Avian Leukosis

01/01/2022 - "Recombinant invasive Lactobacillus plantarum expressing the J subgroup avian leukosis virus Gp85 protein induces protection against avian leukosis in chickens."
09/26/2018 - "The gp85 is the main envelope protein of avian leukosis subgroup J (ALV-J) involved in virus neutralization. "
06/01/2006 - "To examine the roles of a short form of p53 in the regulation of apoptosis in chicken lymphoblastoid tumor cell lines derived from Marek's disease (MD) and avian leukosis (AL), the expressions of the p53 proteins were analyzed in these cell lines in which apoptosis was chemically induced. "
04/01/2012 - "The Na(+)/H(+) exchanger 1 (NHE1) transmembrane protein regulates intracellular pH, cell survival, cell growth, cell differentiation and plays a critical role in the progression of some diseases, including the pathogenesis of J avian leukosis. "
03/01/1980 - "Hybridization with the ASV cDNA's demonstrated that the MC29V genome includes about half of the ASV envelope protein gene and that the remainder of the MC29V genome is closely related to nucleotide sequences that are shared among the genomes of many avian leukosis and sarcoma viruses. "

11/01/1984 - "The indirect immunoperoxidase and complement fixation avian leukosis tests were less sensitive. "
10/01/1983 - "A commercial avian leukosis ELISA kit was used to test egg albumen and vaginal swab samples from 103 hens for evidence of shedding of exogenous lymphoid leukosis virus, and the results were compared with those of direct complement fixation and R(-)Q tests on these samples. "
01/01/1970 - "Experiences with complement fixing sera from pigeons in avian leukosis."
07/01/1968 - "The complement-fixation test for avian leukosis."
11/01/1975 - "Avian leukosis virus viremia was observed at 12 and 70 days postinoculation, with the COFAL (complement fixation for avian leukosis) titers similar for quail and chickens. "

12/01/2010 - "The seroprevalence of avian leukosis subgroup J (ALV-J) antibodies was 13.46% (7/52), while ALV-A/B and reticuloendotheliosis virus (REV) antibodies were not detectable. "
04/01/1971 - "[Demonstration of antibodies against avian leukosis using the serum neutralisation test]."
06/01/1996 - "Occupational exposure to poultry and prevalence of antibodies against Marek's disease virus and avian leukosis retroviruses."
04/01/2002 - "Low prevalence of antibodies was recorded for Salmonella enteritidis, avian influenza, avian leukosis and Newcastle disease (2.0 to 4.0%)."
03/01/1969 - "Studies of avian leukosis group-specific complement-fixing serum antibodies in pigeons."

11/15/1977 - "By testing spleen cells from avian leukosis (ALV) and avian sarcoma virus (ASV)-injected Japanese quails in a microcytotoxicity assay against various target cells, we have demonstrated the existence of several target antigens. "
09/01/1976 - "Genetic control of chick helper factor in cells which lack natural group-specific antigen of avian leukosis."
05/01/1972 - "Identification and localization of avian leukosis group-specific antigen within "leukosis-free" chick embryos."
12/01/1970 - "The N-terminal amino acid sequence of two avian leukosis group specific antigens."
10/01/1970 - "Isolation of a second avian leukosis group-specific antigen (gs-b) from avian myeloblastosis virus."

07/01/1993 - "We have generated recombinant proviruses following copackaging of an avian leukosis viral genomic RNA and a neo-containing RNA completely devoid of retroviral sequences. "
03/01/1979 - "The small RNAs contained in virions of avian leukosis and sarcoma viruses are a virus-specific subset of the total small RNA population of the host cell. "
03/01/1979 - "Messenger activity of virion RNA for avian leukosis viral envelope glycoprotein."
06/29/1978 - "Nuclear conversion of microinjected avian leukosis virion RNA into an envelope-glycoprotein messenger."
12/01/1973 - "The RNA template of the endogenous RNA-directed DNA polymerase activity of normal uninfected chicken cells had no detectable relationship to RNAs of avian leukosis-sarcoma and reticuloendotheliosis viruses."

04/01/1977 - "Microinjection analysis of envelope-glycoprotein messenger activities of avian leukosis viral RNAs."
11/01/1996 - "Residue Trp-48 of Tva is critical for viral entry but not for high-affinity binding to the SU glycoprotein of subgroup A avian leukosis and sarcoma viruses."
12/01/1995 - "We recently reported that Tva, the host cell receptor for subgroup A avian leukosis and sarcoma viruses, binds specifically to the subgroup A envelope glycoprotein (Env-A) (J.M. "
12/01/1995 - "Receptor-induced conformational changes in the subgroup A avian leukosis and sarcoma virus envelope glycoprotein."
03/01/1979 - "Messenger activity of virion RNA for avian leukosis viral envelope glycoprotein."

03/01/1999 - "A reverse transcriptase polymerase chain (RT-PCR) assay was developed to detect avian leukosis retrovirus (ALV) in egg albumen. "
06/01/1972 - "These results demonstrate that uninfected chicken embryo cells contain endogenous RNA-directed DNA polymerase activity that is not derived from avian leukosis or reticuloendotheliosis viruses."
03/01/1979 - "Virions of reticuloendotheliosis virus, which contain a reverse transcriptase unrelated to that of the avian leukosis and sarcoma viruses, contained a distinctly different population of small RNAs although both the avian leukosis and sarcoma and the reticuloendotheliosis viruses were grown in chicken cells. "
12/01/1973 - "The RNA template of the endogenous RNA-directed DNA polymerase activity of normal uninfected chicken cells had no detectable relationship to RNAs of avian leukosis-sarcoma and reticuloendotheliosis viruses."
03/01/1979 - "Because the primer for avian leukosis and sarcoma virus RNA-dependent DNA synthesis is a host cell tRNA, the differences in reverse transcriptase small RNA selection may help explain the failure of different species of retrovirus to complement for the reverse transcriptase."

01/01/1972 - "Avian leukosis antibody response in individuals given chicken embryo derived vaccines."
04/01/1975 - "Only yellow fever and measles vaccines known to have been produced in avian leukosis-contaminated cells showed evidence of type-C viruses using the assay. "
06/01/2006 - "Our methods are proposed as complementary procedures to the currently required complement fixation for avian leukosis test for detection of ALV in commercial poultry vaccines."

03/01/2009 - "Comparisons of SD07LK1 sequence with that of the other Avian leukosis viruse strains, by using DNAstar software, demonstrated that the genes gag and pol of ALV-J were relatively conservative, the nucleotide identity of all the strains was over 95.0%. "
01/01/1977 - "The infectious DNAs of a number of avian leukosis-sarcoma and reticuloendotheliosis viruses were digested with six nucleotide-specific restriction endonucleases, and the digests were tested for infectivity. "
01/01/1988 - "Fluororotic acid, an orotic acid analogue which interferes with the nucleotide and RNA biosynthesis, was tested to determine its effect on: a) 14C-glucosamine and 14C-N-acetylmannosamine incorporation into acid-soluble nucleotide-sugars and into b) glycoconjugates from chicken liver and hepatoma induced by the avian leukosis strain Mc-29. "

10/01/1983 - "The use of ELISA for detection of exogenous and endogenous avian leukosis viral antigens in basic breeding flocks."
08/01/1979 - "Gs, an allele of chickens for endogenous avian leukosis viral antigens, segregates with ev 3, a genetic locus that contains structural genes for virus."
01/01/1995 - "We used a modified commercial ELISA kit to test for antibodies to avian leukosis/sarcoma and reticuloendotheliosis viral antigens in the sera of 45 poultry workers and their matched controls. "

03/01/1967 - "Detection of avian leukosis viremia in chicks by transplantation of Bryan strain Rous sarcoma hamster tumors."