Yang, Yan; Zhou, Zhen; Wei, Zu-Zhuang; Qin, Qi-Pin; Yang, Lin; Liang, Hong published an article about the compound: 8-Hydroxyquinoline 1-oxide( cas:1127-45-3,SMILESS:OC1=CC=CC2=CC=C[N+]([O-])=C12 ).Formula: C9H7NO2. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:1127-45-3) through the article.
In the quest for rare earth metal complexes with enhanced cancer chemotherapeutic properties, the discovery of seven lanthanide(III) complexes bearing 8-hydroxyquinoline-N-oxide (NQ) and 1,10-phenanthroline (phen) ligands as potential anticancer drugs is described. Complexes [SmIII(NQ)(phen)(H2O)Cl2] , [EuII(NQ)(phen)(H2O)Cl2] , [GdIII(NQ)(phen)(H2O)Cl2] , [DyIII(NQ)(phen)(H2O)Cl2] , [HoIII(NQ)(phen)(H2O)Cl2] , [ErIII(NQ)(phen)(H2O)Cl2] , and [YbIII(NQ)(phen)(H2O)Cl2] exhibit high antiproliferative activity against cisplatin-resistant A549/DDP cells (IC50 = 0.025-0.097 μM) and low toxicity to normal HL-7702 cells. Moreover, complex [SmIII(NQ)(phen)(H2O)Cl2], and to a lesser extent [YbIII(NQ)(phen)(H2O)Cl2], can upregulate the expression of LC3 and Beclin1 and downregulate p62 to induce apoptosis in cisplatin-resistant A549/DDP cell lines, which is related to the cell autophagy-inducing properties of [SmIII(NQ)(phen)(H2O)Cl2] and [YbIII(NQ)(phen)(H2O)Cl2]. Furthermore, in vivo assays suggest that [SmIII(NQ)(phen)(H2O)Cl2] significantly inhibits A549/DDP xenograft tumor growth (56.5%). These results indicate that lanthanide(III) complex [SmIII(NQ)(phen)(H2O)Cl2] is a promising candidate as an anticancer drug against cisplatin-resistant A549/DDP cells.
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Reference:
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider