Species differences in the metabolism of palmotoxins B0 and G0 in vitro. 1975

O Bassir, and O Emerole

1. The metabolism of palmotoxins B0 and G0 has been studied using liver slices and liver microsomal-plus-soluble fractions from eleven animal species. 2. Neither slices nor microsomal-plus-soluble fractions of livers from goat and duck demethylated palmotoxins B0 and G0. No demethylation occurred with microsomal-plus-soluble fractions from lizard, toad, and guinea-pig although some was detected with the liver slices of these animals. 3. All species with the exception of duck and the white rock cock produced the fluorescent metabolite identical with the hydroxylation product from the rat. The rat metabolite with RF value 0 - 21 was absent in all other species studied. 4. In all species, the total amount of each toxin metabolized was far less than that obtained for aflatoxin B1 under identical conditions.

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
D008116 Lizards Reptiles within the order Squamata that generally possess limbs, moveable EYELIDS, and EXTERNAL EAR openings, although there are some species which lack one or more of these structures. Chameleons,Geckos,Chameleon,Gecko,Lizard
D008297 Male Males
D008658 Inactivation, Metabolic Reduction of pharmacologic activity or toxicity of a drug or other foreign substance by a living system, usually by enzymatic action. It includes those metabolic transformations that make the substance more soluble for faster renal excretion. Detoxication, Drug, Metabolic,Drug Detoxication, Metabolic,Metabolic Detoxication, Drug,Detoxification, Drug, Metabolic,Metabolic Detoxification, Drug,Metabolic Drug Inactivation,Detoxication, Drug Metabolic,Detoxication, Metabolic Drug,Detoxification, Drug Metabolic,Drug Inactivation, Metabolic,Drug Metabolic Detoxication,Drug Metabolic Detoxification,Inactivation, Metabolic Drug,Metabolic Drug Detoxication,Metabolic Inactivation
D008862 Microsomes, Liver Closed vesicles of fragmented endoplasmic reticulum created when liver cells or tissue are disrupted by homogenization. They may be smooth or rough. Liver Microsomes,Liver Microsome,Microsome, Liver
D009183 Mycotoxins Toxic compounds produced by FUNGI. Fungal Toxins,Mycotoxin,Toxins, Fungal
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D002025 Bufonidae The family of true toads belonging to the order Anura. The genera include Bufo, Ansonia, Nectophrynoides, and Atelopus. Bufo,Toads, True,Bufos,Toad, True,True Toad,True Toads
D002645 Chickens Common name for the species Gallus gallus, the domestic fowl, in the family Phasianidae, order GALLIFORMES. It is descended from the red jungle fowl of SOUTHEAST ASIA. Gallus gallus,Gallus domesticus,Gallus gallus domesticus,Chicken
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog

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