West Lafayette, IN 47907, USA.

|September 28, 2023

概括

失去奥克林 (DNAJC6/PARK19) 会损害突触囊泡的循环,导致视觉皮层功能障碍和在帕金森病中出现的运动缺陷.

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
遗传学是一个遗传学.

背景情况:

辅素 (DNAJC6/PARK19) 是突触囊泡内分泌的关键合作伙伴.
奥西林中功能丧失突变与家族性帕金森病 (PD) 有关.

研究的目的:

调查奥克西林在突触可塑性和视觉皮层功能中的作用.
了解auxilin-knockout (Aux-KO) 小鼠的前突触内细胞分裂缺陷.

主要方法:

使用了辅敲击 (Aux-KO) 的小鼠模型.
在初级视觉皮层 (V1) 进行了电生理学记录.
采用计算建模和瞳孔测量.

主要成果:

辅助KO小鼠在V1.1中显示出预突触可塑性受损 (短期促进和抑郁).
视觉皮层回路响应受损,包括方向选择性降低和theta振荡变化.
观察到视觉不匹配消极性和光动力学反应的缺陷.

结论:

助素对于维持前突触可塑性和正常视觉皮层功能至关重要.
辅依赖性内细胞分裂功能障碍有助于早期的帕金森病类症状.

关键词:

生物科学生物科学自然科学自然科学神经科学是一个神经科学.生理学生理学生理学

更多相关视频

Evaluation of Synapse Density in Hippocampal Rodent Brain Slices

Evaluation of Synapse Density in Hippocampal Rodent Brain Slices

Published on: October 6, 2017

Combining Optogenetics with Artificial microRNAs to Characterize the Effects of Gene Knockdown on Presynaptic Function within Intact Neuronal Circuits

Combining Optogenetics with Artificial microRNAs to Characterize the Effects of Gene Knockdown on Presynaptic Function within Intact Neuronal Circuits

Published on: March 14, 2018

相关概念视频

In-vitro Mutagenesis

In-vitro Mutagenesis

To learn more about the function of a gene, researchers can observe what happens when the gene is inactivated or “knocked out,” by creating genetically engineered knockout animals. Knockout mice have been particularly useful as models for human diseases such as cancer, Parkinson’s disease, and diabetes.