Posttransfusion non-A, non-B hepatitis in chimpanzees. Physicochemical evidence that the tubule-forming agent is a small, enveloped virus.

Abstract

Posttransfusion non-A, non-B hepatitis associated with the formation of hepatocyte cytoplasmic tubules was experimentally transmitted to chimpanzees by intravenous inoculation of a proven-infectious plasma that had been pelleted and microfiltrated, or purified by a combination of pelleting and rate-zonal banding. The results of these studies indicate that a factor VIII-derived non-A, non-B tubule-forming agent will pass through an 80-nm membrane filter and that it can be recovered from infected plasma by use of a purification procedure that assumes the non-A, non-B tubule-forming agent is a small, enveloped virus. Our findings, in combination with the known sensitivity of the non-A, non-B tubule-forming agent to chloroform and its apparent lack of nucleic acid homology with hepatitis B virus, further suggest that at least one etiologic agent of human posttransfusion non-A, non-B hepatitis may be a small, enveloped RNA virus.

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