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. 2017 May 3;6(6):627–632. doi: 10.3892/br.2017.905

Figure 1.

Figure 1.

Identification of the ALB promoter sequence with highest transcriptional activity. (A) Map of the pDRIVE-SV40-Albp-LacZ plasmid. The LacZ gene, encoding β-galactosidase, is marked in blue. The region in yellow is the insertion site for the human albumin (ALB) promoter fragment 1, 2, and 3. (B) X-gal staining of Hepa1-6 cells transfected with pDRIVE-SV40-Albp-LacZ. (C) The transcriptional levels of the ALB promoter were assessed by manually counting blue stained cells, aided by the use of Image-pro Plus version. Scale bar, 100 µm.