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Article Publish Status: FREE
Abstract Title:

Ursolic Acid Induces Apoptotic Cell Death Through AIF and Endo G Release Through a Mitochondria-dependent Pathway in NCI-H292 Human Lung Cancer Cells.

Abstract Source:

In Vivo. 2019 Mar-Apr;33(2):383-391. PMID: 30804116

Abstract Author(s):

Chiung-Ju Chen, Yung-Luen Shih, Ming-Yang Yeh, Nien-Chieh Liao, Hsueh-Yu Chung, Ko-Lin Liu, Mei-Hui Lee, Pei-Yi Chou, Hsin-Yu Hou, Jiann-Shang Chou, Jing-Gung Chung

Article Affiliation:

Chiung-Ju Chen

Abstract:

BACKGROUND/AIM: Ursolic acid (UA), a triterpene compound present in natural plants, has been shown to induce cytotoxic effects on many human cancer cells through induction of cell-cycle arrest and apoptosis. This study investigated the effects of UA on human lung cancer NCI-H292 cells in vitro.

MATERIALS AND METHODS: Flow cytometric assay was used to measure the percentage of cell viability, apoptotic cell death by double staining of annexin V and propidium iodide (PI), production of reactive oxygen species (ROS) and Ca, and mitochondriaI membrane potential (Ψ). UA-induced chromatin condensation and DNA fragmentation were examined by 4',6-diamidino-2-phenylindole staining and DNA gel electrophoresis, respectively. Western blotting was used to examine the changes of apoptosis-associated protein expression in NCI-H292 cells.

RESULTS: UA reduced cell viability and induced apoptotic cell death. UA increased Caproduction, reducedΨ, but did not affect ROS production in NCI-H292 cells. UA increased apoptosis-inducing factor (AIF) and endonuclease G in NCI-H292 cells.

CONCLUSION: Based on these observations, we suggest UA induces apoptotic cell death via AIF and Endo G release through a mitochondria-dependent pathway in NCI-H292 cells.

Study Type : In Vitro Study

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