Table 1.

Aptamer inhibition of NIH3T3 cell proliferation^a.

Clone	IC50 (nM)b
F5f1	7.9 ± 0.3
F5f2	6.2 ± 1.7
F5f3	5.2 ± 0.2
F5f4	6.0 ± 2.4
F5f5	12.4 ± 0.2
F5f6	5.7 ± 0.2
F5f7	27.8 ± 0.1
F5f1_56	6.8 ± 0.8
F5f3_56	8.2 ± 1.4

^aThe data of the cell proliferation assay are shown in Fig. 2.

^bIC₅₀ is represented by the mean ± standard error from three independent measurements.