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  • Title: [A clinical study of abnormal bone metabolism in patients with HBV liver cirrhosis].
    Author: Wang YG, Liu Q, Wang WQ, Chen ZP, Yan MX.
    Journal: Zhonghua Gan Zang Bing Za Zhi; 2006 Jan; 14(1):33-6. PubMed ID: 16420762.
    Abstract:
    OBJECTIVE: To study the pathogenesis of abnormal bone metabolism in patients with HBV liver cirrhosis. METHODS: NM-300 signal-energy X-ray absorptiometry system was used to measure the bone mineral density (BMD) in 61 liver cirrhosis patients and 30 age-matched healthy controls. The serum levels of 1,25(OH)2D3, parathyroid hormone (PTH), calcitonin (CT), bone gamma-carboxyglutamic acid-containing protein (BGP), IL-1beta, IL-6, tumor necrosis factor (TNF)alpha and urine crosslaps were also detected in these patients. RESULTS: BMD in patients with HBV liver cirrhosis was lower than those of the controls. The serum levels of 1,25(OH)2D3 and BGP in cirrhosis patients were lower than those in the controls, and they were much lower in the osteoporosis (OP) group than in the non-osteoporosis (NOP) group. The PTH and CT were higher significantly in the patients than in the controls. The changes of serum 1,25(OH)2D3 and BGP were correlated with the changes of BMD. The serum levels of IL-1beta, IL-6, TNFalpha and urine crosslaps in cirrhosis patients were higher than those of the controls, and they were much higher in the OP group than in the NOP group. We also found that the serum levels of IL-1beta, IL-6, TNFalpha and urine crosslaps had a negative correlation with BMD. CONCLUSIONS: These data suggest that bone formation is weakened and bone resorption is increased in patients with HBV liver cirrhosis, 1,25(OH)2D3 plays an important role in abnormal bone formation. Elevation of serum IL-1beta, IL-6, TNFalpha can accelerate bone resorption and cause hepatic bone disease (HBD). Taking 1,25(OH)2D3 and reducing the level of IL-1beta, IL-6, TNFalpha may be very important in preventing and treating HBD.
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