PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12705902-2 2003 In this study, a two-plasmid tetracycline-inducible system was used to regulate expression of human proinsulin (hppI1) and a mutated proinsulin construct (hppI4, allowing cleavage by furin) in primary rat soleus myoblasts. Tetracycline 29-41 furin, paired basic amino acid cleaving enzyme Homo sapiens 183-188