New cyclometalated iridium(III) complexes bearing substituted 2-(1H-benzimidazol-2-yl)quinoline: Synthesis, characterization, electrochemical and anticancer studies.
Bioorg Chem
; 151: 107706, 2024 Oct.
Article
en En
| MEDLINE
| ID: mdl-39128244
ABSTRACT
New iridium(III) compounds (C1-C3) bearing 2-(1H-benzimidazol-2-yl)quinoline ligands with different side groups (benzyl, 2,3,4,5,6-pentamethylbenzyl and 2,3,4,5,6-pentafluorobenzyl) were synthesized and characterized by using spectroscopic analyses. The effects of different side groups of iridium compounds on the photophysical and electrochemical properties have been investigated. The cytotoxicity and apoptosis of the compounds have been evaluated on breast cancer cell lines using various methods including MTT assay, flow cytometry, qRT-PCR, and colony formation. The cytotoxicity of C1, expressed as IC50 values, was found to be 11.76 µM for MDA-MB-231 and 5.35 µM for MCF-7 cells. For C3, the IC50 value was 16.22 µM for MDA-MB-231 and 8.85 µM for MCF-7 cells. In both cell lines, increased levels of Bax and caspase 3, along with downregulation of BCL-2 and positive annexin V staining, were observed, confirming apoptosis. Moreover, the colony-forming abilities in both cell lines decreased after C1 and C3 complex treatment. All these results suggest that the compounds C1 and C3 may have potential in the treatment of breast cancer, though further research is needed to confirm their efficacy.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Quinolinas
/
Ensayos de Selección de Medicamentos Antitumorales
/
Apoptosis
/
Complejos de Coordinación
/
Iridio
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Antineoplásicos
Límite:
Humans
Idioma:
En
Revista:
Bioorg Chem
Año:
2024
Tipo del documento:
Article
Pais de publicación:
Estados Unidos