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具有强烈抗菌活性的复合物:机械洞察力和凝增强的有效性

Eleni Ioanna Tzaferi¹, Despoina Varna¹, Igor V Esarev²

¹Laboratory of Inorganic Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.

Molecules (Basel, Switzerland)

|October 29, 2025

概括

新的含有quinazolinone thioamide配体的银 (I) 复合物显示出强大的抗菌活性,特别是针对金黄色葡萄球菌. 包装在酸水凝中可以提高疗效和生物相容性,这表明有希望的抗菌药物平台.

科学领域:

协调化学协调化学
药用化学医学化学
材料科学材料科学材料科学

背景情况:

银 ((I) 协调化合物具有已记录的抗菌性质.
配体选择,水溶性和生物可用性显著影响Ag (I) 复合物的疗效.
需要新型抗菌剂,有效对抗抗性细菌菌株.

研究的目的:

合成和评估新型Ag(I) 复合物与quinazolinone thioamide和素辅配体的抗菌活性.
研究这些复合体的结构-活动关系.
开发改进的药物输送配方,以提高抗菌疗效和可溶性.

主要方法:

合成6个新的Ag(I) 复合物,其中包括mqztH和素辅配体.
在体外抗菌活性测定对大肠杆菌 (大肠杆菌) 和金黄色葡萄球菌 (金黄色葡萄球菌).
封装最强的复合物 ([AgCl(mqztH) ((PPh3) 2),复合物 1) 进入藻酸盐 (BaAlg) 矩阵.
在L929正常的真核细胞上进行生物相容性测试.
机理学研究涉及谷氨还原酶 (GR) 和硫素还原酶 (TrxR) 抑制试验.

主要成果:

所有合成的复合物都选择性地抑制了S. aureus的生长.
单牙PPh3辅配体对于增强抗菌功效至关重要.
综合体1证明了广谱活性,S. aureus的IC50值为4.2 ± 1.4μg mL-1,E. coli的IC50值为63 ± 1.9μg mL-1.
凝配方 [1]@BaAlg 在明显低于自由复合物1的度下显示出类似的活性.
综合体1与L929细胞具有很高的生物相容性.
机理学研究表明,通过GR和TrxR的抑制,它会干扰细菌的氧化还原稳定.

结论:

合成的Ag(I) 复合物,特别是复合物1与PPh3辅配体,显示出显著的抗菌潜力.
氨酸的水凝配方 ([1]@BaAlg) 提供了更好的溶解性,增强活性和生物相容性.
干扰细菌氧化还原稳定是复杂1的关键作用机制.
复杂的1-loaded水凝是开发新型抗菌疗法的有希望的平台.

关键词:

抑制GR的抑制是GR的抑制.抑制了TrxR的发生.基于酸盐的水凝.它具有抗菌活性,具有抗菌活性.异环基亚胺胺的异环基亚胺.酸盐的含量是多少酸盐的含量氧化还原活动的活性.银 ((I) 复合物中的复合物.

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