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. 2009 Mar 16;24(8):1450–1460. doi: 10.1359/JBMR.090306

FIG. 4.

FIG. 4

1,25D-induced ATP release is vesicular. Values of ATP concentration (expressed in nM) measured in the extracellular bath 2 min after the addition of 10 nM 1,25D alone or in the presence of 1 mM NEM or 100 μM monensin (1 h before treatment) to SAOS-2 and ROS 17/2.8 cell cultures. Data shown are mean values ± SE obtained from n = 6–24 independent experiments. *p < 0.05; **p < 0.01.