The metabolism of canrenone in vitro by rat liver preparations. 1981

D R Boreham, and C W Vose, and R F Palmer, and T F Slater, and K Cheeseman

1. The metabolism of [1-3H]canrenone, a primary metabolite of spironolactone and potassium canrenoate, by rat liver preparations in vitro has been investigated. 2. Canrenone was metabolized by 3-oxo-delta 4-reduction to give 3 alpha-hydroxy-5 beta-spirolactones, and also by a number of O2 and NADPH-dependent microsomal hydroxylation reactions. 3. A major metabolic route requiring the presence of a microsomal fraction, but apparently independent of oxygen and NADPH, led to the formation of a number of compounds tentatively identified as trihydroxy-spirolactones.

UI MeSH Term Description Entries
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D008297 Male Males
D011245 Pregnadienes Pregnane derivatives containing two double bonds anywhere within the ring structures.
D002192 Canrenone A synthetic pregnadiene compound with anti-aldosterone activity. 11614 R.P.,Aldadiene,Phanurane,SC-9376,R.P., 11614,SC 9376,SC9376
D002248 Carbon Monoxide Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed) Monoxide, Carbon
D005609 Free Radicals Highly reactive molecules with an unsatisfied electron valence pair. Free radicals are produced in both normal and pathological processes. Free radicals include reactive oxygen and nitrogen species (RONS). They are proven or suspected agents of tissue damage in a wide variety of circumstances including radiation, damage from environment chemicals, and aging. Natural and pharmacological prevention of free radical damage is being actively investigated. Free Radical
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001711 Biotransformation The chemical alteration of an exogenous substance by or in a biological system. The alteration may inactivate the compound or it may result in the production of an active metabolite of an inactive parent compound. The alterations may be divided into METABOLIC DETOXICATION, PHASE I and METABOLIC DETOXICATION, PHASE II.
D013347 Subcellular Fractions Components of a cell produced by various separation techniques which, though they disrupt the delicate anatomy of a cell, preserve the structure and physiology of its functioning constituents for biochemical and ultrastructural analysis. (From Alberts et al., Molecular Biology of the Cell, 2d ed, p163) Fraction, Subcellular,Fractions, Subcellular,Subcellular Fraction
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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