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Effect of GATA4 mutations on ANP promoter activation in NIH3T3 cells.

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posted on 07.12.2015, 07:37 authored by Sini Kinnunen, Mika Välimäki, Marja Tölli, Gerd Wohlfahrt, Rami Darwich, Hiba Komati, Mona Nemer, Heikki Ruskoaho

The -699bp ANP promoter was utilized to study the transcriptional activity of the GATA4 mutants on a validated GATA4 target gene. (A) Promoter activation by the indicated GATA4 proteins; activation by wtGATA4 is set at 1. (B) Effect of mutated GATA4 on synergy with NKX2-5 and (C) on synergy with KLF13. The data shown are from two independent experiments conducted in duplicate using five different DNA concentrations. Results (mean±SEM) are expressed as fold-changes compared to the control groups wtGATA4 in (A), wtGATA4-NKX2-5 in (B), and wtGATA4-KLF13 in (C). * P<0.05, ** P<0.01 and *** P<0.001 vs. control group with Student's t-test.

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