Circulating fibronectin isoforms predict the degree of fibrosis in chronic hepatitis C.
2010
AbstractObjective. Hepatic stellate cells only produce fibronectin isoforms in disease states. The isoform-defining domains can be detected in the blood circulation. This study examines whether circulating levels of fibronectin isoforms show a relationship with liver fibrosis on histology in patients with chronic hepatitis C. Material and methods. In a prospective study, 50 patients with chronic hepatitis C who underwent a liver biopsy were compared to 50 matched controls and 35 patients with other liver conditions. Results. Circulating levels of the fibronectin isoforms were significantly higher in patients with chronic hepatitis C compared to healthy controls [oncofetal fibronectin (oFN) 2.45 ± 0.17 versus 1.76 ± 0.16 mg/l, P < 0.005; extra domain-A (EDA) 1.05 ± 0.06 versus 0.86 ± 0.06 mg/l, P < 0.05; and extra domain-B (EDB) 14.55 ± 0.74 versus 9.31 ± 0.58 mg/l, P < 0.001], even though total fibronectin was lower (198.9 ± 3.5 versus 343.6 ± 14.5 mg/l, P < 0.001). A correlation with the fibrosis score w...
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