About the Authors

Yi Sun

Affiliations Institute of Reproductive and Stem Cell Engineering, Central South University, Changsha, China, National Engineering and Research Center of Human Stem Cells, Changsha, China, Key Laboratory of Stem Cells and Reproductive Engineering, Ministry of Health, Changsha, China

Yixuan Yang

Affiliation Key Laboratory of Molecular Biology for Infectious Diseases of Ministry of Education of China, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China

Sicong Zeng

Affiliation Institute of Reproductive and Stem Cell Engineering, Central South University, Changsha, China

Yueqiu Tan

Affiliations Institute of Reproductive and Stem Cell Engineering, Central South University, Changsha, China, National Engineering and Research Center of Human Stem Cells, Changsha, China, Key Laboratory of Stem Cells and Reproductive Engineering, Ministry of Health, Changsha, China

Guangxiu Lu

linggf@hotmail.com (G. Lin); lugxdirector@aliyun.com (G. Lu)

Affiliations Institute of Reproductive and Stem Cell Engineering, Central South University, Changsha, China, National Engineering and Research Center of Human Stem Cells, Changsha, China

Ge Lin

linggf@hotmail.com (G. Lin); lugxdirector@aliyun.com (G. Lu)

Affiliations Institute of Reproductive and Stem Cell Engineering, Central South University, Changsha, China, National Engineering and Research Center of Human Stem Cells, Changsha, China, Key Laboratory of Stem Cells and Reproductive Engineering, Ministry of Health, Changsha, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: G. Lu G. Lin YS. Performed the experiments: YS YY SZ. Analyzed the data: YS YY YT. Contributed reagents/materials/analysis tools: G. Lu G. Lin YS. Wrote the paper: YS YY.