title: [2-o-Iodotyrosine]-oxytocin and [2-o-methyltyrosine]-oxytocin: basic pharmacology and comments on their potential use in binding studies.
abstract: Both [2-o-iodotyrosine]-oxytocin and [2-o-methyltyrosine]-oxytocin display only weak vasopressor and antidiuretic effects on rats. They inhibit the in vitro uterotonic action of oxytocin; this inhibition is not fully competitive. It is concluded that they are not suitable as markers for studies of uterine receptor for oxytocin.
mesh_terms: D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D004231:Diuresis / Q000187:drug effects; D004971:Estrus; D005260:Female; D008274:Magnesium / Q000494:pharmacology; D008297:Male; D010121:Oxytocin / Q000031:analogs & derivatives* / Q000378:metabolism / Q000494:pharmacology; D011247:Pregnancy; D051381:Rats; D014590:Uterine Contraction / Q000187:drug effects
chemical_list: D010121:Oxytocin; D008274:Magnesium