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Cohen BI, Mikami T, Ayyad N, et al. Hydrophilic bile acids: prevention and dissolution experiments in two animal models of cholesterol cholelithiasis. Lipids. 1995;30(9):855-61doi: 10.1007/BF02533962.
Cohen, B. I., Mikami, T., Ayyad, N., Ohshima, A., Infante, R., & Mosbach, E. H. (1995). Hydrophilic bile acids: prevention and dissolution experiments in two animal models of cholesterol cholelithiasis. Lipids, 30(9), 855-61. https://doi.org/10.1007/BF02533962
Cohen, B I, et al. "Hydrophilic bile acids: prevention and dissolution experiments in two animal models of cholesterol cholelithiasis." Lipids vol. 30,9 (1995): 855-61. doi: https://doi.org/10.1007/BF02533962
Cohen BI, Mikami T, Ayyad N, Ohshima A, Infante R, Mosbach EH. Hydrophilic bile acids: prevention and dissolution experiments in two animal models of cholesterol cholelithiasis. Lipids. 1995 Sep;30(9):855-61. doi: 10.1007/BF02533962. PMID: 8577230.
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Lipids. 1995 Sep;30(9):855-61. doi: 10.1007/BF02533962.

Hydrophilic bile acids: prevention and dissolution experiments in two animal models of cholesterol cholelithiasis.

Lipids

B I Cohen, T Mikami, N Ayyad, A Ohshima, R Infante, E H Mosbach

Affiliations

  1. Department of Surgery, Beth Israel Medical Center, New York, New York 10003, USA.

PMID: 8577230 DOI: 10.1007/BF02533962

Abstract

The effects of beta-muricholic acid and hyocholic acid on cholesterol cholelithiasis were examined in two animal models. The following experiments were carried out: A) In a gallstone prevention study, prairie dogs were fed the lithogenic diet with or without 0.1% beta-muricholic or 0.1% hyocholic acid for eight weeks. B) In a second prevention study, hamsters were fed the lithogenic diet with or without 0.1% beta-muricholic acid or 0.1% hyocholic acid for six weeks. C) In a gallstone dissolution study, hamsters were fed the lithogenic diet for six weeks to induce stones; stone dissolution was examined during administration of a cholesterol-free purified diet with or without 0.1% beta-muricholic acid or 0.1% hyocholic acid. In the prevention study in prairie dogs (A), both bile acids failed to prevent stone formation, the cholesterol saturation index of bile was 0.89 in the lithogenic controls, remained unchanged with hyocholic acid and increased to 1.52 in the beta-muricholic acid group. In the prevention study in hamsters (B), beta-muricholic acid completely inhibited the cholesterol cholelithiasis (0% stone incidence); the cholesterol saturation index of bile was 1.78 (compared to lithogenic controls, 1.37). Hyocholic acid reduced stone incidence to 16% with a cholesterol saturation index of 0.98. In the dissolution study in hamsters (C), preexisting cholesterol gallstones were not dissolved by either hydrophilic bile acid after feeding these bile acids for an additional six weeks; at the end of the experiment, the cholesterol saturation indices were below unity.(ABSTRACT TRUNCATED AT 250 WORDS)

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