Angiogenic Factor Expression in Hepatic Cirrhosis
2007

Angiogenic Factors in Liver Cirrhosis

Sample size: 55 publication Evidence: moderate

Author Information

Author(s): Alexandra Giatromanolaki, Stamatia Kotsiou, Michael I. Koukourakis, Efthimios Sivridis

Primary Institution: Democritus University of Thrace Medical School

Hypothesis

The study examines the role of angiogenic factors in the fibrotic process of hepatic cirrhosis.

Conclusion

Angiogenic factors produced by hepatocytes may contribute to the development of fibrous bands in hepatic cirrhosis.

Supporting Evidence

  • VEGF, bFGF, and aFGF were expressed in hepatocytes but not in fibroblasts.
  • Thymidine phosphorylase was expressed strongly in hepatocytes, indicating oxidative stress.
  • The proliferation index of fibroblasts was very low, suggesting a slow response to stimuli.

Takeaway

This study found that certain proteins made by liver cells might help cause scarring in the liver when someone has cirrhosis.

Methodology

The study used formalin-fixed paraffin-embedded tissues from biopsies and immunohistochemical techniques to assess the expression of angiogenic factors.

Limitations

The study only examined patients with posthepatitic etiology and did not include other causes of cirrhosis.

Participant Demographics

Patients had a long-standing history of chronic viral hepatitis B.

Digital Object Identifier (DOI)

10.1155/2007/67187

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