Inhibition of hepatic phosphatidylcholine synthesis by malathion in rats. 1984

Y Singh, and V K Chaudhary, and S R Tyagi, and U K Misra

Rats maintained on a 20% casein diet were given malathion orally throughout the feeding period (100 mg/kg body weight/day, dissolved in groundnut oil). Hepatic choline kinase (EC 2.7.1.32) and cholinephosphate cytidyltransferase (EC 2.7.7.15) activities were inhibited, whereas cholinephosphotransferase (EC 2.7.8.2) activity was not affected by malathion administration. Incorporation of [methyl-14C]L-methionine into hepatic microsomal phosphatidylcholine was significantly reduced by malathion administration.

UI MeSH Term Description Entries
D008294 Malathion A wide spectrum aliphatic organophosphate insecticide widely used for both domestic and commercial agricultural purposes. Carbafos,Carbofos,Carbophos,Cythion,Karbofos,Prioderm,Sadophos
D008297 Male Males
D008715 Methionine A sulfur-containing essential L-amino acid that is important in many body functions. L-Methionine,Liquimeth,Methionine, L-Isomer,Pedameth,L-Isomer Methionine,Methionine, L Isomer
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
D009713 Nucleotidyltransferases A class of enzymes that transfers nucleotidyl residues. EC 2.7.7. Nucleotidyltransferase
D010713 Phosphatidylcholines Derivatives of PHOSPHATIDIC ACIDS in which the phosphoric acid is bound in ester linkage to a CHOLINE moiety. Choline Phosphoglycerides,Choline Glycerophospholipids,Phosphatidyl Choline,Phosphatidyl Cholines,Phosphatidylcholine,Choline, Phosphatidyl,Cholines, Phosphatidyl,Glycerophospholipids, Choline,Phosphoglycerides, Choline
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
D002250 Carbon Radioisotopes Unstable isotopes of carbon that decay or disintegrate emitting radiation. C atoms with atomic weights 10, 11, and 14-16 are radioactive carbon isotopes. Radioisotopes, Carbon
D002794 Choline A basic constituent of lecithin that is found in many plants and animal organs. It is important as a precursor of acetylcholine, as a methyl donor in various metabolic processes, and in lipid metabolism. Bursine,Fagine,Vidine,2-Hydroxy-N,N,N-trimethylethanaminium,Choline Bitartrate,Choline Chloride,Choline Citrate,Choline Hydroxide,Choline O-Sulfate,Bitartrate, Choline,Chloride, Choline,Choline O Sulfate,Citrate, Choline,Hydroxide, Choline,O-Sulfate, Choline
D002797 Choline Kinase An enzyme that is active in the first step of choline phosphoglyceride (lecithin) biosynthesis by catalyzing the phosphorylation of choline to phosphorylcholine in the presence of ATP. Ethanolamine and its methyl and ethyl derivatives can also act as acceptors. EC 2.7.1.32. ATP Choline Transphosphatase,Choline Phosphokinase,Choline Transphosphatase, ATP,Kinase, Choline,Phosphokinase, Choline,Transphosphatase, ATP Choline

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