. . "Furthermore, there is a report demon-strating the ultracytochemical localization of a Ca-ATPaseactivity in hSCT showing strong ATPase activity in MVMand a weak activity in BM [37], which is in agreement withthe biochemical data (Table 3) and the Western blot analyses(Fig. 4) shown in the current study.Our results lead us to propose a new model for the transportof calcium across the hSCT, consideri" . .