1. Department of Biochemistry and Molecular Biology; Heping District; Tianjin 300070 China
2. Tianjin Research Center of Basic Medical Sciences; Tianjin Medical University, Heping District; Tianjin 300070 China
3. Department of Pharmaceutical Engineering; Key Laboratory of Systems Bioengineering; Ministry of Education; School of Chemical Engineering and Technology; Tianjin University, Nankai District; Tianjin 300072 China
4. Department of Immunology; School of Basic Medical Sciences, Heping District; Tianjin 300070 China
5. Tianjin Key Laboratory of Medical Epigenetics; Heping District; Tianjin 300070 China
6. 2011 Collaborative Innovation Center of Tianjin for Medical Epigenetics, Heping District; Tianjin 300070 China