PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19525455-3 2009 METHODS: Human endothelial progenitor cells (HEPCs), derived from CD34+ mononuclear cells of umbilical cord blood, were retrovirally transduced with the sodium iodide symporter (NIS) gene for reporter gene imaging by (124)I-PET and labeled with iron oxides for visualization by MRI. Sodium Iodide 153-166 CD34 molecule Homo sapiens 66-70