PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20528102-4 2010 After a 40% initial burst release, beta-TCP particles retained the majority of adsorbed Nell-1 protein in vitro. beta-tricalcium phosphate 35-43 neural EGFL like 1 Rattus norvegicus 88-94 20528102-5 2010 To test this system in vivo, L4/L5 spinal fusion was performed in three groups of rats (n = 8 each): (1) 5 microg Nell-1 in beta-TCP/demineralized bone matrix putty (DBX); (2) 2.5 microg Nell-1 in beta-TCP/DBX; (3) beta-TCP/DBX only. beta-tricalcium phosphate 124-132 neural EGFL like 1 Rattus norvegicus 114-120 20528102-8 2010 Our findings suggest that beta-TCP/DBX can increase both the biochemical stability and biological efficiency of Nell-1 protein. beta-tricalcium phosphate 26-34 neural EGFL like 1 Rattus norvegicus 112-118