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  • Title: Serum prohepcidin levels correlate with hepatic iron stores in chronic hepatitis C patients.
    Author: Lin TJ, Liao LY, Chou JM, Liu SO, Wang CK.
    Journal: Hepatogastroenterology; 2009; 56(93):1146-51. PubMed ID: 19760959.
    Abstract:
    BACKGROUND/AIMS: Increased serum iron indices and hepatic iron stores are frequent in patients with chronic hepatitis C (CHC). The antimicrobial peptide hepdicin produced in the liver plays a pivotal role in iron homeostasis. METHODOLOGY: To determine the expression of hepcidin, the serum levels of prohepcidin were measured in 58 CHC patients and 144 healthy controls. The hepatic iron stores were scored by Perls' stain on liver biopsy specimens in 39 CHC patients. The serum prohepcidin levels were correlated with biochemical inflammation markers, histological necroinflammation grades, hemoglobin levels and iron status in CHC patients. RESULTS: The concentrations of serum prohepcidin were significantly higher in CHC patients than in healthy controls (142.07 +/- 67.06 vs. 89.07 +/- 37.32 ng/mL, p < 0.001). The CHC patients with positive hepatic iron stains had significantly higher serum prohepcidin levels than the CHC patients without (221.20 +/- 117.74 vs. 123.81 +/- 60.53 ng/mL, p = 0.037). The serum prohepdicin levels were not significantly correlated with the ages (r = -0.041, p = 0.760), hemoglobin (r = 0.127, p = 0.346), alanine aminotransferase (r = -0.032, p = 0.813), transferrin saturation (r = 0.025, p = 0.862), ferritin levels (r = 0.211, p = 0.133) and hepatic inflammation grades (r = 0.153, p = 0.352) in CHC patients. CONCLUSIONS: The expression of serum prohepcidin is independent of the degree of hepatic inflammation as measured by the histological activity or aminotransferase level. The serum prohepcidin levels are associated with hepatic iron stains and significantly higher in CHC patients than in healthy controls. Our results suggest that CHC may induce the expression of hepcidin possibly by increased hepatic iron stores.
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