Vectorized ferrocenes with estrogens and vitamin D2: synthesis, cytotoxic activity and docking studies.

Vectorized ferrocenes with estrogens and vitamin D2: synthesis, cytotoxic activity and docking studies.
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含有雌激素和维生素 D2 的矢量化二茂铁:合成、细胞毒活性和对接研究。

DOI:
10.1039/c1dt10995b
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发表时间:
2011
期刊:
Dalton transactions (Cambridge, England : 2003)
影响因子:
--
通讯作者:
Meléndez,Enrique
Meléndez,Enrique
中科院分区:
--
文献类型:
--
作者:
Vera,José;Gao,LiMing;Santana,Alberto;Matta,Jaime;Meléndez,Enrique

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合成了三种以雌激素和维生素D2为载体的二茂铁配合物,并通过光谱、电化学和计算方法对其进行了表征。这些酯的合成是通过二茂铁酰氯与相应的ROH基团(R =麦角钙化醇,雌二醇,雌酮)反应完成的。体外研究了这些配合物对HT-29结肠癌和MCF-7乳腺癌细胞系的细胞毒性。只有二茂铁酰基17β-羟基雌甾-1,3,5(10)-三烯-3-醇酯在两种细胞系中显示出良好的细胞毒活性,超过了二茂铁鎓和二茂铁。在MCF-7中,二茂铁酰基17β-羟基-雌甾-1,3,5(10)-三烯-3-醇酯在低微摩尔范围内显示出显著的IC 50。这可能归因于雌二醇载体的存在。α-雌激素受体配体结合位点与二茂铁酰基17β-羟基-雌甾-1,3,5(10)-三烯-3-醇酯之间的对接研究揭示了一些关键的疏水相互作用,这可能解释了该酯的细胞毒性活性。
Three ferrocene complexes vectorized with estrogens and vitamin D2 were synthesized and fully characterized by spectroscopic, electrochemical and computational methods. The synthesis of these esters was accomplished by reacting ferrocenoyl chloride with the corresponding ROH groups (R = ergocalciferol, estradiol, estrone). The cytotoxicity of these complexes in HT-29 colon cancer and MCF-7 breast cancer cell lines was investigated in vitro. Only ferrocenoyl 17β-hydroxy-estra-1,3,5(10)-trien-3-olate showed good cytotoxic activity in both cell lines, exceeding those of ferrocenium and ferrocene. In MCF-7, ferrocenoyl 17β-hydroxy-estra-1,3,5(10)-trien-3-olate exhibited remarkable IC50, in the low micromolar range. This may be attributed to the presence of the estradiol vector. Docking studies between alpha-estrogen receptor ligand binding site and ferrocenoyl 17β-hydroxy-estra-1,3,5(10)-trien-3-olate revealed some key hydrophobic interactions that might explain the cytotoxic activity of this ester.
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