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Fig. 2. PKA induction of TTF1 transcriptional activity in PKA- and PKA+ cells. Increasing amounts of TTF1 cDNA plasmid were transiently cotransfected with TTF1-CAT reporter cDNA in the presence ({blacksquare}) or absence (•) of 2.5 µg of the C-PKA expression vector in A126 (A) or COS7 (B). Inset in A, CAT activity as function of C-PKA plasmid concentration in the presence of 0.2 µg of the TTF1 expression plasmid. The results represent means of four independent experiments and are expressed as a percentage of CAT enzymatic activity; bars, SD.





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HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Cancer Research Clinical Cancer Research
Cancer Epidemiology Biomarkers & Prevention Molecular Cancer Therapeutics
Molecular Cancer Research Cell Growth & Differentiation