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Neural Regulation01:37

Neural Regulation

Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
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Glia, or neuroglia, are vital support cells that assist neurons in their functions. The term "glia" originates from the Greek word for "glue," reflecting their role in holding the nervous system together. These cells can be categorized into six types: four in the central nervous system (CNS) and two in the peripheral nervous system (PNS).
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神经干细胞调节的介质在APP/PS1小鼠中保护了对认知功能障碍的保护.

Xiaoyu Zheng1, Qian Xiang1, Xiaoxu Dong1,2

  • 1Department of Critical-Care Medicine, Shandong Provincial Hospital, Shandong University, Jinan, China.

Molecular neurobiology
|November 11, 2025
PubMed
概括

神经干细胞受条件介质 (NSC-CM) 在阿尔茨海默病 (AD) 治疗方面显示出前景. 在小鼠模型中,NSC-CM改善了认知功能,并减少了关键的AD病理标志物.

关键词:
阿尔茨海默氏症是阿尔茨海默氏症的一种疾病.星球细胞是星球细胞.认知功能障碍 认知功能障碍在NLRP3中,NLRP3是NLRP3中的一个.神经干细胞条件介质酸化 陶蛋白质的酸化 Tau蛋白质的酸化

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科学领域:

  • 神经科学是一个神经科学.
  • 再生医学是一种再生医学.
  • 药理学 药理学是指药理学的学科.

背景情况:

  • 神经干细胞受条件介质 (NSC-CM) 在再生医学中显示出治疗潜力.
  • 之前的研究表明NSC-CM在阿尔茨海默氏症 (AD) 细胞模型中减轻了细胞亡.

研究的目的:

  • 在AD的小鼠模型中调查NSC-CM对认知衰退的神经保护能力.
  • 评估NSC-CM对β-粉样蛋白 (Aβ) 斑块负载,陶酸化和神经炎症的影响.

主要方法:

  • 一个AD模型的APP/PS1转基因小鼠,每天接受7天或14天NSC-CM或PBS的尾静脉注射.
  • 用新的物体识别测试 (NORT) 和开放场测试 (OFT) 来评估认知和情绪行为.
  • 分析了p-Tau,NLRP3,caspase-1,IL-1β,Aβ斑块负载和星球细胞活动的水平.

主要成果:

  • 在APP/PS1小鼠中,NSC-CM治疗显著改善了认知和情绪缺陷.
  • 观察到减少了粉样β斑块负担和酸化水平.
  • 通过抑制NLRP3炎症酶激活 (NLRP3,caspase-1,IL-1β),NSC-CM增强了天体细胞细胞酶和抑制了神经炎症.

结论:

  • 在小鼠模型中,NSC-CM有效地改善了认知功能障碍和AD的关键病理标志.
  • NSC-CM显示出作为阿尔茨海默氏症治疗的新疗法战略的潜力.