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Fibronectin decrease in liver cirrhosis is related to spleen size.

V de Angelis1, M Zambon, L Toffolo

  • 1Centro Immuno-Transfusionale, Ospedale di Pordenone, Pordenone, Italia.

Klinische Wochenschrift
|June 15, 1988
PubMed
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Plasma fibronectin levels are lower in liver cirrhosis patients, inversely correlating with spleen size. Increased fibronectin breakdown in enlarged spleens, not reduced synthesis, likely causes this reduction in portal hypertension.

Area of Science:

  • Hepatology
  • Biochemistry
  • Clinical Medicine

Background:

  • Liver cirrhosis is a severe condition characterized by fibrosis and altered liver function.
  • Portal hypertension is a common complication of liver cirrhosis, leading to significant morbidity.
  • Plasma fibronectin, a glycoprotein, plays roles in coagulation and tissue repair, but its role in cirrhosis is not fully understood.

Purpose of the Study:

  • To investigate the relationship between plasma fibronectin levels and clinical parameters in patients with liver cirrhosis.
  • To determine the factors contributing to altered fibronectin concentrations in cirrhosis, specifically portal hypertension.

Main Methods:

  • Plasma fibronectin concentrations were measured in patients with liver cirrhosis and compared to healthy controls.

Related Experiment Videos

  • Correlations between fibronectin levels and spleen size, hepatic blood flow, prothrombin time, and serum albumin were analyzed.

    • Main Results:

    • Patients with liver cirrhosis exhibited significantly lower plasma fibronectin concentrations compared to controls.
    • A significant inverse relationship was observed between plasma fibronectin levels and spleen size.
    • No significant correlation was found between fibronectin levels and hepatic blood flow, prothrombin time, or serum albumin.

    Conclusions:

    • Reduced plasma fibronectin in liver cirrhosis with portal hypertension is primarily attributed to increased degradation in the enlarged spleen.
    • Spleen size is a key factor influencing fibronectin levels, suggesting a more significant role for splenic clearance than hepatic synthesis reduction.