组胺H3受体对抗剂,thioperamide,改善了与对牛奶过敏原的亚临床过敏相关的行为和神经病理变化
Danielle Germundson-Hermanson1,2, Marilyn G Klug3, Kumi Nagamoto-Combs4
1Department of Pathology, University of North Dakota School of Medicine and Health Sciences, ND, 58202-9037, Grand Forks, USA.
概括
食物过敏会影响大脑功能. 这项研究发现,用 thioperamide 阻断 histamine H3 受体,改善了牛鼠的雄性小鼠的情绪和大脑变化.
科学领域:
- 神经免疫学 神经免疫学
- 过敏研究 研究过敏
- 药理学 药理学是指药理学的学科.
背景情况:
- 食物过敏,像牛奶过敏 (CMA),与情绪和行为问题有关.
- 过敏时 histamine (HA) 的升高可能会影响中枢神经系统.
- 以前的研究表明,CMA小鼠的大脑HA和H3受体 (H3R) 增加,伴有类似抑郁症的行为和神经炎症.
研究的目的:
- 为了调查是否阻断H3R与thioperamide可以减少CMA诱导的行为和神经病理变化.
- 探索H3R信号在与过敏相关的大脑功能障碍中的作用.
- 要确定这些影响是否取决于性别.
主要方法:
- 在C57BL/6J小鼠中,通过对β-乳球蛋白 (BLG) 的敏感化诱导了CMA.
- 治疗小鼠时使用了硫胺,H3R抗剂或对照剂.
- 进行了行为测试,脑组织分析 (神经炎症,脱髓化,巨细胞) 和性别特异性评估.
主要成果:
- CMA小鼠表现出改变的情感和认知行为,特别是雄性.
- 雄性CMA小鼠在硬质膜中显示出杆细胞激活的增加.
- 在雄性CMA小鼠中,thioperamide治疗减轻了行为和神经病理变化,在雌性小鼠中观察到明显的效应.
结论:
- 在CMA相关的行为和神经病理变化中,H3R信号发挥着重要作用.
- 提奥帕拉米德以性别依赖的方式改善了这些变化.
- 向H3R可能为与过敏相关的神经相关疾病提供治疗策略.
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