BCI通过恢复pERK-BDNF来改善酒精诱导的认知和情绪障碍
Sasa Wang1, Xinlei Zhang2, Yuru Zhao1
1School of Basic Medical Sciences, Zhengzhou University, No. 100, Science Avenue, Zhengzhou, 450001, Henan, China.
Journal of molecular neuroscience : MN
|June 18, 2024
概括
慢性间歇性酒精暴露会通过增加DUSP1/6来损害记忆和情绪,这抑制了中间前额叶皮层中的ERK-BDNF通路. 准DUSP1/6可能治疗酒精诱导的大脑疾病.
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
- 药理学 药理学是指药理学的学科.
背景情况:
- 过度饮酒会导致神经损伤和行为问题,但潜在的神经机制仍然不清楚.
- 细胞外调节蛋白激酶 (ERK) 对于神经元的生存和可塑性至关重要,调节大脑衍生神经营养因子 (BDNF) 的表达.
- 双特异性酸酶 (DUSP1和DUSP6) 通过脱化来使ERK1/2失活.
研究的目的:
- 研究慢性间歇性酒精暴露 (CIAE) 影响记忆和情绪的分子机制.
- 探索ERK-BDNF通路和DUSP1/6在酒精诱导的认知和情绪缺陷中的作用.
主要方法:
- 建立一个慢性间歇性酒精暴露 (CIAE) 鼠标模型.
- 评估小鼠的认知和情绪行为.
- 在中部前额皮层 (mPFC) 中测量DUSP1,DUSP6,p-ERK和BDNF水平.
- 在mPFC中使用DUSP1/6抑制剂 (BCI) 的药理干预.
主要成果:
- CIAE小鼠表现出对短期识别记忆的损害和类似焦虑的行为.
- CIAE导致DUSP1和DUSP6的表达增加,并在mPFC中降低p-ERK和BDNF水平.
- 在mPFC中抑制DUSP1/6恢复了树突形态,改善了认知和情绪缺陷.
结论:
- CIAE通过增加mPFC中的DUSP1/6来损害认知和情绪功能,导致ERK-BDNF通路的抑制.
- DUSP1和DUSP6是治疗酒精滥用相关的大脑疾病的潜在治疗点.
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