PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28270521-9 2017 Further, retinal miR-21 levels were increased, while PPARalpha levels were decreased in oxygen-induced retinopathy (OIR). Oxygen 88-94 peroxisome proliferator activated receptor alpha Mus musculus 53-62