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The effect of portocaval shunt on hepatic glycogen stores during fasting. 1985

A Boninsegna, and M Pradella, and G Scutari, and P Vassanelli, and A Perissinotto

The effect of a prolonged fast was studied in surgically portocaval shunted (PCS) rats. This shunt excludes the liver from the direct effect of pancreatic and enteric hormones, thus facilitating the study of the biochemical and metabolic effects of these hormones. In portocaval shunted rats, liver glycogen was lower than that of control rats, and remained unaffected during fasting. No remarkable difference was observed in blood glucose, plasma and liver free fatty acids and blood ketone bodies. Among blood nitrogen compounds, total protein, alanine and urea did not show any significant variation, while, in PCS rats, the initial low levels of creatinine resulted in an increase after fast. Skeletal muscle protein decreased only slightly in control rats, while their loss was remarkable in PCS rats. The possibility of a differential activation of gluconeogenesis and glycogenolysis in control and PCS rats is discussed.

UI MeSH Term Description Entries
D007657 Ketone Bodies The metabolic substances ACETONE; 3-HYDROXYBUTYRIC ACID; and acetoacetic acid (ACETOACETATES). They are produced in the liver and kidney during FATTY ACIDS oxidation and used as a source of energy by the heart, muscle and brain. Acetone Bodies,Bodies, Acetone,Bodies, Ketone
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
D008112 Liver Glycogen Glycogen stored in the liver. (Dorland, 28th ed) Hepatic Glycogen,Glycogen, Hepatic,Glycogen, Liver
D008297 Male Males
D009124 Muscle Proteins The protein constituents of muscle, the major ones being ACTINS and MYOSINS. More than a dozen accessory proteins exist including TROPONIN; TROPOMYOSIN; and DYSTROPHIN. Muscle Protein,Protein, Muscle,Proteins, Muscle
D009584 Nitrogen An element with the atomic symbol N, atomic number 7, and atomic weight [14.00643; 14.00728]. Nitrogen exists as a diatomic gas and makes up about 78% of the earth's atmosphere by volume. It is a constituent of proteins and nucleic acids and found in all living cells.
D011167 Portacaval Shunt, Surgical Surgical portasystemic shunt between the portal vein and inferior vena cava. Eck Fistula,Portacaval Anastomosis,Portacaval Shunt,Shunt, Surgical Portacaval,Surgical Portacaval Shunt,Anastomoses, Portacaval,Anastomosis, Portacaval,Fistula, Eck,Portacaval Anastomoses,Portacaval Shunts,Portacaval Shunts, Surgical,Shunt, Portacaval,Shunts, Portacaval,Shunts, Surgical Portacaval,Surgical Portacaval Shunts
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
D001786 Blood Glucose Glucose in blood. Blood Sugar,Glucose, Blood,Sugar, Blood
D001798 Blood Proteins Proteins that are present in blood serum, including SERUM ALBUMIN; BLOOD COAGULATION FACTORS; and many other types of proteins. Blood Protein,Plasma Protein,Plasma Proteins,Serum Protein,Serum Proteins,Protein, Blood,Protein, Plasma,Protein, Serum,Proteins, Blood,Proteins, Plasma,Proteins, Serum

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