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J Inorg Biochem ; 251: 112438, 2024 02.
Artículo en Inglés | MEDLINE | ID: mdl-38029536

RESUMEN

Cancer continues to pose a global threat, underscoring the urgent need for more effective and safer treatment options. Gold-based compounds have recently emerged as promising candidates due to their diverse range of biological activities. In this study, three gold(III) complexes derived from thiosemicarbazone ligands have been synthesized, fully characterized, including their X-ray crystal structures. We conducted initial mode-of-action studies on DNA and BSA, followed by a comprehensive investigation into the cytotoxic effects of these novel gold(III) complexes on lung cancer cells (A549, H2052, and H28). The results demonstrated a concentration-dependent cytotoxic response, with H28 cells exhibiting the highest sensitivity to the treatment. Furthermore, the analysis of the cell cycle revealed that these compounds induce cell cycle arrest and promote apoptosis as a response to treatment. We also observed distinct morphological changes and increased oxidative stress, contributing significantly to cell death. Notably, these complexes exhibited the ability to suppress interleukin-6 production in mesothelioma cell lines, and this highlights their anti-inflammatory potential. To gain an initial understanding of cytotoxicity on healthy cells, hemolysis tests were conducted against human blood cells, with no evidence of hemolysis. Furthermore, a toxicity assessment through the in vivo Galleria mellonella model underscored the absence of detectable toxicity. These findings prove that these complexes are promising novel therapeutic agents for lung cancer.


Asunto(s)
Antineoplásicos , Complejos de Coordinación , Neoplasias Pulmonares , Tiosemicarbazonas , Humanos , Oro/química , Neoplasias Pulmonares/tratamiento farmacológico , Tiosemicarbazonas/farmacología , Tiosemicarbazonas/química , Hemólisis , Antineoplásicos/farmacología , Antineoplásicos/química , Ligandos , Complejos de Coordinación/farmacología , Complejos de Coordinación/química , Línea Celular Tumoral
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