Abstract

AbstractA dysprosium(iii) organic framework, {[Dy(H2O)(BTCTB)]·2H2O}n (1, H3BTCTB = 3,3′,3′′-[1,3,5-benzenetriyltris(carbonylimino)]tris-benzoic acid), was synthesized through the hydrothermal reaction of Dy(NO3)3 with the C3-symmetric organic ligand H3BTCTB at 160°C for 96 h. At the same time, the sensitivity of picric acid in water medium was tested with material 1 as the fluorescent sensor. The detection limit was 0.71 µM and KSV of this experiment was 8.55 × 104 M−1, which might be attributed to the presence of abundant amide groups in the framework of 1. In addition, the treatment effect of compound 1 against the NCI-H292 lung cancer cells was evaluated. The Cell Counting Kit-8 (CCK-8) method was conducted to measure the viability of cancer cell after treated through the compound 1. The DCFH-DA was applied for the determination of ROS. The relative expression of the inflammatory genes was measured with RT-PCR. The western blotting was conducted to detect the effect of the compound against MDM-2 levels in NCI-H292 lung cancer cells. The possible binding interactions in terms of binding poses are probed by performing molecular docking simulations.

Highlights

  • A dysprosium(III) organic framework, {[Dy (H2O)(BTCTB)]·2H2O}n (1, H3BTCTB = 3,3′,3′′-[1,3,5-benzenetriyltris(carbonylimino)]tris-benzoic acid), was synthesized through the hydrothermal reaction of Dy (NO3)3 with the C3-symmetric organic ligand H3BTCTB at 160°C for 96 h

  • To perform the molecular docking simulation, the complex and the probe protein were prepared by AutoDockTools, after which the simulation was performed by AutoDock4

  • We have synthesized a Dy(III)–MOF by hydrothermal reaction of Dy(NO3)3 with the C3

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Summary

Introduction

The western blotting was conducted to detect the effect of the compound against MDM-2 levels in NCI-H292 lung cancer cells. There is a cell-level program to enhance the drug function This discovery makes it possible to replace cisplatin with tunable metal complexes as a new anticancer drug. A variety of MOFs have been combined with nitroaromatic hydrocarbons to produce luminous probes for the determination of picric acids (PAs) in water solutions [11,12,13,14] In these MOFs, those compounds based on lanthanide metal centers have become a new research object due to their unique characteristics of long emission life, high color purity, and a large displacement of stokes. The possible binding poses are studied in detail by using molecular docking simulations, which could provide evidence for the experimental hypothesis from the molecular level

Chemicals and measurements
Cell counting assay
Intracellular ROS measurement
Western blotting detection
Simulation details
Fluorescence behavior and selective detection of nitroaromatic compounds
Compound 1 inhibits the viability of NCIH292 lung cancer cells
Molecular docking
Conclusion
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