菲林特雷穆林A-C,来自药用真菌Phellinus tremulae的抗感应性石类药物
Chun Tian1, Li-Tang Sun2, Tian Jin1
1School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, 430074, China.
Phytochemistry
|April 30, 2024
概括
来自Phellinus tremulae的三种新的基类物,phellintremulins A-C,表现出显著的抗感受作用. 这些化合物抑制通道 (Nav) 并表现出强大的止痛活性,其中B和C的性能优于利多卡因.
科学领域:
- 自然产品化学 自然产品化学
- 神经药理学神经药理学
- 药用菌类学 药用菌类学
背景情况:
- 药用真菌Phellinus tremulae是生物活性二次代谢产物的来源.
- 甲类是一种多样化的自然产品类别,具有广泛的生物活动.
研究的目的:
- 从Phellinus tremulae中分离和描述新型的状类动物.
- 评估分离的化合物的神经药理学和抗感性质.
主要方法:
- 使用色谱技术分离和净化化合物.
- 通过光谱数据 (HRESIMS,ECD,NMR) 和计算分析阐明结构.
- 在DRG神经元中对通道抑制的电生理学评估.
- 在体内使用乙酸诱导曲试验进行抗受体活性测试.
主要成果:
- 鉴定出了三个新的类类化合物,即类素A (1),B (2) 和C (3),以及两个已知的类似物 (4,5).
- 菲林特瑞林A-C在DRG神经元中证明抑制了电流 (Nav).
- 在小鼠中观察到菲林特雷穆林A-C具有显著的抗毒感应作用,B和C显示出比利多卡因更大的效力.
结论:
- 林特鲁林A具有独特的重新排列的四类结构.
- 菲林特林A-C通过抑制Nav通道,表现出有希望的神经药理学活性.
- 这些化合物代表了开发新型止痛药的潜在候选者.
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