Infection of hepatitis B virus in extrahepatic endothelial tissues mediated by endothelial progenitor cells
2007

Hepatitis B Virus Infection in Endothelial Progenitor Cells

publication Evidence: moderate

Author Information

Author(s): Rong Qifei, Huang Jun, Su Enben, Li Jun, Li Jianyong, Zhang Lili, Cao Kejiang

Primary Institution: First Affiliated Hospital of Nanjing Medical University

Hypothesis

Can endothelial progenitor cells (EPCs) be infected by hepatitis B virus (HBV) and mediate its trans-infection into extrahepatic tissues?

Conclusion

EPCs can effectively carry and transport HBV to injured endothelial tissues, suggesting a novel mechanism for HBV-related extrahepatic diseases.

Supporting Evidence

  • EPCs were shown to be effectively infected by HBV in vitro.
  • HBV DNA and viral particles were detected in EPCs after infection.
  • Transplantation of HBV-treated EPCs into mice resulted in HBV incorporation into various tissues.

Takeaway

This study shows that special cells in our blood called endothelial progenitor cells can get infected by a virus that usually affects the liver, and then carry that virus to other parts of the body that are hurt.

Methodology

The study involved in vitro infection of human cord blood EPCs with HBV and subsequent transplantation into mouse models to observe HBV trans-infection into tissues.

Limitations

The study does not confirm whether HBV replicates in EPCs or the long-term effects of HBV presence in extrahepatic tissues.

Participant Demographics

Human cord blood from healthy newborn donors was used to isolate EPCs.

Statistical Information

Statistical Significance

p>0.05

Digital Object Identifier (DOI)

10.1186/1743-422X-4-36

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