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. 2018 Oct 11;8:15156. doi: 10.1038/s41598-018-33509-5

Figure 3.

Figure 3

Developmental change in the cell type-specificity and reporter expression efficacy of the three different lentiviral promoters. (a) The ratio of TagRFP-positive populations within GABAergic neurons obtained using the synapsin I, α-CaMKII and 2.1 kb VGLUT1 promoters at three different stages in culture. There were no significant changes in any of the groups that were tested. (b) The percentage of TagRFP-expressing neurons in the glutamatergic (i.e., Venus-negative) population obtained using the synapsin I, α-CaMKII and 2.1 kb VGLUT1 promoters at three different stages in culture. The reporter expression efficacy of the VGLUT1 promoter significantly increased by the middle of the third week in vitro (*p < 0.05, One-way ANOVA followed by Bonferroni’s test).