Prenalterol is an agonist at beta 2- as well as at beta 1-adrenoceptors. 1982

G H Apperley, and G M Drew, and A T Sullivan

Prenalterol exerted agonist activity in cat, but not guinea-pig, isolated atria, which contain predominantly beta 1-adrenoceptors. Prenalterol relaxed K+ -contracted rat uterus, but not histamine-contracted cat lung strips; both contain predominantly beta 2-adrenoceptors. The effect of prenalterol in rat uterus was antagonised by the selective beta 2-adrenoceptor antagonist ICI 118551 but not by the selective beta 1-adrenoceptor antagonist atenolol. Thus the ability of prenalterol to exert beta-adrenoceptor activity is tissue-dependent, rather than beta-adrenoceptor subtype-dependent.

UI MeSH Term Description Entries
D007545 Isoproterenol Isopropyl analog of EPINEPHRINE; beta-sympathomimetic that acts on the heart, bronchi, skeletal muscle, alimentary tract, etc. It is used mainly as bronchodilator and heart stimulant. Isoprenaline,Isopropylarterenol,4-(1-Hydroxy-2-((1-methylethyl)amino)ethyl)-1,2-benzenediol,Euspiran,Isadrin,Isadrine,Isopropyl Noradrenaline,Isopropylnoradrenaline,Isopropylnorepinephrine,Isoproterenol Hydrochloride,Isoproterenol Sulfate,Isuprel,Izadrin,Norisodrine,Novodrin,Hydrochloride, Isoproterenol,Noradrenaline, Isopropyl,Sulfate, Isoproterenol
D008168 Lung Either of the pair of organs occupying the cavity of the thorax that effect the aeration of the blood. Lungs
D008297 Male Males
D009119 Muscle Contraction A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs by a sliding filament mechanism whereby actin filaments slide inward among the myosin filaments. Inotropism,Muscular Contraction,Contraction, Muscle,Contraction, Muscular,Contractions, Muscle,Contractions, Muscular,Inotropisms,Muscle Contractions,Muscular Contractions
D009200 Myocardial Contraction Contractile activity of the MYOCARDIUM. Heart Contractility,Inotropism, Cardiac,Cardiac Inotropism,Cardiac Inotropisms,Contractilities, Heart,Contractility, Heart,Contraction, Myocardial,Contractions, Myocardial,Heart Contractilities,Inotropisms, Cardiac,Myocardial Contractions
D011217 Practolol A beta-1 adrenergic antagonist that has been used in the emergency treatment of CARDIAC ARRYTHMIAS. Dalzic,Eralzdin Practolol,ICI-50172,ICI 50172,ICI50172,Practolol, Eralzdin
D011294 Prenalterol A partial adrenergic agonist with functional beta 1-receptor specificity and inotropic effect. It is effective in the treatment of acute CARDIAC FAILURE, postmyocardial infarction low-output syndrome, SHOCK, and reducing ORTHOSTATIC HYPOTENSION in the SHY-RAGER SYNDROME. A-Ba-C-50,005,H-133-22,H-80-62,KWD-2033,Prenalterol Hydrochloride,A Ba C 50,005,ABaC50,005,H13322,H8062,Hydrochloride, Prenalterol,KWD2033
D011412 Propanolamines AMINO ALCOHOLS containing the propanolamine (NH2CH2CHOHCH2) group and its derivatives. Aminopropanols
D011919 Rats, Inbred Strains Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by parent x offspring matings carried out with certain restrictions. This also includes animals with a long history of closed colony breeding. August Rats,Inbred Rat Strains,Inbred Strain of Rat,Inbred Strain of Rats,Inbred Strains of Rats,Rat, Inbred Strain,August Rat,Inbred Rat Strain,Inbred Strain Rat,Inbred Strain Rats,Inbred Strains Rat,Inbred Strains Rats,Rat Inbred Strain,Rat Inbred Strains,Rat Strain, Inbred,Rat Strains, Inbred,Rat, August,Rat, Inbred Strains,Rats Inbred Strain,Rats Inbred Strains,Rats, August,Rats, Inbred Strain,Strain Rat, Inbred,Strain Rats, Inbred,Strain, Inbred Rat,Strains, Inbred Rat
D002415 Cats The domestic cat, Felis catus, of the carnivore family FELIDAE, comprising over 30 different breeds. The domestic cat is descended primarily from the wild cat of Africa and extreme southwestern Asia. Though probably present in towns in Palestine as long ago as 7000 years, actual domestication occurred in Egypt about 4000 years ago. (From Walker's Mammals of the World, 6th ed, p801) Felis catus,Felis domesticus,Domestic Cats,Felis domestica,Felis sylvestris catus,Cat,Cat, Domestic,Cats, Domestic,Domestic Cat

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