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. Author manuscript; available in PMC: 2010 Aug 16.
Published in final edited form as: J Control Release. 2008 Apr 23;129(2):117–123. doi: 10.1016/j.jconrel.2008.04.012

Fig. 4.

Fig. 4

(a) WST-1 cell proliferation assay for NIH 3T3 cells treated with cKH-FGF2 and native FGF2. Cells were treated with various concentrations ranging from 0 (control) to 50 ng/ml and the absorbance of soluble form azan was measured at 440 nm (*t-test, two-tailed, p<0.05). (b) WST-1 cell toxicity assay for NIH 3T3 cells treated with various concentrations of cKH-FGF2 or cKH-FGF2/pEGFP (equivalent of 0 to 80 μg/ml vector). In the tested range, no toxicity was observed with the vector (t-test, two-tailed, p<0.05).