PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11950144-6 2001 Since hypoxia induces HIF in other tissues, systemic hypoxia (6% O2 for 4.5 h) was also shown to increase HIF-1alpha protein expression in the adult rat brain. Oxygen 65-67 hypoxia inducible factor 1 subunit alpha Rattus norvegicus 106-116