纳菲尔提亚醇:是一种广泛的抗真菌剂
Mohamed Hagras1, Nader S Abutaleb2,3, Hany G Ezzat1
1Department of Pharmaceutical Organic Chemistry, College of Pharmacy, Al-Azhar University Cairo 11884 Egypt m.hagrs@azhar.edu.eg amayhoub@azhar.edu.eg.
RSC medicinal chemistry
|October 20, 2023
概括
一种新型的纳非醇衍生物,化合物18显示强大的抗真菌活性对Cryptococcus,与现有的药物相比,但对细胞内病原体和生物膜更有效. 这种化合物有效地穿越血脑屏障,为加密球菌脑膜炎提供了有前途的新疗法.
科学领域:
- 菌类学 菌类学是指菌类学.
- 药用化学 医学化学
- 传染性疾病 传染性疾病
背景情况:
- 加密球菌感染导致显著的死亡率,主要是通过脑膜炎,由于病原体能够穿越血脑屏障 (BBB).
- 现有的抗真菌疗法存在局限性,包括毒性,耐受性差,以及新出现的耐药性,这凸显了对新型治疗的需求.
研究的目的:
- 评价一种新型纳菲尔提亚衍生物 (化合物18) 作为加密球菌脑膜炎治疗剂的抗真菌潜力.
- 评估化合物18对各种Cryptococcus菌株的疗效,包括对可纳耐药物种,以及其药物动力学特性.
主要方法:
- 使用针对Cryptococcus菌株的最小抑制度 (MIC) 试验来确定抗真菌活性.
- 进行了体外测试,以评估化合物18对细胞内真菌负担和生物膜形成的影响.
- 药理动力学 (PK) 研究评估了18化合物在口服后透到中枢神经系统 (CNS) 的能力.
主要成果:
- 化合物18表现出强大的抗真菌活性,MIC值与安福特素B和可纳相当 (低至1μg mL−1).
- 它显著降低了细胞内的Cryptococci负担,并抑制了加密球菌生物膜的形成,在这些方面表现优于fluconazole.
- 药物动力学评估显示,口服后中枢神经系统的透性很高,维持治疗性血度18小时.
- 观察到抗真菌活性对抗可纳耐药的Candida auris.
结论:
- 新型纳非西醇衍生物,化合物18显示出作为加密球菌脑膜炎治疗剂的显著前景.
- 它有利的药理动力学特征,包括中枢神经系统的透,结合强大的体外活性和生物膜抑制,需要进一步研究.
- 化合物18代表了潜在的新治疗选择,特别是在耐药菌株引起的感染中.
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