中文摘要：

Biographical note of the first author： Dan-Hui LIU, female, born in 1980, Ph. D. of Key Laboratory of Cell Proliferation and Regulation of Ministry of Education, Beijing Normal University, majoring in cell biology and proteomics; Xiao-Min WANG, male, born in 1982, graduate student of Key Laboratory of Cell Proliferation and Regulation of Ministry of Education, Beijing Normal University, majoring in cell biology and proteomics. Correspondence should be addressed to Dr Xue-Yuan XIAO, Beijing Normal University, Key Laboratory of Cell Proliferation and Regulation of Ministry of Education, 19 Xinjiekouwai St., Beijing 100875, China. Fax： 86-10-58805042. E-mail：xyxiao@bnu.edu.cn. Correspondence should be addressed to Dr. Da-Cheng HE , Beijing Normal University, Key Laboratory of Cell Proliferation and Regulation of Ministry of Education, 19 Xinjiekouwai St., Beijing 100875, China. Fax： 86-10-58805042. E-mail： dhe@bnu.edu.cn.