Inhibition of pepsin activity by ursodeoxycholic acids and chenodeoxycholic acids. 1985

T Eto, and R K Tompkins

The bile salts of ursodeoxycholic acid, glycoursodeoxycholic acid, tauroursodeoxycholic acid, chenodeoxycholic acid, glycochenodeoxycholic acid, and taurochenodeoxycholic acid were each found to inhibit pepsin proteolytic activity in vitro at various concentrations against the refined substrate n-APDT. The sodium salt of ursodeoxycholic acid was the most potent pepsin inhibitor among those tested.

UI MeSH Term Description Entries
D010434 Pepsin A Formed from pig pepsinogen by cleavage of one peptide bond. The enzyme is a single polypeptide chain and is inhibited by methyl 2-diaazoacetamidohexanoate. It cleaves peptides preferentially at the carbonyl linkages of phenylalanine or leucine and acts as the principal digestive enzyme of gastric juice. Pepsin,Pepsin 1,Pepsin 3
D002635 Chenodeoxycholic Acid A bile acid, usually conjugated with either glycine or taurine. It acts as a detergent to solubilize fats for intestinal absorption and is reabsorbed by the small intestine. It is used as cholagogue, a choleretic laxative, and to prevent or dissolve gallstones. Chenic Acid,Chenodeoxycholate,Chenodiol,Gallodesoxycholic Acid,Chenique Acid,Chenix,Chenofalk,Chenophalk,Henohol,Quenobilan,Quenocol,Sodium Chenodeoxycholate,Acid, Chenic,Acid, Chenique,Acid, Chenodeoxycholic,Acid, Gallodesoxycholic,Chenodeoxycholate, Sodium
D003840 Deoxycholic Acid A bile acid formed by bacterial action from cholate. It is usually conjugated with glycine or taurine. Deoxycholic acid acts as a detergent to solubilize fats for intestinal absorption, is reabsorbed itself, and is used as a choleretic and detergent. Deoxycholate,Desoxycholic Acid,Kybella,Choleic Acid,Deoxycholic Acid, 12beta-Isomer,Deoxycholic Acid, 3beta-Isomer,Deoxycholic Acid, 5alpha-Isomer,Deoxycholic Acid, Disodium Salt,Deoxycholic Acid, Magnesium (2:1) Salt,Deoxycholic Acid, Monoammonium Salt,Deoxycholic Acid, Monopotassium Salt,Deoxycholic Acid, Monosodium Salt,Deoxycholic Acid, Sodium Salt, 12beta-Isomer,Dihydroxycholanoic Acid,Lagodeoxycholic Acid,Sodium Deoxycholate,12beta-Isomer Deoxycholic Acid,3beta-Isomer Deoxycholic Acid,5alpha-Isomer Deoxycholic Acid,Deoxycholate, Sodium,Deoxycholic Acid, 12beta Isomer,Deoxycholic Acid, 3beta Isomer,Deoxycholic Acid, 5alpha Isomer
D004151 Dipeptides Peptides composed of two amino acid units. Dipeptide
D005999 Glycochenodeoxycholic Acid A bile salt formed in the liver from chenodeoxycholate and glycine, usually as the sodium salt. It acts as a detergent to solubilize fats for absorption and is itself absorbed. It is a cholagogue and choleretic. Chenodeoxycholylglycine,Glycine Chenodeoxycholate,Glycochenodeoxycholate,Acid, Glycochenodeoxycholic,Chenodeoxycholate, Glycine
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
D013379 Substrate Specificity A characteristic feature of enzyme activity in relation to the kind of substrate on which the enzyme or catalytic molecule reacts. Specificities, Substrate,Specificity, Substrate,Substrate Specificities
D013552 Swine Any of various animals that constitute the family Suidae and comprise stout-bodied, short-legged omnivorous mammals with thick skin, usually covered with coarse bristles, a rather long mobile snout, and small tail. Included are the genera Babyrousa, Phacochoerus (wart hogs), and Sus, the latter containing the domestic pig (see SUS SCROFA). Phacochoerus,Pigs,Suidae,Warthogs,Wart Hogs,Hog, Wart,Hogs, Wart,Wart Hog
D013655 Taurochenodeoxycholic Acid A bile salt formed in the liver by conjugation of chenodeoxycholate with taurine, usually as the sodium salt. It acts as detergent to solubilize fats in the small intestine and is itself absorbed. It is used as a cholagogue and choleretic. Chenodeoxycholyltaurine,Taurine Chenodeoxycholate,Taurochenodeoxycholate,Acid, Taurochenodeoxycholic,Chenodeoxycholate, Taurine
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

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