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新型尿酶抑制剂的合理设计和体外试验,以防止尿管管道堵塞
Rachel A Heylen1, Nicola Cusick1, Tom White1
1Department of Chemistry, University of Bath Bath BA2 7AY UK a.t.a.jenkins@bath.ac.uk.
RSC medicinal chemistry
|September 16, 2024
概括
使用计算方法开发了新的尿酶抑制剂,以防止尿道感染引起的导管阻塞. 一种化合物Bis-TU在膀模型中显示出比现有治疗方法更高的疗效,并延长了导管寿命.
科学领域:
- 生物化学 生物化学
- 药用化学 医学化学
- 药物发现 药物发现 药物发现
背景情况:
- 导管相关的尿路感染 (CAUTI) 通常是由尿酸酶阳性生物体引起的.
- 尿素活性导致氨的产生,尿液pH的增加,矿物质 (struvite和apatite) 的沉,导致导管阻塞.
- 乙胺酸 (AHA) 是一种已批准的尿酶抑制剂,但由于副作用,其临床使用有限.
研究的目的:
- 通过合理的 *in silico* 药物设计方法识别新型尿酶抑制剂.
- 开发有效的化合物,防止与CAUTI相关的导管堵塞.
- 探索用于尿酶抑制的局部药物递送策略.
主要方法:
- 合理的 *in silico* 药物设计被用于识别潜在的尿酶抑制剂.
- 一系列的化合物被设计,选和过.
- 选择的化合物,包括*N,N*'-Bis(3-pyridinylmethyl) thiourea (Bis-TU),在*in vitro*尿酶活性测试和*in vitro*膀模型中进行了测试.
主要成果:
- 化合物Bis-TU在*体外*试验中与AHA相比,显示出优异的尿酶抑制活性.
- 与AHA相比,Bis-TU在*体外*膀模型中显著延长了导管寿命.
- 通过可扩散气球导管成功证明了 Bis-TU 的局部输送.
结论:
- 一种具有成本效益的药物设计方法成功发现了一种强大的尿酶抑制剂,Bis-TU.
- 在防止导管堵塞方面,Bis-TU是有前途的,并且可以进一步优化.
- 该设计方法可用于发现其他疾病的抑制剂.
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