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J Med Virol. 2000 Jan;60(1):28-33.

Serological and histological findings in infection and transmission of GBV-C/HGV to macaques.

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Department of Immunology, Institute of Infectious Diseases, Beijing, P.R. China.


Seven healthy macaques were inoculated with the GBV-C/HGV-RNA serum from a non-A-E hepatitis patient. The serology and pathology of the liver in the animals were observed. The results indicated that all inoculated animals were infected with a GBV-C/HGV-RNA viremia and had mildly abnormal alanine transaminase levels during the infectious period. The histology, immuno-histochemistry, and in situ hybridization in the liver tissues of the inoculated animals also showed that there was a very mild hepatitis with the positive antigenic expression and the genome of GBV-C/HGV-NS5 in hepatocytes. The pathological changes in the infected animals appeared to become normal whether or not GBV-C/HGV-RNA viremia persisted. There is a possibility that the mild virulence of the GBV-C/HGV to the host became harmless with time after inoculation. Infection and the transmission of the GBV-C/HGV virus in the macaques provides an appropriate animal model and new information about GBV-C/HGV infection in both humans and animals. It is possible that this virus is a mild and self-limited pathogenic agent to the hepatic cells of primates.

[Indexed for MEDLINE]

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