Results 131 to 140 of about 71,201 (184)
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Cytoskeletal changes induced by two avian sarcoma viruses: UR2 and Rous Sarcoma Virus
Virology, 1984UR2-transformed cells were examined by immunofluorescence and compared to control cells and cells transformed by Rous Sarcoma Virus (RSV). Actin and tubulin which are normally depolymerized in RSV-transformed cells appeared to be unaffected by UR2 transformation.
M F, Notter, P C, Balduzzi
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The NP Activation Test for Assay of Avian Leukosis/Sarcoma Viruses
Avian Diseases, 1970SUMMARY Procedures are described for routine isolation and production of nonproducing Rous sarcoma cells (NP cells) and for use of these cells in the NP activation test for assay of avian leukosis/sarcoma viruses. The NP activation test was found to be sensitive, reproducible, easy to perform, and highly reliable.
B H, Rispens +3 more
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An Enzyme-Linked Immunosorbent Assay for Detecting Avian Leukosis-Sarcoma Viruses
Avian Diseases, 1979Immunoglobulins from antiserum raised against chromatographically purified avian myeloblastosis virus (AMV) group-specific (gs) antigens were used in enzyme-linked immunosorbent assay (ELISA). Readily discernible color was produced with 2--3 ng of AMV protein in microplate wells coated with 4 micrograms of salt-precipitated immunoglobulins.
E J, Smith, A, Fadly, W, Okazaki
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Class II defective avian sarcoma viruses: Comparative analysis of genome structure
Virology, 1982Abstract The genomes of class II avian sarcoma viruses PRCII, PRCII-p, PRCIV, and Fujinami sarcoma virus (FSV), were studied by oligonucleotide fingerprinting, heteroduplex mapping, and nucleic acid hybridization. All of these viruses are genetically defective and have a small RNA genome between 4.5 and 6.1 kilobases (kb) in length.
T C, Wong +4 more
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Sensitivity to γ rays of avian sarcoma and murine leukemia viruses
Virology, 1980Abstract The direct inactivation of avian and murine oncoviruses by γ rays was examined using 60 Co as a γ-ray source. The inactivation of murine leukemia virus (M-MuLV) followed single-hit kinetics with a target size comparable to the molecular weight of its genomic RNA.
K, Toyoshima +5 more
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PRCII, a Representative of a New Class of Avian Sarcoma Viruses
1981The Poultry Research Center Virus II (PRC II) is a replication-defective avian sarcoma virus with envelope determinants of the A and B subgroups. In nonproducing cells transformed by PRCII the products of the replicative genes gag, pol, and env are not demonstrable, but a single polyprotein of Mr 105,000 (p105) can be detected.
P K, Vogt +3 more
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Murine xenotropic type C viruses III. Phenotypic mixing with avian leukosis and sarcoma viruses
Virology, 1977Abstract Phenotypic mixing has been demonstrated between murine and avian type C viruses. Pseudotypes of Rous sarcoma virus (RSV) have been obtained which carry envelope determinants derived from xenotropic or ecotropic murine leukemia viruses (MuLV).
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DNA related to the transforming gene(s) of avian sarcoma viruses is present in normal avian DNA
Nature, 1976D. Stéhelin +3 more
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Surface Alterations in Cells Infected by Avian Leukosis-Sarcoma Viruses
1976The regulatory mechanisms involved in morphogenesis and in the subsequent maintenance of the differentiated state are poorly understood. However, it is clear that ontogenesis requires that cell proliferation and differentiation be strictly controlled to ensure appropriate development of the organism. If we accept hypothetically that it is primarily the
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International Journal of Cancer, 1972
J. Stephenson, E. Scolnick, S. Aaronson
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J. Stephenson, E. Scolnick, S. Aaronson
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