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在西斯普拉丁诱导的耳毒性中解开内分泌大麻素信号通路
Sakthimala Palaniappan1, Annamaria Tisi1, Camilla Di Meo1
1Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy.
概括
西斯普拉丁化疗导致听力损失. 这项研究揭示了内分泌大麻素系统.
科学领域:
- 耳鼻神经科学 耳鼻神经科学
- 化疗的副作用 化疗的副作用
- 内分泌大麻素系统研究研究.
背景情况:
- 西斯普拉丁化疗可能会导致耳毒性,导致无法逆转的听力损失.
- 目前,对于西斯胺诱导的耳毒性没有有效的治疗方法.
- 内分泌大麻素系统 (ECS) 在听力功能中的作用在很大程度上是未被探索的.
研究的目的:
- 为了调查内分泌系统在西斯普拉丁诱导的耳毒性中的参与.
- 在ECS中识别潜在的治疗点,以减轻化疗引起的听力损伤.
主要方法:
- 在听觉毛细胞类UB/OC1细胞中,ECS的分子概况.
- 建立一个体外模型的西斯普拉丁诱导的耳毒性.
- 验证在体内模型中发现的cisplatin诱导的耳毒性.
- 使用SR144528.28对大麻素受体2 (CB2R) 的药理学阻断.
主要成果:
- 包括受体和主要内分泌素在内的ECS存在于听觉毛细胞中.
- 西斯普拉丁治疗降低了ECS的关键组件 (CB2R,DAGLβ,ABHD6) 的调节,并诱导了毛细胞损伤.
- 药理上阻断CB2R,通过抑制卡斯巴-3酶,保护其免受西斯普拉丁诱导的毛细胞损伤.
- 活体研究证实了体外发现,强调CB2R在耳毒性方面的生理相关性.
结论:
- 内分泌系统的选择性元素参与了西斯普拉丁诱导的耳毒性.
- 大麻素受体2 (CB2R) 在化疗引起的听力损伤中起着重要作用.
- 准CB2R是一种潜在的治疗策略,可以预防或治疗西斯胺诱导的耳毒性.
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