Issue 21, 2024

Modulating anti-inflammatory and anticancer properties by designing a family of metal-complexes based on 5-nitropicolinic acid

Abstract

A new family of six complexes based on 5-nitropicolinic acid (5-npic) and transition metals has been obtained: [M(5-npic)2]n (MII = Mn (1) and Cd (2)), [Cu(5-npic)2]n (3), and [M(5-npic)2(H2O)2] (MII = Co (4), Ni (5), and Zn (6)), which display 1D, 2D, and mononuclear structures, respectively, thanks to different coordination modes of 5-npic. After their physicochemical characterization by single-crystal X-ray diffraction (SCXRD), elemental analyses (EA), and spectroscopic techniques, quantum chemical calculations using Time-Dependent Density Functional Theory (TD-DFT) were performed to further study the luminescence properties of compounds 2 and 6. The potential anticancer activity of all complexes was tested against three tumor cell lines, B16-F10, HT29, and HepG2, which are models widely used for studying melanoma, colon cancer, and liver cancer, respectively. The best results were found for compounds 2 and 4 against B16-F10 (IC50 = 26.94 and 45.10 μg mL−1, respectively). In addition, anti-inflammatory studies using RAW 264.7 cells exhibited promising activity for 2, 3, and 6 (IC50 NO = 5.38, 24.10, and 17.63 μg mL−1, respectively). This multidisciplinary study points to complex 2, based on CdII, as a promising anticancer and anti-inflammatory material.

Graphical abstract: Modulating anti-inflammatory and anticancer properties by designing a family of metal-complexes based on 5-nitropicolinic acid

Supplementary files

Article information

Article type
Paper
Submitted
29 Jan 2024
Accepted
03 Apr 2024
First published
26 Apr 2024
This article is Open Access
Creative Commons BY-NC license

Dalton Trans., 2024,53, 8988-9000

Modulating anti-inflammatory and anticancer properties by designing a family of metal-complexes based on 5-nitropicolinic acid

A. García-García, M. Medina-O'donnell, S. Rojas, M. Cano-Morenilla, J. Morales, M. M. Quesada-Moreno, J. Sainz, I. J. Vitorica-Yrezabal, A. Rodríguez-Diéguez, A. Navarro and F. J. Reyes-Zurita, Dalton Trans., 2024, 53, 8988 DOI: 10.1039/D4DT00265B

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