The cell number of hEF-hTERT in S and G2/M phase and its proliferation index (57.47%) increased when compared with that in hEF-EGFP (13.13%) and hEF (17.38%), but there was no difference between hEF and hEF-EGFP.

• 其PI为5747%25；高于hEFEGFP(13.；13%25)和hEF(17