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. Author manuscript; available in PMC: 2014 Jul 28.
Published in final edited form as: Respir Physiol Neurobiol. 2013 May 31;188(2):83–93. doi: 10.1016/j.resp.2013.05.013

Fig. 3.

Fig. 3

Effect of different concentrations of HCO3−/CO2 on the levels of cAMP in the carotid body during 0–30 min of incubation in (A) the absence or (B) presence of adenylyl cyclases inhibitors. cAMP levels formed under 0 mM HCO3−/CO2 during the different incubation times (0–30) were subtracted from the cAMP levels accumulated under normocapnia or isohydric hypercapnia. 0% control was obtained by normalization with 0 mM HCO3/0%CO2 for each time point: 36.6 ± 8.9 fmol/μg protein, n = 4 at 0 min; 84.9 ± 19.5 fmol/μg protein, n = 6 at 5 min; 60.2 ± 10.8 fmol/μg protein, n = 4 at 15 min; 81.4 ± 10.2 fmol/μg protein, n = 6 at 30 min. Error bars indicate mean ± SEM.