Pathobiology and subgroup specificity of disease induced by Rous associated virus 7 (RAV-7)
Thesis/Dissertation
·
OSTI ID:6005357
When Rous associated virus 7 (RAV-7) was injected intravenously into 10-day old chicken embryos, a disease syndrome developed which was characterized by stunting, hyperlipidemia, hypothyroidism, and hyperinsulinemia. Stocks of RAV-7, a subgroup C avian leukosis virus, were obtained by end-point purification on chick embryo fibroblast cells. The size of the viral RNA was 8.2 kb and the protein banding pattern on polyacrylamide gels was typical of avian leukosis viruses. These results indicated that RAV-7 was a non-defective avian leukosis virus and no sarcoma or defective leukemia viruses were present in the RAV-7 stock. RAV-7 induced a unique disease syndrome although infection by three other subgroup C avian leukosis viruses (tdB77, tdPrC, and RAV-49) resulted in an identical lymphoblastoid infiltration of the thyroid and pancreas. An examination of disease induced by avian leukosis viruses from subgroups A, B, D, and F showed that infection by any of these subgroups did not result in the typical RAV-7 disease syndrome.
- OSTI ID:
- 6005357
- Country of Publication:
- United States
- Language:
- English
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