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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Concanamycin B, a vacuolar H(+)-ATPase specific inhibitor suppresses bone resorption in vitro.

Effects of concanamycin B, a specific inhibitor of the vacuolar type H(+)-ATPase (V-ATPase), on the stimulation of bone resorption induced by parathyroid hormone ( PTH) were examined in vitro. Concanamycin B was found to inhibit PTH-stimulated osteoclastic pit formation and to suppress the acidification of vacuolar organelles by V-ATPase in the osteoclasts. PTH-stimulated 45Ca release from prelabelled chick embryonic calvariae was also inhibited by concanamycin B in a dose-dependent manner. These results suggest that osteoclastic acidification of lacunae by V-ATPase plays an essential role in mineral dissolution and degradation of the organic matrix during bone resorption.[1]

References

  1. Concanamycin B, a vacuolar H(+)-ATPase specific inhibitor suppresses bone resorption in vitro. Woo, J.T., Ohba, Y., Tagami, K., Sumitani, K., Yamaguchi, K., Tsuji, T. Biol. Pharm. Bull. (1996) [Pubmed]
 
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