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Original Article

An analysis of data on human hepatic bile. Relationship between main bile components, serum cholesterol and serum triglycerides

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Pages 741-747 | Received 16 May 1977, Accepted 22 Aug 1977, Published online: 08 Jul 2009
 

Abstract

Hepatic bile samples were taken from the common duct during interval operations for gallstone disease, performed under standardized conditions. Prior to operation serum cholesterol and triglycerides levels were determined. The concentrations of Cholesterol (Chol), phospholipids (Lip P) and of the three major bile acids (BA) were determined in ninety-seven samples. The data were subjected to statistical analysis. A highly significant rank correlation was found between the Chol- and the Lip P molar fractions. The rank correlation between the Chol molar fraction and the BA/Lip P ratio was highly significantly negative. Reasons are given why the observed intraindividual differences are interpreted as reflecting interindividual changes. The conclusion is that just as in the animal model, a rise of Chol in human hepatic bile is accompanied by a decrease of the BA/Lip P ratio. A significant correlation was found between chenodeoxycholic acid (CDCA), and the ratio between the two other main bile acids (CA/DCA). High lithogenicity was associated with low CDCA- and high DCA values. In a mathematical representation valid in the sense of a rank correlation, the bile/serum Chol ratio rose with increasing DCA values combined with increasing absolute differences between the two other acids. Serum triglycerides were negatively correlated with the BA molar fraction and with the absolute concentration of BA. As a result there was an association between serum triglycerides and lithogenicity.

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