Increased serum cortisol binding in chronic active hepatitis.
PURPOSE: A high serum cortisol concentration, apparently due to increased cortisol-binding globulin ( CBG), was found in a patient (index case) with chronic active hepatitis (CAH). We therefore performed further studies to determine whether increased cortisol binding is generally associated with CAH. PATIENTS AND METHODS: Serum samples were obtained from 15 hospitalized patients with long-term liver function test elevations but no evidence of cirrhosis, 15 normal subjects without a history of hepatitis, four healthy pregnant women, and 10 alcoholic patients with stigmata of cirrhosis. Serum cortisol binding was measured by an adaptation of a previously described charcoal uptake method. Thyroxine-binding globulin ( TBG) and sex hormone-binding globulin were determined by radioimmunoassays. RESULTS AND CONCLUSION: Charcoal uptake of 125I cortisol from sera of normal subjects and additional patients with CAH revealed that increased serum cortisol binding by a saturable site, presumably CBG, was associated with CAH. Cortisol binding was significantly correlated with immunoassayable TBG, suggesting that in CAH, similar mechanisms may be responsible for increasing the serum concentrations of CBG and TBG.[1]References
- Increased serum cortisol binding in chronic active hepatitis. Orbach, O., Schussler, G.C. Am. J. Med. (1989) [Pubmed]
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