[1] Peking Univ, Beijing 100871, Peoples R China
[2] Peking Univ, Hosp 3, Beijing 100871, Peoples R China
[3] Minist Hlth, Key Lab Cardiovasc Mol Biol & Regulatory Peptides, Beijing, Peoples R China
[4] Inst Biotechnol & Genet Lab Dev & Dis, State Key Lab Prote, Beijing, Peoples R China
[5] Univ Calif San Diego, Dept Pathol, Sch Med, San Diego, CA 92103 USA