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. 2003 Jun 1;31(11):2769–2777. doi: 10.1093/nar/gkg396

Figure 5.

Figure 5

PKNOX1-dependent trans-activation of the FABP7 promoter on cultured transfected SH-SY5Y cells. Luciferase/β-gal activity ratios are given in arbitrary units with respect to the wild-type promoter without added PKNOX1. The average values and the standard deviation are obtained after nine replicas for the wild-type promoter with or without co-expression of recombinant PKNOX1 and four replicas for the mutant deleted promoter with or without PKNOX1. Statistical significance was calculated by the Mann–Whitney test (*P < 0.05; **P < 0.005; ***P < 0.001; the first level above the histogram: statistical significance when comparing the values to the wild-type promoter without added PKNOX1; second level above the histogram: statistical significance when comparing to the mutant deleted promoter without added PKNOX1; third level above the histogram: statistical significance of the trans-activation differences between the wild-type and mutant promoters after addition of PKNOX1).