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Two chiral alkanolamine Schiff base Cu(ii) complexes as potential anticancer agents: synthesis, structure, DNA/protein interactions, and cytotoxic activity

机译:两种手性链烷醇胺席夫基铜(II)复合物作为潜在的抗癌剂:合成,结构,DNA /蛋白质相互作用和细胞毒性活性

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Two Schiff base copper( II ) complexes, [Cu( R -L) (CH _(3) OH)] _(8) ( 1 ) and [Cu( S -L) (CH _(3) OH)] _(4) ( 2 ) {[ R / S -H _(2) L = R / S -3-phenyl-2-(2-hydroxy-5-chlorobenzylideneamino)propane-1-ol]}, have been successfully achieved and fully characterized by single-crystal X-ray diffraction (SXRD), mass spectrometry (MS), Fourier transform infrared spectroscopy (FT-IR), and elemental analysis (EA). The interactions of complexes 1 and 2 with calf thymus DNA (CT-DNA) and bovine serum albumin (BSA) have been comprehensively investigated using various electronic absorption spectroscopies. The thermal denaturation, viscosity, and UV-Vis spectra data suggested non-intercalative binding between DNA and the complexes. Additionally, an in vitro cytotoxicity test on the two complexes towards four types of human cancerous cell lines (HL-60, Caco-2, A549, and HeLa) indicated that the two complexes exhibited substantial cytotoxic activity. Especially, complex 2 exhibited excellent data, with IC _(50) = 10.97 ± 1.22 against HL-60 cells, which indicated that the two chiral complexes play significant roles in the cytotoxicity and interactions with DNA and BSA.
机译:两个席夫基铜(II)配合物,[Cu(R-1)(CH _(3)OH)] _(8)(1)和[Cu(S -L)(CH _(3)OH)] _ (4)(2)([r / s-h _(2)l = r / s -3-苯基-2-(2-羟基-5-氯苄基氨基)丙烷-1-ol]}已成功实现并充分以单晶X射线衍射(SXRD),质谱(MS),傅里叶变换红外光谱(FT-IR)和元素分析(EA)的特征。通过各种电子吸收光谱全面研究了复合物1和2与小牛胸腺DNA(CT-DNA)和牛血清白蛋白(BSA)的相互作用。热变性,粘度和UV-Vis谱数据建议DNA和复合物之间的非间隔性结合。另外,两种络合物上的体外细胞毒性试验朝向四种类型的人类癌细胞系(HL-60,Caco-2,A549和HeLa)表明,两种络合物表现出大量细胞毒性活性。特别是,复合物2表现出优异的数据,IC _(50)= 10.97±1.22针对HL-60细胞,这表明两种手性复合物在细胞毒性和与DNA和BSA的相互作用中起显着作用。

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