Rat osteoclasts adhere to a wide range of RGD (Arg-Gly-Asp) peptide-containing proteins, including the bone sialoproteins and fibronectin, via a beta 3 integrin. - Helfrich,M.H.; Nessbitt,S.A.; Dorey,E.L.; Horton,M.A. (J Bone Miner Res, 1992)