葛西他 - 库马林 - 生物联体:一种向特异性治疗性抗癌前药物
Sukhendu Maiti1, Nayoung Park, Ji Hye Han
1Department of Chemistry, Korea University, Seoul, 136-701, Korea.
Journal of the American Chemical Society
|March 7, 2013
概括
这项研究引入了一种新的gemcitabine-coumarin-biotin结合剂,用于癌症治疗. 这种结合物释放活性药物凝胺 (GMC),并增强光对瘤细胞的反应.
科学领域:
- 生物结合化学 生物结合化学
- 分子成像学分子成像学
- 药物输送系统 药物输送系统
背景情况:
- 癌细胞表现出高水平的自由硫醇.
- 有针对性的药物输送和实时监测对于有效的癌症治疗至关重要.
- 吉姆西塔 (GMC) 是一种广泛使用的化疗药物.
研究的目的:
- 设计和合成用于向癌症治疗和诊断的多功能合物.
- 为了评估药物释放,光反应和结合物的细胞吸收.
- 为了研究细胞内定位和作用机制.
主要方法:
- 合成和光谱学表征gemcitabine-coumarin-biotin结合物的合成和光谱学表征.
- 在体外生物评估,包括细胞吸收研究 (聚焦显微镜) 和同位测定.
- 评估醇诱导的药物释放和光增强.
主要成果:
- 与WI38细胞相比,合物 (5) 在A549癌细胞中表现出优越的吸收.
- 醇诱导的二硫化键裂解导致了美 (GMC) 的释放和光的增加.
- 局部化研究表明溶酶体的吸收和分裂,可能是通过受体介导的内细胞分裂.
结论:
- 开发出来的gemcitabine-coumarin-biotin结合剂可以作为癌症治疗的治疗药物.
- 它可以同时提供治疗药物,并监测细胞下水平的药物吸收.
- 该系统为先进的癌症成像和治疗提供了一个有前途的方法.
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