PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3149989-1 1988 The fluorescence properties of hematoporphyrin (Hp) and its derivative (HpD) were investigated in leukemia cells and in normal lymphocytes under a microscope, and the results were compared with those in solution. Hematoporphyrins 31-46 4-hydroxyphenylpyruvate dioxygenase Homo sapiens 72-75