两种双醇多氨酸:它们的复合物的合成,表征和研究,探讨它们潜在的抗癌活性
Daniele Paderni1, Eleonora Macedi1, Enrica Sordini2
1Department of Pure and Applied Sciences, University of Urbino, via Ca' Le Suore 2-4, 61029 Urbino, Italy.
这项研究研究了双马聚氨酸,马尔和马尔托尼斯的 (Pd2+) 复合物. 自由马尔托尔的可用性对于它们的抗瘤活性至关重要,正如U937细胞系研究所证明的那样.
科学领域:
- 协调化学 协调化学
- 药用化学 医学化学
- 生物金属制品的使用
背景情况:
- 像马尔和马尔托尼斯这样的双马尔聚胺具有抗瘤和结合性质.
- (Pd2+) 复合物对其潜在的生物应用很有兴趣.
- 了解这些复合物的结构-活性关系对于药物开发至关重要.
研究的目的:
- 研究Pd2+复合体与马尔和马尔托尼斯的生物和金属受体特性.
- 为了确定马尔-Pd2+在水溶液中的稳定性和行为.
- 评估自由马尔托尔部分在这些复合物的抗瘤活性中的作用.
主要方法:
- 马尔-Pd2+和马尔托尼斯-Pd2+复合物的合成和表征.
- 进行X射线衍射以确认结构特征和金属离子结合.
- 紫外线和NMR光谱分析复杂的形成和稳定性在pH范围.
- 使用U937细胞系进行细胞活力测试,以评估抗瘤效应.
主要成果:
- 马尔-Pd2+复合体可以在其结构中封装像Sr2+这样的硬物种.
- 马尔-Pd2+很容易形成,在广泛的pH范围内在水溶液中稳定,并且至少一周不释放自由的Pd2+.
- 与马尔相比,马尔-Pd2+的抗瘤活性部分丧失,而马尔托尼斯-Pd2+的活性与马尔托尼斯相似.
结论:
- 马尔-Pd2+和马尔托尼斯-Pd2+的稳定性和结构完整性使它们适合生物测试.
- 这些复合物的抗瘤活性取决于自由马尔托尔部分的可用性.
- 马尔托尼斯-Pd2+保留了由于可访问的自由马尔托尔的生物活性,与马尔-Pd2+不同.
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