Studies of GB hepatitis agent in tamarins

Three tamarins (Saguinus labiatus), two of which had previously been infected with hepatitis A virus and parenteral non‐A, non‐B hepatitis, were inoculated intravenously with the agent of GB hepatitis. All three animals developed alanine aminotransferase abnormalities 2, weeks after inoculation. Pea...

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Bibliographic Details
Published in:Hepatology (Baltimore, Md.) Md.), 1989-02, Vol.9 (2), p.186-192
Main Authors: Karayiannis, Peter, Petrovic, Lidija M., Fry, Mark, Moore, Duncan, Enticott, Mike, McGarvey, Michael J., Scheuer, Peter J., Thomas, Howard C.
Format: Article
Language:English
Subjects:
Alanine Transaminase - blood
Animals
Antibodies, Viral - analysis
Biological and medical sciences
Callitrichinae - microbiology
Endoplasmic Reticulum - pathology
Experimental viral diseases and models
Feces - microbiology
Hepatitis Viruses - physiology
Hepatitis, Animal - enzymology
Hepatitis, Animal - microbiology
Hepatitis, Animal - pathology
Hepatovirus - immunology
Immunoglobulin M - analysis
Infectious diseases
Liver - microbiology
Liver - pathology
Medical sciences
Microscopy, Electron
Necrosis
Saguinus - microbiology
Viral diseases
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Summary:Three tamarins (Saguinus labiatus), two of which had previously been infected with hepatitis A virus and parenteral non‐A, non‐B hepatitis, were inoculated intravenously with the agent of GB hepatitis. All three animals developed alanine aminotransferase abnormalities 2, weeks after inoculation. Peak alanine aminotransferase levels were recorded 4 weeks postinoculation. These declined thereafter but continued to fluctuate at abnormal levels for 32 weeks. Liver biopsies showed liver cell swelling and inflammation with focal necrosis. Portal tracts and areas around central veins were heavily infiltrated with mononuclear cells. A fourth animal (no previous exposure to hepatitis viruses) inoculated with GB was killed on Day 15 postinoculation. Serum and extracts of liver and feces from this day were used as inocula for three other animals. Only the serum and liver extract transmitted GB hepatitis. The fecal specimen did not transmit and a fecal extract taken at a later date from another animal was also noninfectious. GB hepatitis virus is distinct from the viruses causing Type A and blood‐borne non‐A, non‐B‐hepatitis. Although the virus is present in serum and has previously been transmitted per os, it is not shed in feces.
ISSN:0270-9139
1527-3350
DOI:10.1002/hep.1840090204