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LPTS-L fusion protein inhibits telomerase activity in hepatocellular carcinoma cell line SMMC-7721 by TRAP assay in vitro. 1. SMMC-7721 cell extract alone; 2. plus 10 µg GST protein; 3-6. plus 0.1, 0.5, 1, 5 µg GST-LPTS-L fusion protein and the lane 7 is cell extract plus RNase.
