选新型抗病毒化合物用于治疗Clostridioides difficile感染
Brice J Stolz1,2, Ahmed A Abouelkhair1,2, Mohamed N Seleem1,2
1Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, United States of America.
PloS one
|December 13, 2024
概括
研究人员对抗病毒药物进行了选,以寻找用于Clostridioides difficile感染 (CDI) 的新疗法. 包括α-曼戈斯在内的四种化合物对CDI表现出强烈的活性,对肠道细菌的影响最小,具有有前途的治疗潜力.
科学领域:
- 微生物学 微生物学
- 传染性疾病 传染性疾病
- 药物发现 药物发现 药物发现
背景情况:
- 困难菌感染 (CDI) 是医院感染的重要原因,其特点是高复发率和大量的医疗负担.
- 现有的CDI治疗方法面临着由于复发和需要新的治疗策略的挑战.
- 肠道功能障碍,通常是由于使用抗生素造成的,是CDI的主要危险因素.
研究的目的:
- 通过重新利用现有的抗病毒药物来确定Clostridioides difficile的新型治疗剂.
- 选一套抗病毒化合物的库,检查它们对C. difficile的活性.
- 评估有前途的候选药物的疗效和安全性.
主要方法:
- 针对618种抗病毒药物的库进行了针对C. difficile的抑制活性的选.
- 确定了针对15种C. difficile分离物的已识别化合物的最小抑制度 (MIC).
- 评估了针对代表性人类肠道微生物群的选定化合物的活性.
主要成果:
- 九种化合物在16微米或更低的度下抑制了C. difficile.
- 四种抗病毒化合物rottlerin,α-mangostin,dyocrassin ABBA和obefazimod表现出强烈的抗CDI活性,MIC与万科米辛相当.
- 这些化合物对有益的肠道细菌的活性很小或不存在.
- α-曼戈斯显示出对C. difficile的快速杀菌活性.
结论:
- 已识别的抗病毒化合物,特别是α-mangostin,显示出作为治疗Clostridioides difficile感染的新疗法显著的希望.
- 对抗病毒药物的药物再利用为发现新的抗CDI药物提供了可行的策略.
- 这些化合物具有有利的特性,包括有针对性的活性和对肠道微生物群的最小影响,这表明有可能减少CDI的严重程度和复发.
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