[1]School of Medicine Nankai University Tianjin 300071 China;
[2]Key Laboratory of Bioactive Materials Ministry of Education College of Life Sciences Nankai University Tianjin 300071 China;
[3]College of Life Sciences Nankai University Tianjin 300071 China;
[4]State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University Tianjin 300350 China;
[5]State Key Laboratory of Kidney Diseases Beijing 100853 China;
[6]Department of Oncology-Pathology Karolinska Institutet Karolinska University Hospital CCK Stockholm SE-17176 Sweden;
[7]State Key Lab of Experimental Hematology Institute of Hematology &Hospital of Blood Diseases Chinese Academy of Medical Sciences Tianjin 300020 China;
embryonic stem cells; naive state; primed state; methylation; Dppa3;