合成聚合物对Clostridium difficile植物性细胞生长和子外生长有活性
Runhui Liu1, Jose M Suárez, Bernard Weisblum
1Department of Chemistry and ‡Department of Medicine, University of Wisconsin , Madison, Wisconsin 53706, United States.
Journal of the American Chemical Society
|October 4, 2014
概括
合成尼龙-3聚合物显示出作为对宿主防御的替代品来对抗Clostridium difficile感染的承诺. 这些聚合物有效地抑制了细菌生长和子生长,与天然相比,毒性降低.
科学领域:
- 生物材料科学 生物材料科学
- 传染病研究 传染病研究
- 聚合物化学 聚合物化学
背景情况:
- 尼龙-3聚合物 (多β-) 被探索为合成替代宿主防御的替代品.
- 这些聚合物在合成和抵抗蛋白质分解方面具有优势.
- 困难菌是一种重要的医院病原体,引起传染性腹疾病.
研究的目的:
- 为了评估尼龙-3共聚合物的体外疗效,针对Clostridium difficile.
- 为了比较尼龙-3共聚合物的性能与人类宿主防御LL-37和抗生素.
- 评估最有效的尼龙-3聚合物的溶血活性.
主要方法:
- 尼龙-3共聚合物的体外分析,针对Clostridium difficile菌株.
- 对抑制植物细胞生长和子外生长的评估.
- 与LL-37,万科米辛和尼辛进行了比较分析.
- 血液溶解测试以确定聚合物毒性.
主要成果:
- 选择的尼龙-3共聚合物在阻断植物细胞生长和抑制子外生长方面表现出与LL-37相当的有效性.
- 尼龙-3共聚合物和LL-37都对流行性C. difficile的027和012核型有效.
- 范科米辛和尼辛未能抑制012核糖型的子外生长.
- 最有效的尼龙-3聚合物表现出较低的溶血活性比LL-37.
结论:
- 尼龙-3共聚合物显示出对Clostridium difficile的治疗剂的潜力.
- 这些合成聚合物为宿主防御和某些抗生素提供了有希望的替代品.
- 尼龙-3共聚合物的进一步开发可能会导致针对C. difficile感染的新型治疗方法.
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