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Plasma osteocalcin levels in liver cirrhosis
F Capra1, M Casaril, G B Gabrielli
1Istituto di Patologia Medica, Università di Verona, Italy.
The Italian Journal of Gastroenterology
|March 1, 1991
Summary
Plasma osteocalcin levels are significantly lower in patients with liver cirrhosis, indicating potential hepatic osteodystrophy. This study highlights osteocalcin as a marker for bone metabolism in liver disease.
Area of Science:
- Biochemistry
- Hepatology
- Endocrinology
Background:
- Osteocalcin is a protein produced by osteoblasts, crucial for bone metabolism.
- Reduced plasma osteocalcin levels are associated with osteodystrophia, often seen in cholestatic liver diseases.
- Liver cirrhosis can lead to complex metabolic disturbances affecting bone health.
Purpose of the Study:
- To investigate plasma osteocalcin levels in patients with liver cirrhosis.
- To compare osteocalcin levels between cirrhotic patients and healthy controls.
- To explore the relationship between osteocalcin levels and liver function, mineral metabolism, and calcitonin in cirrhosis.
Main Methods:
- Assayed plasma osteocalcin levels in 20 cirrhotic patients and 22 healthy controls.
- Measured liver function, clotting, and mineral metabolism indexes in patients.
- Quantified plasma calcitonin levels in both groups.
Main Results:
- Significantly lower plasma osteocalcin levels were observed in cirrhotic patients compared to controls (5.53 ng/ml vs 7.79 ng/ml, p < 0.01).
- Plasma calcitonin levels were significantly higher in cirrhotic patients than in controls (130.18 pg/ml vs 28.9 pg/ml, p < 0.05).
- Low osteocalcin levels may correlate with reduced vitamin D and calcium plasma levels in cirrhotics.
Conclusions:
- Cirrhotic patients exhibit significantly reduced plasma osteocalcin levels.
- These findings suggest "hepatic osteodystrophy" as a potential complication of liver cirrhosis.
- Low osteocalcin may be linked to impaired vitamin D and calcium metabolism in liver disease.