新的氧化捐赠者-阿结合策略,用于有效治疗Cryptococcus neoformans感染
Fangfang Wang1,2, Jianbing Wu3, Mingke Yuan3
1The Center for Basic Research and Innovation of Medicine and Pharmacy (MOE), School of Pharmacy, Second Military Medical University (Naval Medical University), Shanghai 200433, P. R. China.
Journal of medicinal chemistry
|October 11, 2023
概括
新型氧化物 (NO) 捐赠酸衍生物对Cryptococcus neoformans及其生物膜具有强大的抗真菌活性. 使用化合物3h的鼻腔方法有效治疗密码球菌脑膜炎 (CM),提供了一个有前途的新策略.
科学领域:
- 药用化学 医学化学
- 药理学 药理学是指药理学的学科.
- 传染性疾病 传染性疾病
背景情况:
- 侵入性真菌感染 (IFI),特别是加密球菌脑膜炎 (CM),对全球健康构成重大挑战.
- 真菌病原体的耐药性通常与生物膜形成有关,需要新的治疗剂.
- 氧化 (NO) 以其抗微生物特性而闻名,包括抑制微生物生物膜.
研究的目的:
- 设计和合成新型氧化物 (NO) 捐赠的醇衍生物作为潜在的抗真菌剂.
- 评估这些化合物对Cryptococcus neoformans的体外抗真菌活性和作用机制.
- 评估一种化合物在体内治疗密码球菌脑膜炎 (CM) 的疗效.
主要方法:
- 合成了三系列的新型NO-捐赠的醇衍生物.
- 在体外评估对Cryptococcus neoformans及其生物膜的抗真菌活性.
- 使用鼻内输送方法对抗CM效应的体内评估.
主要成果:
- 化合物3a和3e对Cryptococcus neoformans表现出显著的抗真菌活性,并抑制了由NO释放介导的生物膜形成.
- 一种稳定的类似物,3h,在通过鼻内滴液给药时,显示出明显的治疗作用,对CM有明显的治疗作用.
- 3小时的鼻内输送绕过了第一通代谢,并显示了通过血脑屏障增强的大脑透性.
结论:
- 新型无NO捐赠的醇衍生物代表了一类有前途的抗真菌候选物.
- 化合物3h显示了通过有效的鼻内给药途径治疗密码球菌脑膜炎 (CM) 的显著潜力.
- 需要进一步的研究来探索这些化合物和IFI的输送方法的治疗潜力.
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