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. 2007 Apr 11;8:99. doi: 10.1186/1471-2164-8-99

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Copyright © 2007 van Deursen et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Transcriptional activity of the rat proximal HL promoter region in HepG2 and HeLa cells. HepG2 (hatched bars) and HeLa cells (open bars) were transiently transfected with the indicated promoter-reporter constructs. At 48 h post-transfection, transcriptional activity was determined as the ratio of CAT over β-galactosidase expression level. Data are expressed as percentage of the ratio measured in the rHL-39 CAT – transfected cells. Data are means ± SD from 3 independent experiments, each performed in triplicate. *,⁺: P < 0.05 compared to 100% in HepG2 and HeLa cells, respectively.