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Antiproliferation of Cryptocarya concinna-derived cryptocaryone against oral cancer cells involving apoptosis, oxidative stress, and DNA damage

Overview of attention for article published in BMC Complementary and Alternative Medicine, March 2016
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Title
Antiproliferation of Cryptocarya concinna-derived cryptocaryone against oral cancer cells involving apoptosis, oxidative stress, and DNA damage
Published in
BMC Complementary and Alternative Medicine, March 2016
DOI 10.1186/s12906-016-1073-5
Pubmed ID
Authors

Hsun-Shuo Chang, Jen-Yang Tang, Ching-Yu Yen, Hurng-Wern Huang, Chang-Yi Wu, Yi-An Chung, Hui-Ru Wang, Ih-Sheng Chen, Ming-Yii Huang, Hsueh-Wei Chang

Abstract

Cryptocarya-derived crude extracts and their compounds have been reported to have an antiproliferation effect on several types of cancers but their impact on oral cancer is less well understood. We examined the cell proliferation effect and mechanism of C. concinna-derived cryptocaryone (CPC) on oral cancer cells in terms of cell viability, apoptosis, reactive oxygen species (ROS), mitochondrial depolarization, and DNA damage. We found that CPC dose-responsively reduced cell viability of two types of oral cancer cells (Ca9-22 and CAL 27) in MTS assay. The CPC-induced dose-responsive apoptosis effects on Ca9-22 cells were confirmed by flow cytometry-based sub-G1 accumulation, annexin V staining, and pancaspase analyses. For oral cancer Ca9-22 cells, CPC also induced oxidative stress responses in terms of ROS generation and mitochondrial depolarization. Moreover, γH2AX flow cytometry showed DNA damage in CPC-treated Ca9-22 cells. CPC-induced cell responses in terms of cell viability, apoptosis, oxidative stress, and DNA damage were rescued by N-acetylcysteine pretreatment, suggesting that oxidative stress plays an important role in CPC-induced death of oral cancer cells. CPC is a potential ROS-mediated natural product for anti-oral cancer therapy.

Mendeley readers

The data shown below were compiled from readership statistics for 27 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 27 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 6 22%
Student > Bachelor 4 15%
Student > Doctoral Student 3 11%
Other 2 7%
Student > Ph. D. Student 2 7%
Other 5 19%
Unknown 5 19%
Readers by discipline Count As %
Chemistry 5 19%
Medicine and Dentistry 4 15%
Biochemistry, Genetics and Molecular Biology 2 7%
Agricultural and Biological Sciences 2 7%
Pharmacology, Toxicology and Pharmaceutical Science 2 7%
Other 6 22%
Unknown 6 22%