PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12673348-0 2003 Effects of protoporphyrins on production of nitric oxide and expression of vascular endothelial growth factor in vascular smooth muscle cells and macrophages. Protoporphyrins 11-26 vascular endothelial growth factor A Mus musculus 75-109 12673348-7 2003 The inhibitory potentials of both protoporphyrins on VEGF synthesis were very similar. Protoporphyrins 34-49 vascular endothelial growth factor A Mus musculus 53-57