About the Authors

Bi-Qin Lai

Affiliation Key Laboratory for Stem Cells and Tissue Engineering (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, China

Xue-Chen Qiu

Affiliation Key Laboratory for Stem Cells and Tissue Engineering (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, China

Ke Zhang

Affiliation Department of Histology and Embryology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China

Rong-Yi Zhang

Affiliation Department of Histology and Embryology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China

Hui Jin

Affiliation Key Laboratory for Stem Cells and Tissue Engineering (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, China

Ge Li

Affiliation Key Laboratory for Stem Cells and Tissue Engineering (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, China

Hui-Yong Shen

Affiliations Institute of Spinal Cord Injury, Sun Yat-sen University, Guangzhou, 510120, China, Department of Orthopedics of Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, 510120, China

Jin-Lang Wu

Affiliation Department of Electron Microscope, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China

Eng-Ang Ling

Affiliation Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore

Yuan-Shan Zeng

zengysh@mail.sysu.edu.cn

Affiliations Key Laboratory for Stem Cells and Tissue Engineering (Sun Yat-sen University), Ministry of Education, Guangzhou, 510080, China, Department of Histology and Embryology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China, Institute of Spinal Cord Injury, Sun Yat-sen University, Guangzhou, 510120, China, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, 226001, China, Guangdong Provincial Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YSZ BQL. Performed the experiments: BQL XCQ KZ RYZ HJ GL. Analyzed the data: BQL YSZ EAL. Contributed reagents/materials/analysis tools: BQL JLW HYS. Wrote the paper: BQL YSZ EAL.