PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7907526-2 1994 Previous work has shown that direct microinjections of the alpha 2 agonist clonidine and of norepinephrine into the mPRF suppress the REM phase of sleep. Clonidine 75-84 Spi-C transcription factor (Spi-1/PU.1 related) Mus musculus 116-120