Calpain is required for normal osteoclast function and is down-regulated by calcitonin.
Authors:Marzia M, Chiusaroli R, Neff L, Kim NY, Chishti AH, Baron R, Horne WC
Journal:J Biol Chem
PubMed ID:16461769
'Osteoclast motility is thought to depend on rapid podosome assembly and disassembly. Both mu-calpain and m-calpain, which promote the formation and disassembly of focal adhesions, were observed in the podosome belt of osteoclasts. Calpain inhibitors disrupted the podosome belt, blocked the constitutive cleavage of the calpain substrates filamin A, talin, ... More