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  • Title: Indolyl-chalcone derivatives induce hepatocellular carcinoma cells apoptosis through oxidative stress related mitochondrial pathway in vitro and in vivo.
    Author: Zhang X, Wang M, Teng S, Wang D, Li X, Wang X, Liao W, Wang D.
    Journal: Chem Biol Interact; 2018 Sep 25; 293():61-69. PubMed ID: 30055129.
    Abstract:
    A facile method of assembling oxindole and phthalide units through a Lewis based catalyzed allylic alkylation reaction of Morita-Baylis-Hillman carbonates of isatins and 3-cyanophthalides was recently developed. The method efficiently delivers a hybrid of 3,3'-disubstituted oxindole with a valuable phthalide pharmacophore. In the present study, we proved the deleterious effects of 5h2c, a screened synthesis compound, against hepatocellular carcinoma (HCC) in both in vitro and in vivo models. 5h2c strongly decreased cell viability, caused over-release of lactate dehydrogenase, inhibited cell migration, and enhanced the apoptosis rate in HepG2 and PLC/PRF/5 cells. 5h2c led to an increase in intracellular reactive oxygen species levels and a decrease in mitochondrial membrane potential. In HepG2-and PLC/PRF/5-xenograft tumor mouse models, treatment with 5h2c inhibited tumor growth without affecting the animals' bodyweight or organ functions. Proteome profiling of tumor tissues after 24-h exposure to 5h2c showed significantly enhanced expression levels of Bcl-2 associated X protein, cleaved caspase -3, -8, and -9, nuclear factor erythroid 2-related factor 2 (Nrf2), heme oxygenase-1 (HO-1), heme oxygenase-2, paraoxonase 2, catalase, and factor associated suicide ligand, and reduced the expression levels of B-cell lymphoma-2, B-cell lymphoma-extra large, heat shock protein 27, heat shock protein 60, and heat shock protein 70 in HepG2 and PLC/PRF/5 cells. All of our data confirmed that oxidative stress-mediated mitochondrial apoptosis (especially the Nrf-2/HO-1 pathway) is responsible for 5h2c-induced HCC damage.
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