Gold(I) N-heterocyclic carbene complexes show strong proapoptotic, antioxidant and anti-inflammatory effects in A2780 and endothelial cells

. 2025 Feb 25 ; 408 () : 111381. [epub] 20250116

Jazyk angličtina Země Irsko Médium print-electronic

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/pmid39824433
Odkazy

PubMed 39824433
DOI 10.1016/j.cbi.2025.111381
PII: S0009-2797(25)00011-0
Knihovny.cz E-zdroje

A series of eight gold(I) N-heterocyclic carbene (NHC) complexes [Au(IMes)(Ln)] based on 1,3-bis(2,4,6-trimethylphenyl)imidazole-2-ylidene (IMes) and 7-azaindole derivatives (HLn), where n = 1-8 for HL1 = 5-fluoro-7-azaindole, HL2 = 5-bromo-7-azaindole, HL3 = 3-chloro-7-azaindole, HL4 = 3-iodo-7-azaindole, HL5 = 5-bromo-3-chloro-7-azaindole, HL6 = 5-bromo-3-iodo-7-azaindole, HL7 = 4-chloro-2-methyl-7-azaindole and HL8 = 7-azaindole, was prepared, characterised and studied for their in vitro anti-cancer and anti-inflammatory effects. The complexes showed significant cytotoxicity on human ovarian cancer cell lines (A2780, IC50 ≈ 8-19 μM and A2780R, IC50 ≈ 8-19 μM) and lowered toxicity in normal HaCat and MRC-5 cells. Cellular effects of the selected complexes 1 and 7 were evaluated in A2780 cells using flow cytometry. Moreover, the time-dependent cellular uptake in A2780 cells, a shotgun proteomic analysis, an ESI-MS study of hydrolysis and interactions with l-cysteine and reduced glutathione (GSH) were performed. Complexes 1 and 7 revealed remarkable anti-inflammatory effects via inhibition of NF-κB activity in human endothelial cells.

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