The effect of intragastric feeding with amino acids on liver regeneration after partial hepatectomy in the rat. 1979

R E Kirsch, and S J Saunders, and L O Frith, and E Rawlings, and V Woodburn

The incorporation of 14C-thymidine into DNA was measured at 4-hr intervals from 16 to 32 hr after partial hepatectomy in groups of rats. Rats forcefed solutions of amino acids or branched-chain amino acids showed a significant reduction in the DNA specific activity 24 hr after partial hepatectomy when compared to rats forced fed an equal volume of water. Intragastric feeding with ketoanalogues of the branched-chain amino acids did not alter thymidine incorporation into DNA significantly. The finding that intragastric feeding depresses DNA synthesis after partial hepatectomy contrasts with our studies indicating increased synthesis of albumin in partially hepatectorized animals receiving similar feeding and indicates different control mechanisms for DNA and albumin synthesis.

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
D008115 Liver Regeneration Repair or renewal of hepatic tissue. Liver Regenerations,Regeneration, Liver,Regenerations, Liver
D008297 Male Males
D004247 DNA A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine). DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D004750 Enteral Nutrition Nutritional support given via the alimentary canal or any route connected to the gastrointestinal system (i.e., the enteral route). This includes oral feeding, sip feeding, and tube feeding using nasogastric, gastrostomy, and jejunostomy tubes. Enteral Feeding,Force Feeding,Nutrition, Enteral,Tube Feeding,Gastric Feeding Tubes,Feeding Tube, Gastric,Feeding Tubes, Gastric,Feeding, Enteral,Feeding, Force,Feeding, Tube,Feedings, Force,Force Feedings,Gastric Feeding Tube,Tube, Gastric Feeding,Tubes, Gastric Feeding
D006498 Hepatectomy Excision of all or part of the liver. (Dorland, 28th ed) Hepatectomies
D000596 Amino Acids Organic compounds that generally contain an amino (-NH2) and a carboxyl (-COOH) group. Twenty alpha-amino acids are the subunits which are polymerized to form proteins. Amino Acid,Acid, Amino,Acids, Amino
D000597 Amino Acids, Branched-Chain Amino acids which have a branched carbon chain. Branched-Chain Amino Acid,Amino Acids, Branched Chain,Acid, Branched-Chain Amino,Acids, Branched-Chain Amino,Amino Acid, Branched-Chain,Branched Chain Amino Acid,Branched-Chain Amino Acids
D000601 Amino Acids, Essential Amino acids that are not synthesized by the human body in amounts sufficient to carry out physiological functions. They are obtained from dietary foodstuffs. Essential Amino Acid,Essential Amino Acids,Acid, Essential Amino,Acids, Essential Amino,Amino Acid, Essential
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

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