Enhanced biliary excretion of lithocholate-3-sulfate by ursodeoxycholate-3,7-disulfate infusion in Eisai hyperbilirubinemic rat (EHBR). 1998

H Takikawa, and N Sano, and T Ogasawara, and M Yamanaka
Department of Medicine, Teikyo University School of Medicine, Tokyo, Japan.

Biliary excretion of lithocholate-3-sulfate and ursodeoxycholate 3,7-disulfate is markedly impaired in EHBR. In the present study, the effects of ursodeoxycholate 3,7-disulfate infusion on lithocholate-3-sulfate excretion were studied in EHBR and Sprague-Dawley rats. Although in control rats, ursodeoxycholate 3,7-disulfate infusion had no effect on biliary lithocholate-3-sulfate excretion, in EHBR it enhanced biliary lithocholate-3-sulfate excretion. Although ursodeoxycholate 3,7-disulfate dose-dependently inhibited lithocholate-3-sulfate binding by rat serum albumin and rat liver cytosol, it did not affect the serum clearance of lithocholate-3-sulfate in EHBR in vivo. These findings indicate that in EHBR, in which the major ATP-dependent organic anion transporter is impaired, the excretory pathway for ursodeoxycholate 3,7-disulfate may interact to that for lithocholate-3-sulfate.

UI MeSH Term Description Entries
D007262 Infusions, Intravenous The long-term (minutes to hours) administration of a fluid into the vein through venipuncture, either by letting the fluid flow by gravity or by pumping it. Drip Infusions,Intravenous Drip,Intravenous Infusions,Drip Infusion,Drip, Intravenous,Infusion, Drip,Infusion, Intravenous,Infusions, Drip,Intravenous Infusion
D008095 Lithocholic Acid A bile acid formed from chenodeoxycholate by bacterial action, usually conjugated with glycine or taurine. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is used as cholagogue and choleretic. Lithocholate,Isolithocholic Acid,Acid, Isolithocholic,Acid, Lithocholic
D008297 Male Males
D011922 Rats, Mutant Strains Rats bearing mutant genes which are phenotypically expressed in the animals. Mutant Strains Rat,Mutant Strains Rats,Rat, Mutant Strains,Strains Rat, Mutant,Strains Rats, Mutant
D006932 Hyperbilirubinemia A condition characterized by an abnormal increase of BILIRUBIN in the blood, which may result in JAUNDICE. Bilirubin, a breakdown product of HEME, is normally excreted in the BILE or further catabolized before excretion in the urine. Bilirubinemia,Bilirubinemias,Hyperbilirubinemias
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
D001646 Bile An emulsifying agent produced in the LIVER and secreted into the DUODENUM. Its composition includes BILE ACIDS AND SALTS; CHOLESTEROL; and ELECTROLYTES. It aids DIGESTION of fats in the duodenum. Biliary Sludge,Sludge, Biliary
D014580 Ursodeoxycholic Acid An epimer of chenodeoxycholic acid. It is a mammalian bile acid found first in the bear and is apparently either a precursor or a product of chenodeoxycholate. Its administration changes the composition of bile and may dissolve gallstones. It is used as a cholagogue and choleretic. Deoxyursocholic Acid,3 alpha,7 beta-Dihydroxy-5 beta-cholan-24-oic Acid,Cholit-Ursan,Cholofalk,Delursan,Destolit,Sodium Ursodeoxycholate,Urdox,Ursacholic Acid,Urso,Urso Heumann,Ursobilane,Ursochol,Ursodiol,Ursofalk,Ursogal,Ursolite,Ursolvan,3 alpha,7 beta Dihydroxy 5 beta cholan 24 oic Acid,Acid, Deoxyursocholic,Acid, Ursacholic,Acid, Ursodeoxycholic,Ursodeoxycholate, Sodium
D017207 Rats, Sprague-Dawley A strain of albino rat used widely for experimental purposes because of its calmness and ease of handling. It was developed by the Sprague-Dawley Animal Company. Holtzman Rat,Rats, Holtzman,Sprague-Dawley Rat,Rats, Sprague Dawley,Holtzman Rats,Rat, Holtzman,Rat, Sprague-Dawley,Sprague Dawley Rat,Sprague Dawley Rats,Sprague-Dawley Rats
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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