About the Authors

Sang-Hun Kang

Contributed equally to this work with: Sang-Hun Kang, Soo-Jin Jeong

Affiliation College of Oriental Medicine, Kyung Hee University, Seoul, South Korea

Soo-Jin Jeong

Contributed equally to this work with: Sang-Hun Kang, Soo-Jin Jeong

Affiliations College of Oriental Medicine, Kyung Hee University, Seoul, South Korea, Basic Herbal Research Group, Korea Institute of Oriental Medicine, Daejeon, South Korea

Sun-Hee Kim

Affiliation College of Oriental Medicine, Kyung Hee University, Seoul, South Korea

Ji-Hyun Kim

Affiliation College of Oriental Medicine, Kyung Hee University, Seoul, South Korea

Ji Hoon Jung

Affiliation College of Oriental Medicine, Kyung Hee University, Seoul, South Korea

Wonil Koh

Affiliation College of Oriental Medicine, Kyung Hee University, Seoul, South Korea

Jung Hyo Kim

Affiliation Chosun Nursing College, Kwangju, South Korea

Dae Keun Kim

Affiliation College of Pharmacy, Woosuk University, Wanju, South Korea

Chang-Yan Chen

Affiliation Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

Sung-Hoon Kim

sungkim7@khu.ac.kr

Affiliation College of Oriental Medicine, Kyung Hee University, Seoul, South Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: S. H. Kang SJJ Sung-Hoon Kim. Analyzed the data: S. H. Kang SJJ Jung Hyo Kim Sung-Hoon Kim. Wrote the paper: SJJ CYC Sung-Hoon Kim. Cell cycle analysis, TUNEL assay, Western blotting, siRNA transfection, and RT-PCR experiments: S. H. Kang Sun-Hee Kim JHJ. EMSA: WK. Cytotoxicity assay: Ji-Hyun Kim. Isolation of Icariside II: DKK.