合成和结构性活动关系 研究酸衍生物作为抗结核剂的研究
Sadhna Vishwakarma1,2, Santosh K Srivastava1, Naveen K Khare2
1Department of Medicinal Chemistry, CSIR-Central Institute of Medicinal and Aromatic Plants (CIMAP), Lucknow, 226015, India.
一种新型的乌尔索酸衍生物UA-1H显示出对Mycobacterium tuberculosis的强烈体外活性. 在 silico 研究表明有利的药理动力学,表明开发成一种新的结核病药物的潜力.
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.
- 自然产品 自然产品
背景情况:
- 乌尔索酸 (UA) 是一种天然的三类化合物,具有多种不同的药理作用.
- 以前的研究表明,半合成UA类似物具有增强的抗癌,抗疟和抗性质.
研究的目的:
- 为了合成乌尔索酸的新型C-3烯酸衍生物.
- 评估这些衍生物的体外和内抗结核潜力.
主要方法:
- 乌尔索酸的八个C-3烯酸衍生物的半合成.
- 在体外评估抗结核菌对Mycobacterium tuberculosis (Mtb) H37Ra的疗效,使用亚格稀释剂.
- 在分子对抗Mtb目标的对接:酶过氧化酶,二叶酸还原酶,-ACP还原酶和细胞染色体bc1氧化酶.
主要成果:
- 衍生品UA-1H (3-O-(2-amino,3-甲基酸) -乙烯乌索酸) 在体外表现出最高的活性 (MIC 2.5μg/mL) 对Mtb H37Ra.
- UA-1H对Mtb目标显示出显著的结合亲和力 (10.8-11.4 kcal/mol),表现优于阳性对照.
- 在分析中预测UA-1H没有抑制细胞染色体P450 2D6 (CYP2D6),这表明代谢有利.
结论:
- 乌尔索酸衍生物UA-1H在体外显示出显著的抗结核潜力.
- 在中有利的药理动力学特性支持对UA-1H的进一步研究.
- UA-1H 值得在体内进行评估,以评估其作为安全有效的抗结核剂的潜在发展.
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