Published in Proc Natl Acad Sci U S A on October 01, 1977
Biochemical evidence that MCF murine leukemia viruses are envelope (env) gene recombinants. Proc Natl Acad Sci U S A (1977) 6.80
Lymphomagenicity of recombinant mink cell focus-inducing murine leukemia viruses. J Exp Med (1980) 5.05
Sequence-specific antibodies show that maturation of Moloney leukemia virus envelope polyprotein involves removal of a COOH-terminal peptide. Proc Natl Acad Sci U S A (1981) 3.13
Heteroduplex analysis of the sequence relations between the RNAs of mink cell focus-inducing and murine leukemia viruses. J Virol (1978) 2.79
Helper-independent mink cell focus-inducing strains of Friend murine type-C virus: potential relationship to the origin of replication-defective spleen focus-forming virus. J Exp Med (1978) 2.48
Envelope gene sequences which encode the gp52 protein of spleen focus-forming virus are required for the induction of erythroid cell proliferation. J Virol (1982) 2.39
Identification of a 30S RNA with properties of a defective type C virus in murine cells. J Virol (1978) 2.34
Complete nucleotide sequence of an infectious clone of Friend spleen focus-forming provirus: gp55 is an envelope fusion glycoprotein. Proc Natl Acad Sci U S A (1983) 2.23
Complete amino acid sequence and glycosylation sites of glycoprotein gp71A of Friend murine leukemia virus. Proc Natl Acad Sci U S A (1982) 2.06
Different rat-derived transforming retroviruses code for an immunologically related intracellular phosphoprotein. Proc Natl Acad Sci U S A (1979) 1.98
Mutant of B-tropic murine leukemia virus synthesizing an altered polymerase molecule. J Virol (1979) 1.90
Glycoprotein encoded by the Friend spleen focus-forming virus. J Virol (1979) 1.89
Envelope gene of the Friend spleen focus-forming virus: deletion and insertions in 3' gp70/p15E-encoding region have resulted in unique features in the primary structure of its protein product. Proc Natl Acad Sci U S A (1983) 1.87
Complete nucleotide sequence of the gene for the specific glycoprotein (gp55) of Friend spleen focus-forming virus. Proc Natl Acad Sci U S A (1983) 1.86
Biological activity of the spleen focus-forming virus is encoded by a molecularly cloned subgenomic fragment of spleen focus-forming virus DNA. Proc Natl Acad Sci U S A (1981) 1.86
Differences in glycosylation patterns of closely related murine leukemia viruses. Proc Natl Acad Sci U S A (1980) 1.79
Subgenomic fragment of molecular cloned Friend murine leukemia virus DNA contains the gene(s) responsible for Friend murine leukemia virus-induced disease. J Virol (1980) 1.73
The membrane glycoprotein of Friend spleen focus-forming virus: evidence that the cell surface component is required for pathogenesis and that it binds to a receptor. J Virol (1987) 1.67
Mapping host range-specific oligonucleotides within genomes of the ecotropic and mink cell focus-inducing strains of Moloney murine leukemia virus. J Virol (1978) 1.62
Characterization of proviruses cloned from mink cell focus-forming virus-infected cellular DNA. J Virol (1982) 1.60
Three laboratory strains of spleen focus-forming virus: comparison of their genomes and translational products. J Virol (1980) 1.60
Loss of leukemogenicity caused by mutations in the membrane glycoprotein structural gene of Friend spleen focus-forming virus. Proc Natl Acad Sci U S A (1983) 1.47
Plasma membrane glycoproteins encoded by cloned Rauscher and Friend spleen focus-forming viruses. J Virol (1980) 1.46
Spleen focus-forming Friend virus: identification of genomic RNA and its relationship to helper virus RNA. J Virol (1979) 1.45
Mechanism of leukemogenesis induced by mink cell focus-forming murine leukemia viruses. J Virol (1991) 1.44
Molecular cloning of biologically active Rauscher spleen focus-forming virus and the sequences of its env gene and long terminal repeat. J Virol (1984) 1.38
Abelson antigen: a viral tumor antigen that is also a differentiation antigen of BALB/c mice. Proc Natl Acad Sci U S A (1978) 1.32
Molecular dissection of Rauscher virus gp70 by using monoclonal antibodies: localization of acquired sequences of related envelope gene recombinants. Proc Natl Acad Sci U S A (1980) 1.26
In vitro construction of a B-tropic virus by recombination: B-tropism is a cryptic phenotype of xenotropic murine retroviruses. Proc Natl Acad Sci U S A (1980) 1.25
Endogenous xenotropic murine leukemia virus-related sequences map to chromosomal regions encoding mouse lymphocyte antigens. J Virol (1984) 1.23
Analysis of translational products of Friend strain of spleen focus-forming virus. J Virol (1978) 1.19
Viral protein expression in producer and nonproducer clones of friend erythroleukemia cell lines. J Virol (1981) 1.12
A tagged helper-free Friend virus causes clonal erythroblast immortality by specific proviral integration in the cellular genome. J Virol (1988) 1.11
Analysis of spleen focus-forming virus-specific RNA sequences coding for spleen focus-forming virus-specific glycoprotein with a molecular weight of 55,000 (gp55). J Virol (1980) 1.09
Analysis of the myeloproliferative sarcoma virus genome: limited changes in the prototype lead to altered target cell specificity. J Virol (1981) 1.07
Immunoselection of mutants deficient in cell surface glycoproteins encoded by murine erythroleukemia viruses. Proc Natl Acad Sci U S A (1980) 1.05
Murine leukemia virus proteins expressed on the surface of infected cells in culture. J Virol (1980) 1.05
Subcellular localization of the env-related glycoproteins in Friend erythroleukemia cells. J Virol (1981) 1.04
Replication-defective ecotropic murine leukemia viruses: Detection and quantitation of infectivity using helper-dependent XC plaque formation. J Virol (1978) 1.03
Molecular cloning of biologically active proviral DNA of the anemia-inducing strain of spleen focus-forming virus. J Virol (1982) 1.00
The detection of a spleen focus-forming virus neoantigen by lymphocyte-mediated cytolysis. J Exp Med (1978) 0.98
Role of a membrane glycoprotein in Friend virus erythroleukemia: nucleotide sequences of nonleukemogenic mutant and spontaneous revertant viruses. J Virol (1986) 0.97
Changes in genome composition of the Friend virus complex in erythroleukemia cells during the course of differentiation induced by dimethyl sulfoxide. Proc Natl Acad Sci U S A (1978) 0.96
Mutations in the env gene of friend spleen focus-forming virus overcome Fv-2r-mediated resistance to Friend virus-induced erythroleukemia. J Virol (1992) 0.95
Characterization of genome structure of amphotropic and ecotropic wild mouse retroviruses. J Virol (1982) 0.95
Molecular properties of a gag- pol- env+ murine leukemia virus from cultured AKR lymphoma cells. J Virol (1982) 0.95
Expression of xenotropic-like env RNA sequences in normal DBA/2 and NZB mouse tissues. J Virol (1984) 0.95
Genetic structure of Rauscher spleen focus-forming virus. J Virol (1983) 0.92
Integration of spleen focus-forming virus proviruses in Friend tumor cells. J Virol (1985) 0.92
Analysis of integrated proviral DNA sequences with an octadecanucleotide probe designed for specific identification of spleen focus-forming virus in the mouse genome. J Virol (1986) 0.89
In vitro induction of T-lymphocyte-mediated cytotoxicity by infectious murine type C oncornaviruses. J Exp Med (1979) 0.89
Inheritance of susceptibility to the myeloproliferative sarcoma virus: effect of the Fv-2 locus and evidence for a myeloproliferative sarcoma virus resistance locus. J Virol (1981) 0.88
Protection from spontaneous lymphoma development in SJL/J(v+) mice neonatally injected with dualtropic SJL-151 virus. Proc Natl Acad Sci U S A (1983) 0.80
Tryptic peptide analysis of gag gene proteins of endogenous mouse type C viruses. J Virol (1979) 0.79
Specific neutralization of defective spleen focus-forming virus in Friend virus complex by rat antiserum. J Virol (1979) 0.77
Spontaneous regression of Friend virus-induced erythroleukemia. VI. Structural and antigenic differences between the regressing and conventional strains of virus. J Virol (1980) 0.75
Plaque assay techniques for murine leukemia viruses. Virology (1970) 29.21
Ribonucleic acid isolated by cesium chloride centrifugation. Biochemistry (1974) 19.75
A new class of murine leukemia virus associated with development of spontaneous lymphomas. Proc Natl Acad Sci U S A (1977) 13.96
Cell-free transmission in adult Swiss mice of a disease having the character of a leukemia. J Exp Med (1957) 12.19
Naturally occurring murine leukemia viruses in wild mice: characterization of a new "amphotropic" class. J Virol (1976) 9.33
Kinetic complexity of RNA molecules. J Mol Biol (1972) 9.07
Virus-specific ribonucleic acid in cells producing rous sarcoma virus: detection and characterization. J Virol (1972) 6.38
A novel murine oncornavirus with dual eco- and xenotropic properties. Proc Natl Acad Sci U S A (1975) 5.91
Isolation of murine sarcoma virus-transformed mouse cells which are negative for leukemia virus from agar suspension cultures. Int J Cancer (1970) 5.48
Studies on the nucleic acid sequences of Kirsten sarcoma virus: a model for formation of a mammalian RNA-containing sarcoma virus. J Virol (1973) 5.28
RNA in mammalian sarcoma virus transformed nonproducer cells homologous to murine leukemia virus RNA. Virology (1973) 5.04
A type-C virus in human rhabdomyosarcoma cells after inoculation into NIH Swiss mice treated with antithymocyte serum. Proc Natl Acad Sci U S A (1973) 4.55
Friend strain of spleen focus-forming virus: a recombinant between mouse type C ecotropic viral sequences and sequences related to xenotropic virus. J Virol (1977) 3.70
Separation of sarcoma virus-specific and leukemia virus-specific genetic sequences of Moloney sarcoma virus. Proc Natl Acad Sci U S A (1975) 3.28
Translation of murine leukemia virus RNA in cell-free systems from animal cells. J Virol (1976) 2.94
Editorial: Spleen focus-forming virus in Friend and Rauscher leukemia virus preparations. J Natl Cancer Inst (1975) 2.83
Immunological relationships of reverse transcriptases from ribonucleic acid tumor viruses. J Virol (1972) 2.65
Isolation of a fibroblast nonproducer cell line containing the Friend strain of the spleen focus-forming virus. Virology (1977) 2.47
Deletion mapping of moloney type C virus: polypeptide and nucleic acid expression in different transforming virus isolates. J Virol (1976) 2.39
Characterizatiion of rat genetic sequences of Kirsten sarcoma virus: distinct class of endogenous rat type C viral sequences. J Virol (1976) 2.09
Murine sarcoma virus defectiveness. Viral polymerase expression murine and nonmurine host cells transformed by S+L-type murine sarcoma virus. Virology (1975) 1.28
Malignant transformation and erythroid differentiation by polycythaemia-inducing Friend virus. Nat New Biol (1971) 1.21
Mechanism of activation of a human oncogene. Nature (1982) 12.09
Active human immunodeficiency virus protease is required for viral infectivity. Proc Natl Acad Sci U S A (1988) 10.77
Monoclonal antibodies to the p21 products of the transforming gene of Harvey murine sarcoma virus and of the cellular ras gene family. J Virol (1982) 8.88
The p21 src genes of Harvey and Kirsten sarcoma viruses originate from divergent members of a family of normal vertebrate genes. Nature (1981) 8.44
Helper-independent transformation by unintegrated Harvey sarcoma virus DNA. J Virol (1978) 7.75
Whole-genome association study of bipolar disorder. Mol Psychiatry (2008) 6.80
Induction of murine C-type viruses from clonal lines of virus-free BALB-3T3 cells. Science (1971) 6.71
Intrinsic GTPase activity distinguishes normal and oncogenic ras p21 molecules. Proc Natl Acad Sci U S A (1984) 6.45
Cloning of bovine GAP and its interaction with oncogenic ras p21. Nature (1988) 5.56
Analysis of two divergent rat genomic clones homologous to the transforming gene of Harvey murine sarcoma virus. Proc Natl Acad Sci U S A (1981) 5.51
ras-Related gene sequences identified and isolated from Saccharomyces cerevisiae. Nature (1984) 5.32
Studies on the nucleic acid sequences of Kirsten sarcoma virus: a model for formation of a mammalian RNA-containing sarcoma virus. J Virol (1973) 5.28
Tumorigenic transformation of mammalian cells induced by a normal human gene homologous to the oncogene of Harvey murine sarcoma virus. Nature (1982) 5.08
RNA in mammalian sarcoma virus transformed nonproducer cells homologous to murine leukemia virus RNA. Virology (1973) 5.04
A genomic screen of autism: evidence for a multilocus etiology. Am J Hum Genet (1999) 4.96
Transfection of molecularly cloned Friend murine leukemia virus DNA yields a highly leukemogenic helper-independent type C virus. J Virol (1980) 4.91
The transforming proteins of Rous sarcoma virus, Harvey sarcoma virus and Abelson virus contain tightly bound lipid. Cell (1982) 4.66
Dual evolutionary origin for the rat genetic sequences of Harvey murine sarcoma virus. J Virol (1980) 4.63
Construction and isolation of a transmissible retrovirus containing the src gene of Harvey murine sarcoma virus and the thymidine kinase gene of herpes simplex virus type 1. J Virol (1981) 4.54
Rapid carbohydrate utilization test for the identification of Neisseria gonorrhoeae. Br J Vener Dis (1976) 4.47
Guanine nucleotide-binding and autophosphorylating activities associated with the p21src protein of Harvey murine sarcoma virus. Nature (1980) 4.43
Localization of the src gene product of the Harvey strain of MSV to plasma membrane of transformed cells by electron microscopic immunocytochemistry. Cell (1980) 4.35
Guanine nucleotide-binding activity as an assay for src protein of rat-derived murine sarcoma viruses. Proc Natl Acad Sci U S A (1979) 4.34
Requirement of either of a pair of ras-related genes of Saccharomyces cerevisiae for spore viability. Nature (1984) 4.23
Human endothelial cell growth factor: cloning, nucleotide sequence, and chromosome localization. Science (1986) 4.17
Cultural diagnosis of gonorrhoea with modified New York City (MNYC) medium. Br J Vener Dis (1978) 4.11
Harvey sarcoma virus: a second murine type C sarcoma virus with rat genetic information. J Virol (1974) 3.92
Molecular cloning of the Harvey sarcoma virus closed circular DNA intermediates: initial structural and biological characterization. J Virol (1979) 3.90
Separation of murine cellular and murine leukaemia virus DNA polymerases. Nat New Biol (1971) 3.71
Friend strain of spleen focus-forming virus: a recombinant between mouse type C ecotropic viral sequences and sequences related to xenotropic virus. J Virol (1977) 3.70
Mutant ras-encoded proteins with altered nucleotide binding exert dominant biological effects. Proc Natl Acad Sci U S A (1986) 3.59
Nucleotide sequence of the p21 transforming protein of Harvey murine sarcoma virus. Science (1982) 3.55
Human genome contains four genes homologous to transforming genes of Harvey and Kirsten murine sarcoma viruses. Proc Natl Acad Sci U S A (1982) 3.48
Separation of sarcoma virus-specific and leukemia virus-specific genetic sequences of Moloney sarcoma virus. Proc Natl Acad Sci U S A (1975) 3.28
Radioimmunoassay of mammalian type C viral proteins. I. Species specific reactions of murine and feline viruses. J Immunol (1972) 3.23
Proposal for naming host cell-derived inserts in retrovirus genomes. J Virol (1981) 3.18
Identification of effector residues and a neutralizing epitope of Ha-ras-encoded p21. Proc Natl Acad Sci U S A (1986) 3.11
Mammalian and yeast ras gene products: biological function in their heterologous systems. Science (1985) 3.03
p21 of Kirsten murine sarcoma virus is thermolabile in a viral mutant temperature sensitive for the maintenance of transformation. J Virol (1979) 2.94
Comparative biochemical properties of p21 ras molecules coded for by viral and cellular ras genes. J Virol (1982) 2.91
Radioimmunoassay of mammalian type-C viral proteins: interspecies antigenic reactivities of the major internal polypeptide. Proc Natl Acad Sci U S A (1972) 2.90
Identification of a precursor in the biosynthesis of the p21 transforming protein of harvey murine sarcoma virus. J Virol (1982) 2.89
IUSTI: 2008 European Guidelines on the Management of Syphilis. Int J STD AIDS (2009) 2.85
Yeast and mammalian ras proteins have conserved biochemical properties. Nature (1985) 2.85
Distinct mechanism for antidepressant activity by blockade of central substance P receptors. Science (1998) 2.83
Heteroduplex analysis of the sequence relations between the RNAs of mink cell focus-inducing and murine leukemia viruses. J Virol (1978) 2.79
Treponema pallidum haemagglutination test as a screening procedure for the diagnosis of syphilis. Br J Vener Dis (1974) 2.76
Immunological characterization of primate C-type virus reverse transcriptases. Nat New Biol (1972) 2.73
Type C particle-positive and type C particle-negative rat cell lines: characterization of the coding capacity of endogenous sarcoma virus-specific RNA. J Virol (1976) 2.67
Comparison of the genomic organization of Kirsten and Harvey sarcoma viruses. J Virol (1978) 2.66
Immunological relationships of reverse transcriptases from ribonucleic acid tumor viruses. J Virol (1972) 2.65
Accelerated improvement of alcoholic liver disease with enteral nutrition. Gastroenterology (1992) 2.65
Selective inhibition of ras-dependent transformation by a farnesyltransferase inhibitor. Science (1993) 2.60
Rapid leukemia induced by cloned friend strain of replicating murine type-C virus. Association with induction of xenotropic-related RNA sequences contained in spleen focus-forming virus. Virology (1978) 2.56
UK National Guidelines on the Management of Syphilis 2008. Int J STD AIDS (2008) 2.53
Modulation of guanine nucleotides bound to Ras in NIH3T3 cells by oncogenes, growth factors, and the GTPase activating protein (GAP). J Biol Chem (1990) 2.49
Helper-independent mink cell focus-inducing strains of Friend murine type-C virus: potential relationship to the origin of replication-defective spleen focus-forming virus. J Exp Med (1978) 2.48
Isolation of a fibroblast nonproducer cell line containing the Friend strain of the spleen focus-forming virus. Virology (1977) 2.47
Nature and distribution of feline sarcoma virus nucleotide sequences. J Virol (1979) 2.47
All autophosphorylation sites of epidermal growth factor (EGF) receptor and HER2/neu are located in their carboxyl-terminal tails. Identification of a novel site in EGF receptor. J Biol Chem (1989) 2.46
Functional organization of the Harvey murine sarcoma virus genome. J Virol (1980) 2.46
Flat revertants isolated from Kirsten sarcoma virus-transformed cells are resistant to the action of specific oncogenes. Proc Natl Acad Sci U S A (1983) 2.44
Purification of ras GTPase activating protein from bovine brain. Proc Natl Acad Sci U S A (1988) 2.41
Deletion mapping of moloney type C virus: polypeptide and nucleic acid expression in different transforming virus isolates. J Virol (1976) 2.39
Envelope gene sequences which encode the gp52 protein of spleen focus-forming virus are required for the induction of erythroid cell proliferation. J Virol (1982) 2.39
RNA dependent DNA polymerase activity in mammalian cells. Nature (1971) 2.37
Dexamethasone stimulation of murine mammary tumor virus expression: a tissue culture source of virus. Science (1974) 2.34
Identification of a 30S RNA with properties of a defective type C virus in murine cells. J Virol (1978) 2.34
Defective retrovirus-like 30S RNA species of rat and mouse cells are infectious if packaged by type C helper virus. J Virol (1979) 2.34
Steroid induction of mouse mammary tumor virus: effect upon synthesis and degradation of viral RNA. J Virol (1977) 2.26
Genetic restriction of HIV-1 pathogenesis to AIDS by promoter alleles of IL10. Proc Natl Acad Sci U S A (2000) 2.24
Evaluation of seroreactivity to human papillomavirus type 16 virus-like particles in an incident case-control study of cervical neoplasia. J Infect Dis (1995) 2.21
Identification of a normal vertebrate cell protein related to the p21 src of Harvey murine sarcoma virus. Virology (1980) 2.15
A C-terminal domain of GAP is sufficient to stimulate ras p21 GTPase activity. EMBO J (1989) 2.14
Radioimmunoassay of mammalian type C viral proteins. 3. Detection of viral antigen in normal murine cells and tissues. J Exp Med (1973) 2.13
Nucleotide sequence of two rasH related-genes isolated from the yeast Saccharomyces cerevisiae. Nucleic Acids Res (1984) 2.10
Genome-wide association study in a Swedish population yields support for greater CNV and MHC involvement in schizophrenia compared with bipolar disorder. Mol Psychiatry (2012) 2.09
Characterizatiion of rat genetic sequences of Kirsten sarcoma virus: distinct class of endogenous rat type C viral sequences. J Virol (1976) 2.09
Noninvasive monitoring of tumor metabolism using fluorodeoxyglucose and positron emission tomography in colorectal cancer liver metastases: correlation with tumor response to fluorouracil. J Clin Oncol (1996) 2.08
Differential effects of the absence of interferon-gamma and IL-4 in acute graft-versus-host disease after allogeneic bone marrow transplantation in mice. J Clin Invest (1998) 2.06
Transformation by cloned Harvey murine sarcoma virus DNA: efficiency increased by long terminal repeat DNA. Science (1980) 2.05
Routine antenatal screening for syphilis in Lothian: a study of the results 1988 to 1994. Br J Obstet Gynaecol (1997) 2.01
Different rat-derived transforming retroviruses code for an immunologically related intracellular phosphoprotein. Proc Natl Acad Sci U S A (1979) 1.98
The treatment of pharyngeal gonorrhoea with a single oral dose of cefixime. Int J STD AIDS (2007) 1.94
Functional analysis of the ligand binding site of EGF-receptor utilizing chimeric chicken/human receptor molecules. EMBO J (1989) 1.90
Primate and murine type-C viral nucleic acid association kinetics: analysis of model systems and natural tissues. J Virol (1974) 1.89
Levels of rat cellular RNA homologous to either Kirsten sarcoma virus or rat type-C virus in cell lines derived from Osborne-Mendel rats. J Virol (1974) 1.86
Biological activity of the spleen focus-forming virus is encoded by a molecularly cloned subgenomic fragment of spleen focus-forming virus DNA. Proc Natl Acad Sci U S A (1981) 1.86
Antibody to the RNA-dependent DNA polymerase of mammalian C-type RNA tumor viruses. Proc Natl Acad Sci U S A (1971) 1.86
Base sequence differences between the RNA components of Harvey sarcoma virus. J Virol (1975) 1.84
Anthrax lethal factor inhibition. Proc Natl Acad Sci U S A (2005) 1.83