PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11118487-1 2000 We have investigated adrenal mRNA expression of the catecholamine synthetic enzymes tyrosine hydroxylase (TH) and phenylethanolamine N-methyltransferase (PNMT) following acute hypoxia in fetal sheep before (< 105 days gestation, n = 20) and after (> 125 days gestation, n = 20) the development of adrenal innervation and following pretreatment with the nicotinic receptor anatgonist hexamethonium (n = 12). Catecholamines 52-65 phenylethanolamine N-methyltransferase Ovis aries 154-158