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pubmed:abstractText |
Concentrations of glycine and taurine conjugates of cholic, chenodeoxycholic, and deoxycholic acid in portal and systemic venous serum and in bile were measured in eight subjects undergoing elective cholecystectomy. Mean concentrations in systemic serum ranged from 0.07 to 0.17 mumol/l, in portal serum from 0.49 to 2.09 mumol/l, and in bile from 2.72 to 17.2 mmol/l. The percentage content of trihydroxy-bile acid conjugates in bile (49%) and in portal serum (51%) was higher than in systemic serum (35%) (P less than 0.001). The estimated hepatic fractional uptake of glycocholic acid (mean, 83%) and of taurocholic acid (83%) was higher than the uptakes of the dihydroxy-bile acid conjugates (60-68%). The percentage contents of glycine-conjugated bile acids in systemic serum (mean, 66%), portal serum (62%), and bile (65%) were not significantly different.
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