利用 PROTAC 技术对抗压力激素受体激活
Mahshid Gazorpak1,2, Karina M Hugentobler3, Dominique Paul4
1Laboratory of Epigenetics and Neuroendocrinology, Institute for Neuroscience, Department of Health Science and Technology, ETH Zürich, 8057, Zürich, Switzerland.
Nature communications
|December 9, 2023
概括
一种新型的向蛋白质溶解的嵌合体,KH-103,在没有遗传修饰的情况下有效地消耗葡萄糖皮质体受体 (GR). 这种选择性GR降解剂为与压力相关的疾病和研究应用提供了一个有前途的治疗策略.
科学领域:
- 神经科学是一个神经科学.
- 药理学 药理学是指药理学的学科.
- 分子生物学分子生物学
背景情况:
- 葡萄糖皮质体受体 (GR) 的过度激活与与压力相关的精神疾病有关.
- 目前的GR抗体缺乏选择性,并引起副作用.
- 需要针对GR的新型治疗策略.
研究的目的:
- 开发和描述一种新的,有选择性的GR降解剂.
- 在体外和体内研究KH-103的疗效.
- 探索KH-103作为理解GR功能的一种工具.
主要方法:
- 开发KH-103,一种针对GR的蛋白质溶解向嵌合体 (PROTAC).
- 评估KH-103的功效,选择性和可逆性的评估.
- 使用初级神经元培养物的体外研究来评估依赖GR的活性.
- 在体内进行概念验证研究.
主要成果:
- KH-103 显示出强效和选择性的GR耗尽.
- 通过KH-103的GR耗尽是立即的,可逆的,并且独立于基因操纵.
- KH-103比现有的抑制剂更有效地避免了GR的基因组影响.
- 在神经元中KH-103的应用显示了GR对葡萄糖皮质醇诱导的活性的依赖性.
- 建立了成功的体内概念验证.
结论:
- KH-103是一种具有治疗潜力的强效和选择性GR降解剂.
- 这项技术提供了一种新的方法来抵消GR过度激活.
- KH-103有助于更清楚地理解GR函数,并具有翻译价值.
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