Abstract
A new Cu(II) coordination polymer (CP) of [Cu5(µ3-OH)2(bcpt)4(bib)2] (1, bib = 1,4-bis(1-imidazoly)benzene and H2bcpt = 3,5-bis(3′-carboxyphenyl)-1,2,4-triazole) was synthesized by reaction of Cu(NO3)2·3H2O reacting with 3,5-bis(3′-carboxyphenyl)-1,2,4-triazole in the existence of 1,4-bis(1-imidazoly)benzene as the second ligand. The treatment activity of the compound on influenza A virus induced chronic obstructive pulmonary disease (COPD) was evaluated. First, the biological function of the lung was assessed by measuring the partial pressure for the carbon dioxide (PaCO2) and oxygen (PaO2) via the analysis of blood gas. Next, the inflammatory cytokines released by alveolar epithelial cells were determined via the ELISA test kit. In addition to this, the real-time RT-PCR was carried out to determine the inflammatory response relative expression in the alveolar epithelial cells. Finally, the relative expression of the TLR3 on the alveolar epithelial cells was revealed by western blot. Possible binding patterns were acquired from the post scoring software and molecular docking, which exhibited two possible functional side chain binding sites of TLR3 to compounds binding, possibly offering distinct regulatory mechanisms.
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