相关实验视频
Updated: Jul 1, 2025

Evaluation of Synapse Density in Hippocampal Rodent Brain Slices
Published on: October 6, 2017
通过调节Wnt5a/β-catenin介导的神经发生,TSHR信号促进海马依赖性记忆形成
Yuchen Li1, Sisi Luan2, Cairong Ruan1
1Department of Endocrinology, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, 250021, China; Key Laboratory of Endocrine Glucose & Lipids Metabolism and Brain Aging, Ministry of Education, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China; Shandong Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, Shandong, 250021, China; Shandong Institute of Endocrine and Metabolic Diseases, Jinan, Shandong, 250021, China.
甲状腺刺激激素受体 (TSHR) 在海马体中的信号传递对学习和记忆至关重要. 它的缺乏通过Wnt/β-catenin通路损害神经发生,为亚临床甲状腺功能障碍症的认知影响提供了见解.
科学领域:
- 神经内分泌学神经内分泌学
- 分子神经科学 分子神经科学
- 认知科学 认知科学
背景情况:
- 亚临床甲状腺功能障碍症的特征是甲状腺刺激激素 (TSH) 低,甲状腺激素正常.
- 低TSH受体 (TSHR) 信号与认知障碍有关,但机制尚不清楚.
- 需要阐明TSHR在海马功能和记忆中的作用.
研究的目的:
- 研究海马神经元中TSHR信号影响学习和记忆的分子机制.
- 确定TSHR缺乏对海马神经发生和相关信号通路的影响.
- 探索调节TSHR相关途径用于认知障碍的治疗潜力.
主要方法:
- 产生具有海马神经元特异性切除的 Tshr 缺乏小鼠.
- 使用行为测试评估学习和记忆.
- 分析海马神经发生和Wnt5a和β-catenin信号元件的表达.
- 使用SKL2001.1.使用Wnt/β-catenin通路的药理活性.
主要成果:
- 在海马神经元中Thrr缺乏会显著损害小鼠的学习和记忆.
- 在 Tshr 缺乏小鼠的海马体中观察到神经发生和 Wnt5a 表达的减少.
- β-catenin 信号通路的无活化与 Tshr 剥离有关.
- 在 Tshr 缺乏的小鼠中,SKL2001 治疗改善了记忆力缺陷和增加了海马神经发生.
结论:
- hippocampus 中的 TSHR 信号传递对于调节神经发生和记忆功能至关重要.
- TSHR-Wnt5a-β-catenin通路调解了TSHR对海马神经发生的作用.
- 针对TSHR-Wnt/β-catenin通路可能为与TSHR功能障碍相关的认知障碍提供新的治疗策略.
更多相关视频
09:46Analysis of Gene Expression Changes in the Rat Hippocampus After Deep Brain Stimulation of the Anterior Thalamic Nucleus
Published on: March 8, 2015
07:43Immunohistochemical Visualization of Hippocampal Neuron Activity After Spatial Learning in a Mouse Model of Neurodevelopmental Disorders
Published on: May 12, 2015
相关概念视频
Hedgehog Signaling Pathway
TGF - β Signaling Pathway
Canonical Wnt Signaling Pathway
Non-Canonical Wnt Signaling Pathways
Enzyme-linked Receptors
Neurotrophin (NT) receptors are a family of RTKs, including trkA, trkB, and trkC (tropomyosin-related kinase) receptors. TrkA is specific for nerve growth factor (NGF), neurotrophin-6, and neurotrophin-7. TrkB binds...
Neurogenesis and Regeneration of Nervous Tissue