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Abstract Title:

Cardamonin Induces Cell Cycle Arrest, Apoptosis and Alters Apoptosis Associated Gene Expression in WEHI-3 Mouse Leukemia Cells.

Abstract Source:

Am J Chin Med. 2019 ;47(3):635-656. Epub 2019 Apr 25. PMID: 31023073

Abstract Author(s):

Nien-Chieh Liao, Yung-Luen Shih, Jiann-Shang Chou, Kuo-Wei Chen, Yung-Liang Chen, Mei-Hui Lee, Shu-Fen Peng, Sy-Jye Leu, Jing-Gung Chung

Article Affiliation:

Nien-Chieh Liao

Abstract:

Cardamonin, the chalcone class, is one of the natural components from the spicy herbaceous plant (Griff) and has anticancer activities in many human cancer cell lines. There is, however, no information to show that cardamonin induces cell apoptosis and alters apoptosis associated gene expressions in mouse leukemia cells. Thus, we investigated the effects of cardamonin on the apoptotic cell death and associated gene expression in mouse leukemia WEHI-3 cells. Results indicated that cardamonin decreased total viable cell numberinduced cell morphological changes and apoptotic cell death in WEHI-3 cells that were assay by contrast-phase microscopy and flow cytometry examinations, respectively. The flow cytometry assay indicated that cardamonin increased reactive oxygen species (ROS) and Caproduction, decreased the levels of mitochondrial membrane potential (and increased caspase-3, -8 and -9 activities in WEHI-3 cells. Western blotting was performed to analyze expression of relevant pro- and anti-apoptotic proteins and results showed that cardamonin decreased anti-apoptotic protein of Bcl-2 but increased pro-apoptotic protein of Bax in WEHI-3 cells. Furthermore, cardamonin increased cytochrome c, AIF and Endo G release, increased GRP78, caspase-12 that were associated with ER stress and increased Fas, Fas-Ligand and FADD expression. Furthermore, cardamonin increased the gene expressions of(death-associated protein),transmembrane (BAX inhibitor motif containing 4),(autophagy related 5) but decreased the gene expression of(DNA-damage inducible transcript 3),(DNA-damage-inducible transcript 4),(BCL2-associated athanogene 6),[BCL2-like 13 (apoptosis facilitator)] and(BRCA1-associated ATM activator 1) that are associated with apoptosis pathways. Based on those findings, we may suggest cardamonin induced apoptotic cell death through Fas and Fas-Ligand-, caspase- and mitochondria-dependently pathways and also affects the apoptotic gene expression in WEHI-3 cells.

Study Type : In Vitro Study

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Sayer Ji
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