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Kuroki, S. et al.

Serum 7 alpha-hydroxycholesterol as a new parameter of liver function in patients with chronic liver diseases.

To examine bile acid synthesis in chronic liver diseases, serum total 7 alpha-hydroxycholesterol level was measured by gas-liquid chromatography-mass spectrometry in patients with cirrhosis (n = 23), patients with chronic hepatitis (n = 21), and control subjects (n = 18). The serum 7 alpha-hydroxycholesterol levels were significantly lower in patients with cirrhosis than the controls (78 +/- 59 pmol/mL vs. 237 +/- 97 pmol/mL; mean +/- SD). However, in patients with chronic hepatitis, the level was fully retained (262 +/- 102 pmol/mL). Serum 7 alpha-hydroxycholesterol levels of 17 patients with cirrhosis classified as Child B and C ranged from 33 to 69 pmol/mL, and all were less than the normal range (between 104 and 466 pmol/mL), however, those levels of some patients classified as Child A were within the normal range. Serum 7 alpha-hydroxycholesterol levels significantly correlated with serum albumin, cholinesterase, total bile acid, direct bilirubin, alkaline phosphatase, indocyanine green (ICG) retention rate, hepaplastin test, and lecithin-cholesterol acyltransferase activities. We conclude that bile acid synthesis is well preserved in patients with chronic hepatitis and that it is decreased in most patients with cirrhosis. Serum 7 alpha-hydroxycholesterol may be a new parameter of liver function testing to assess hepatic bile acid synthesis in patients with chronic liver diseases.[1]

References

Serum 7 alpha-hydroxycholesterol as a new parameter of liver function in patients with chronic liver diseases. Kuroki, S., Okamoto, S., Naito, T., Oda, H., Nagase, S., Sakai, H., Nawata, H., Yamashita, H., Chijiiwa, K., Tanaka, M. Hepatology (1995) [Pubmed]

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