A series of potential HDACIs containing diverse Zn^(2+)-chelating hydroxamate moieties were synthesized and evaluated for their anticancer activity in vitro on HeLa,A549,and HepG2 cell lines.The A549 cell line was the...A series of potential HDACIs containing diverse Zn^(2+)-chelating hydroxamate moieties were synthesized and evaluated for their anticancer activity in vitro on HeLa,A549,and HepG2 cell lines.The A549 cell line was the most sensitive,and the most active compound,e8,exhibited an IC_(50) value of 1.68μmol/L,surpassing the positive control,SAHA(IC_(50)=4.85μmol/L).Additionally,compound e8 demonstrated lower toxicity to normal WI-38 cells compared to SAHA(IC_(50)=415.93μmol/L vs.9.09μmol/L).Furthermore,e8 efficiently induced G0/G1 phase cell cycle arrest and apoptosis in A549 cells.Molecular docking studies showed that compound e8 coordinated the Zn^(2+) cation at the enzyme’s active site and formed hydrophobic and hydrogen bonds within the hydrophobic pocket of the enzyme,resulting in stable docking with the HDAC enzyme.These studies suggested that compound e8 has the potential to be developed as a promising lead for further optimization and development of HDACIs.展开更多
文摘A series of potential HDACIs containing diverse Zn^(2+)-chelating hydroxamate moieties were synthesized and evaluated for their anticancer activity in vitro on HeLa,A549,and HepG2 cell lines.The A549 cell line was the most sensitive,and the most active compound,e8,exhibited an IC_(50) value of 1.68μmol/L,surpassing the positive control,SAHA(IC_(50)=4.85μmol/L).Additionally,compound e8 demonstrated lower toxicity to normal WI-38 cells compared to SAHA(IC_(50)=415.93μmol/L vs.9.09μmol/L).Furthermore,e8 efficiently induced G0/G1 phase cell cycle arrest and apoptosis in A549 cells.Molecular docking studies showed that compound e8 coordinated the Zn^(2+) cation at the enzyme’s active site and formed hydrophobic and hydrogen bonds within the hydrophobic pocket of the enzyme,resulting in stable docking with the HDAC enzyme.These studies suggested that compound e8 has the potential to be developed as a promising lead for further optimization and development of HDACIs.