Sodium glycolate absorption in rat intestine. 1984

H S Talwar, and M S Murthy, and S K Thind, and R Nath

Absorption of sodium [1-14C]glycolate by rat intestine was studied by using the tissue accumulation technique with everted intestinal rings. Saturation kinetics was observed for the absorption of glycolate in the jejunoileal region, with a Km of 6.25 mM for glycolate and a Vmax of 5.56 mumole/30 min/g wet wt. The absorption was linear up to a period of 25 min at 37 degrees C. Jejunum and ileum showed significantly higher absorption of glycolate as compared to colon. Sulfhydryl binding agents, viz., p-chloromercuribenzoate and iodoacetate, and respiration inhibitors, e.g., KCN and 2,4-dinitrophenol, had no significant effect on glycolate uptake. However, glyoxylate and lactate showed significant inhibition at 6 mM concentration of the inhibitor. Pyridoxine deficiency had no effect on glycolate uptake by the rat intestine.

UI MeSH Term Description Entries
D007408 Intestinal Absorption Uptake of substances through the lining of the INTESTINES. Absorption, Intestinal
D007461 Iodoacetates Iodinated derivatives of acetic acid. Iodoacetates are commonly used as alkylating sulfhydryl reagents and enzyme inhibitors in biochemical research. Iodoacetic Acids,Acids, Iodoacetic
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008297 Male Males
D011190 Potassium Cyanide A highly poisonous compound that is an inhibitor of many metabolic processes, but has been shown to be an especially potent inhibitor of heme enzymes and hemeproteins. It is used in many industrial processes. Potassium Cyanide (K(14)CN),Potassium Cyanide (K(C(15)N)),Cyanide, Potassium
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
D002264 Carboxylic Acids Organic compounds containing the carboxy group (-COOH). This group of compounds includes amino acids and fatty acids. Carboxylic acids can be saturated, unsaturated, or aromatic. Carboxylic Acid,Acid, Carboxylic,Acids, Carboxylic
D002729 Chloromercuribenzoates Chloride and mercury-containing derivatives of benzoic acid.
D004140 Dinitrophenols Organic compounds that contain two nitro groups attached to a phenol.
D006016 Glycolates Derivatives of ACETIC ACID which contain an hydroxy group attached to the methyl carbon. 2-Hydroxyacetates,Glycolate Ethers,Hydroxyacetate Ethers,Hydroxyacetates,Hydroxyacetic Acids,2 Hydroxyacetates,Acids, Hydroxyacetic,Ethers, Glycolate,Ethers, Hydroxyacetate

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