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Infection of chicken cells with three Marek's disease virus (MDV) serotypes interferes with expression of the major histocompatibility complex (MHC or B complex) class I (BF) glycoproteins. BF surface expression is blocked after infection of OU2 cells with MDV serotypes 1, 2, and 3. MDV-induced T-cell tumors suffer a nearly complete loss of cell surface BF upon virus reactivation with 5-bromo-2′-deoxyuridine...
Avian leukosis virus, subgroup J (ALV-J), has a wide host range, preferentially infecting meat-type birds, and produces a high incidence of myelocytomatosis and nephromas. Using the published sequences from HPRS-103 (ALV-J isolated in 1989 in Great Britain), we designed a set of PCR primers that amplified proviral DNA from nine U.S. field samples. The primers were specific for ALV-J, not amplifying...
A cell line (DF-1\J) expressing the envelope protein isolated from the ADOL-Hc1 strain of the avian leukosis virus subgroup J (ALV-J) was used to analyze receptor interference to six different isolates of ALV-J as well as ALV subgroups A–D. The traditional gag-specific enzyme-linked immunosorbent assay (ELISA) as well as flow cytometry was used to evaluate viral infection. The parental cell line (DF-1)...
Previously, we demonstrated that cytotoxic T lymphocytes (CTLs) from MHC: B 19 B 19 and MHC: B 21 B 21 chickens inoculated with a non-oncogenic Marek's disease virus (MDV) vaccine strain, SB-1/12 can lyse syngeneic reticuloendotheliosis virus (REV)-transformed cell lines expressing MDV pp38 or gB genes. In this study, we report the characterization...
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