PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16527258-4 2006 While the levels of Neurensin-1 mRNA and protein in retinoic acid-exposed mouse neuroblastoma Neuro2a cells increased, those of Neurensin-2 mRNA and protein remained unchanged. Tretinoin 52-65 neurensin 1 Mus musculus 20-31