作为选择性阻断阿尔多酶A的α-葡萄糖衍生物:计算机辅助结构优化和对HCC的影响
Qian-Han Xiao1, Ze-Zhi Li1, Li Ren1
1Shaanxi Key Laboratory of Natural Products & Chemical Biology, School of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, China.
硫酸阿尔法-D-葡萄糖,如SHDPS-4II,显示增强的结合阿尔多酶A (ALDOA). 这些改性化合物在体外和体内有效抑制肝细胞癌 (HCC) 细胞生长,提供了一个有前途的抗HCC策略.
科学领域:
- 生物化学 生物化学
- 在瘤学瘤学.
- 碳水化合物化学 碳水化合物化学
背景情况:
- 阿尔多酶A (ALDOA) 是肝细胞癌 (HCC) 增长的关键驱动因素,也是潜在的治疗点.
- 以前的α-D-葡萄糖衍生物显示ALDOA抑制,但缺乏足够的效力.
研究的目的:
- 为了优化α-D-葡萄糖衍生物以增强ALDOA抑制.
- 为了研究改性α-D-葡萄糖的抗HCC疗效.
主要方法:
- 分子对接被用来设计和优化α-D-葡萄糖衍生物.
- 研究了硫酸盐,碳氧化和氨基化修饰物.
- 微尺度热泳 (MST) 试验被用来确定结合亲缘关系 (Kd).
- 进行了体外和体内测试,以评估抗HCC效应.
主要成果:
- 在测试的衍生品中,硫酸盐修饰产生了对ALDOA的最高亲和力.
- 3-O硫化HDPS-4II (SHDPS-4II) 和1000Da硫化德克斯 (SDextran1) 呈现出强烈的ALDOA结合 (Kd=1.83微米和85.04微米,分别).
- 通过向ALDOA,SHDPS-4II和SDextran1在体外和体内显著抑制了HCC细胞的增殖.
结论:
- α-D-葡萄糖的硫化增强了它们对ALDOA的亲和力.
- 修改的硫酸α-D-葡萄糖显示出强大的抗HCC活性.
- 这些发现表明,针对ALDOA的HCC有望的治疗策略.
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