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Fig. 5 | BMC Molecular and Cell Biology

Fig. 5

From: Klotho is regulated by transcription factor Sp1 in renal tubular epithelial cells

Fig. 5

Sp1 binds to the human Klotho gene (KL) promoter. (a) HEK-293 cells were co-transfected with Full KL/LUC reporter and pcDNA3 or pcDNA3-Sp1 plasmid. 24 h after transfection, cells were lysed and transcriptional activity was detected by dual-luciferase assays. (b) Cells were transfected with full length or truncated reporter, combined with pcDNA3 or pcDNA3-Sp1 plasmid. 24 h after transfection, HEK-293 cells were lysed and transcriptional activity was detected. (c) HEK-293 cells were transfected with KL5/LUC or mutated KL5/LUC reporter, and transcriptional activity was detected as before. As an internal control, Rinella (pRL-TK) was used to normalize the transfection efficiency. Mean ± SD of triplicate experiments performed independently. ***p < 0.001. NS, statistically nonsignificant

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