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Figure 5 A, Representative immunoprecipitation assay showing the amount of radioactivity incorporated into Cx43 during a 2-h interval of metabolic labeling in control cultures or in cultures treated with angiotensin II (A-II) for 6 or 24 h, angiotensin plus losartan (A-II + Los) for 24 h, or dibutyryl cAMP (db-cAMP) for 6 or 24 h. B, Densitometric quantification of signal intensity in immunoprecipitation studies of control cultures or cultures treated with angiotensin II (A-II) (n = 4 for each), angiotensin II plus losartan (A-II + Los) (n = 4) or dibutyryl cAMP (db-cAMP) (n = 2). Values (means ± SD) have been normalized to control values in each experiment. Asterisks indicate p < 0.03.
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