ba0001pp225 | Cell biology: osteoclasts and bone resorption | ECTS2013
Fredrik Stralberg
, Lindholm Catharina
, Lindstrom Erik
, Kasprzykowski Franciszek
, Saftig Paul
, Abrahamson Magnus
, Grubb Anders
, Lerner Ulf H
RANKL induced osteoclastogenesis is mediated by several transcription factors such as NF-κB, AP-1 and Nfatc1. We have found that also cysteine proteinases are involved in the signaling pathway downstream RANK. Thus, cystatin C, Z-RLVG-CHN2 (the sequence of which is based upon one of the enzyme inhibitory domains in cystatin C) and the fungal molecule E-64 inhibit RANKL induced mouse and human osteoclast formation in vitro (Strålberg et ...