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Article

Inhibitory Effects of Osthole on Human Breast Cancer Cell Progression via Induction of Cell Cycle Arrest, Mitochondrial Dysfunction, and ER Stress

by 1,†, 1,†, 1,* and 2,*
1
Department of Biotechnology, Korea University, Seoul 02841, Korea
2
Department of Food and Nutrition, Kookmin University, Seoul 02707, Korea
*
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Nutrients 2019, 11(11), 2777; https://doi.org/10.3390/nu11112777
Received: 5 August 2019 / Revised: 10 October 2019 / Accepted: 11 October 2019 / Published: 15 November 2019
Background: Breast cancer is the most commonly diagnosed cancer and the second leading cause of cancer death in women. Although, recently, the number of pathological studies of breast cancer have increased, it is necessary to identify a novel compound that targets multiple signaling pathways involved in breast cancer. Methods: The effects of osthole on cell viability, apoptosis, mitochondria-mediated apoptosis, production of reactive oxygen species (ROS), and endoplasmic reticulum (ER) stress proteins of BT-474 and MCF-7 breast cancer cell lines were investigated. Signal transduction pathways in both cells in response to osthole were determined by western blot analyses. Results: Here, we demonstrated that osthole inhibited cellular proliferation and induced cell cycle arrest through modulation of cell cycle regulatory genes in BT-474 and MCF-7 cells. Additionally, osthole induced loss of mitochondrial membrane potential (MMP), intracellular calcium imbalance, and ER stress. Moreover, osthole induced apoptosis by activating the pro-apoptotic protein, Bax, in both cell lines. Osthole regulated phosphorylation of signaling proteins such as Akt and ERK1/2 in human breast cancer cells. Furthermore, osthole-induced activation of JNK protein-mediated apoptosis in both cell lines. Conclusions: Collectively, the results of the present study indicated that osthole may ameliorate breast cancer and can be a promising therapeutic agent for treatment of breast cancer. View Full-Text
Keywords: breast cancer; osthole; apoptosis; MMP depolarization; calcium imbalance; ER stress breast cancer; osthole; apoptosis; MMP depolarization; calcium imbalance; ER stress
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MDPI and ACS Style

Park, W.; Park, S.; Song, G.; Lim, W. Inhibitory Effects of Osthole on Human Breast Cancer Cell Progression via Induction of Cell Cycle Arrest, Mitochondrial Dysfunction, and ER Stress. Nutrients 2019, 11, 2777. https://doi.org/10.3390/nu11112777

AMA Style

Park W, Park S, Song G, Lim W. Inhibitory Effects of Osthole on Human Breast Cancer Cell Progression via Induction of Cell Cycle Arrest, Mitochondrial Dysfunction, and ER Stress. Nutrients. 2019; 11(11):2777. https://doi.org/10.3390/nu11112777

Chicago/Turabian Style

Park, Wonhyoung; Park, Sunwoo; Song, Gwonhwa; Lim, Whasun. 2019. "Inhibitory Effects of Osthole on Human Breast Cancer Cell Progression via Induction of Cell Cycle Arrest, Mitochondrial Dysfunction, and ER Stress" Nutrients 11, no. 11: 2777. https://doi.org/10.3390/nu11112777

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