PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19357704-4 2009 In agreement with the murine data, blockage of C3aR on human umbilical cord blood CD34(+) cells by C3aR antagonist SB290157 impairs their engraftment in non-obese diabetic/severe combined immunodeficient mice. SB 290157 115-123 CD34 molecule Homo sapiens 82-86