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Affiliation(s)
- M B Gardner
- Department of Pathology, School of Medicine, University of California, Davis 95616
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Abstract
Different populations of wild mice (Mus musculus domesticus) in Los Angeles and Ventura Counties were observed over their lifespan in captivity for expression of infectious murine leukemia virus (MuLV) and murine mammary tumor virus (MMTV) and for the occurrence of cancer and other diseases. In most populations of feral mice these indigenous retroviruses were infrequently expressed and cancer seldom occurred until later in life (> 2 years old). MMTV was found in the milk of about 50% of wild mice, but was associated with only a low incidence (> 1%) of breast cancer after one year of age. By contrast, in several populations, most notably at a squab farm near Lake Casitas (LC), infectious MuLV acquired at birth via milk was highly prevalent, and the infected mice were prone to leukemia and a lower motor neuron paralytic disease after one year of age. These two diseases were both caused by the same infectious (ecotropic) strain of MuLV and were the principal cause of premature death in these aging LC mice. A dominant gene called FV-4R restricting the infection with ecotropic MuLV was found segregating in LC mice. Mice inheriting this FV-4R allele were resistant to the ecotropic MuLV associated lymphoma and paralysis. The FV-4R allele represents a defective endogenous MuLV provirus DNA segment that expresses an ecotropic MuLV envelope-related glycoprotein (gp70) on the cell surface. This FV-4R encoded gp70 presumably occupies the receptor for ecotropic MuLV and blocks entry of the virus. The FV-4R gene was probably acquired by the naturally occurring crossbreeding of LC feral mice with another species of feral mice (Mus castaneus) from Southeast Asia. The FV-4R gp70 does not block entry of the amphotropic MuLV that uses a separate cell surface receptor. Therefore LC mice continued to be susceptible to the highly prevalent but weakly lymphogenic and nonparalytogenic amphotropic strain of MuLV. The study points out the potential of feral populations to reveal genes associated with specific disease resistance.
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Affiliation(s)
- M B Gardner
- Department of Pathology, University of California, School of Medicine, Davis 95616
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Kuff EL, Lueders KK. The intracisternal A-particle gene family: structure and functional aspects. Adv Cancer Res 1988; 51:183-276. [PMID: 3146900 DOI: 10.1016/s0065-230x(08)60223-7] [Citation(s) in RCA: 265] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- E L Kuff
- Laboratory of Biochemistry, National Cancer Institute, Bethesda, Maryland. 20892
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Abstract
This is the first of two papers describing the naturally occurring retroviruses (RNA tumor viruses). Here, the general properties of these viruses and the biology of the fish, reptilian, chicken, and mouse retroviruses are described. In the next issue of Cancer Investigation the biologic properties of the cat, cattle, primate, and newly discovered human retroviruses will be discussed.
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Key Words
- sv40, simian virus 40
- mulv, murine leukemia virus
- msv, murine sarcoma virus
- mu-mtv, mouse mammary tumor virus
- mvm, minute virus of mice
- vsv, vesicular stomatitis virus
- mcmv, mouse cytomegalovirus
- emv, encephalomyocarditis virus
- (mo), moloney
- (ra), rauscher
- (f), friend
- (a), abelsen
- (ha), harvey
- (ki), kirsten
- iap, intracisternal type a particles
- pys, parietal yolk sac
- tk, thymidine kinase
- tsta, tumor-specific transplantation antigen
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BERRY RJ. Town Mouse, Country Mouse: adaptation and adaptability in Mus domesticus (M. musculus domesticus). Mamm Rev 1981. [DOI: 10.1111/j.1365-2907.1981.tb00001.x] [Citation(s) in RCA: 64] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Rice MC, Gardner MB, O'Brien SJ. Genetic diversity in leukemia-prone feral house mice infected with murine leukemia virus. Biochem Genet 1980; 18:915-28. [PMID: 6261732 DOI: 10.1007/bf00500124] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The Lake Casitas (LC) mouse population located in south western Ventura county in California is unusual insofar as 85% of these mice are persistently viremic with congenitally transmitted murine leukemia virus (MuLV). The virus has been identified as the etiological agent responsible for lymphoma and neuromotor paralysis in large numbers of the mice. The majority of other wild mouse populations are generally free of infectious MuLV despite the presence of endogenous cellular DNA sequences homologous to infectious virus isolated from wild mice. Electrophoretic variation in 46 gene-enzyme systems was surveyed using mice from Lake Casitas and from a virus-negative population located in Bouquet Canyon (BC) approximately 40 miles from Lake Casitas. The LC and BC populations are genetically very similar to each other and to feral mouse populations previously studied in California and Europe. In the LC population 24% of the loci are polymorphic compared to 17% in the BC population. The average heterozygosities for the LC and Bc populations are 0.094 and 0.073, respectively. The large amount of genic variation in LC fails to support the concept of the derivation of the colony from a small number of founders. Tests for linkage disequilibrium and/or selective association of viremia and polymorphism at 15 loci located on nine mouse chromosomes did not reveal any nonrandom assortments. The viremic LC population, then, appears indistinguishable within the limits of experimental resolution from the virus-negative BC population in its population genetic structure.
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Jolicoeur P, Rassart E, Kozak C, Ruddle F, Baltimore D. Distribution of endogenous murine leukemia virus DNA sequences among mouse chromosomes. J Virol 1980; 33:1229-35. [PMID: 6245275 PMCID: PMC288660 DOI: 10.1128/jvi.33.3.1229-1235.1980] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
We used mouse-Chinese hamster somatic cell hybrids which lose mouse chromosomes to examine the distribution of murine leukemia virus DNA sequences in the genome of A/HeJ mice. We analyzed total cellular DNA from various hybrid clones for the presence of viral sequences by molecular hybridization and used the Southern blot hybridization procedure to identify viral DNA in cellular restriction endonuclease fragments. Our results show that murine leukemia virus DNA sequences are distributed among many mouse chromosomes in this strain. Chromosome 4 was shown to contain murine leukemia virus DNA sequences.
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Gardner MB. Type C viruses of wild mice: characterization and natural history of amphotropic, ecotropic, and xenotropic MuLv. Curr Top Microbiol Immunol 1978; 79:215-59. [PMID: 206407 DOI: 10.1007/978-3-642-66853-1_5] [Citation(s) in RCA: 108] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Charman HP, Gardner MB, McAllister RM, Kim N, Gilden RV. Humoral immune responses of cats to mammalian type-C virus p30s. Int J Cancer 1976; 17:98-108. [PMID: 175024 DOI: 10.1002/ijc.2910170114] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Natural and experimental cat sera were tested in radioimmune precipitation assays vs purified p30s from FeLV, RD114 and MuLV. Antibodies with specificity for FeLV p30 comparable to hyperimmune sera from heterologous species but of low titer were found in a high percentage of normal cats from households with a high incidence of FeLV and neoplasia. Sera from cats with neoplasms were generally negative. Cats immunized with FeLV gave low-level immune response, also of the same general specificity as heterologous hyperimmune sera. Cat sera do not normally show antibody to RD114 p30 although two immunized weanling cats produced low titered but highly specific p30 antibody. Thus, for both classes of feline type-C virus p30s, there is an evident capability of the cat to mount an immune response to natural or experimental exposure to the respective proteins. The magnitude of the response is between 100 and 1,000 fold below that seen in heterologous species. In contrast, cats immunized with MuLV p30 gave immune responses comparable to those seen in guinea-pigs, rabbits and goats. Several very old cats with carcinoma had antibody which preferentially precipitated MuVL p30. A competition assay using one such serum and labelled MuVL p30 was inhibited by FeVL, RD114, and MuLV p30s. This indicates that the assay is "interspecies" in nature. Among the possible explanations of this reaction category is that it represents antibody to the p30 of an as yet undefined class of feline type-C virus.
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Okabe H, Gilden RV, Hatanaka M. Specificity of the DNA product of RNA-dependent DNA polymerase in type C viruses: 3. Analysis of viruses derived from Syrian hamsters. Proc Natl Acad Sci U S A 1974; 71:3278-82. [PMID: 4137938 PMCID: PMC388668 DOI: 10.1073/pnas.71.8.3278] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
DNA transcripts were prepared from three related viruses of hamster and analyzed by interviral hybridization and by reaction with cellular DNA. A virus (G-HaLV), isolated from a dimethylbenzanthraceneinduced tumor cell in Graffi hamsters, contained nucleic acid sequences highly specific for hamster cell DNA and did not react with mouse cell DNA nor did its transcript show homology (<5%) with mouse or rat viral RNAs. The hamster-specific sarcoma virus, B-34, isolated by Bassin and coworkers from tumors induced by the Harvey strain of murine sarcoma virus, contained mouse-, hamster-, and possibly rat-specific sequences. B-34 transcripts were predominantly mouse-specific. GLOH(-), a lymphomagenic virus derived by dilution beyond the transforming endpoint of a hamster-specific sarcoma virus obtained from tumors induced by the Gross pseudotype of murine sarcoma virus, also contained hamster- and mouse-specific sequences. Only a portion of its hamster sequence (about 50%) was shared with B-34 and G-HaLV viruses. As expected, transcripts of GLOH(-) virus were reactive with mouse and hamster cellular DNA.
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Okabe H, Gilden RV, Hatanaka M. Specificity of the DNA product of RNA-dependent DNA polymerase in type C viruses. II. Quantitative analysis. Proc Natl Acad Sci U S A 1973; 70:3923-7. [PMID: 4129928 PMCID: PMC427358 DOI: 10.1073/pnas.70.12.3923] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
A number of mammalian Type C viruses were analyzed for relatedness by the technique of DNA.RNA hybridization. Viral DNAs were prepared in single-stranded form from complexes with 70S viral RNA formed during endogenous polymerase reactions. Extent of hybridization was assayed with the single-strand nuclease (S-1) from Aspergillus oryzae. Results obtained indicated a high degree of viral specificity, with significant cross-reactions being observed only with viruses obtained from within a species, as in the case of mouse and cat viruses, or in the special case of woolly monkey-gibbon comparisons. Comparisons of RD-114 virus, recently determined to be of feline origin, and conventional feline Type C viruses (FeLV), revealed minimal relatedness, especially when feline virus was grown on human cells, thus indicating the possibility of coexistence of greatly disparate Type C viruses within one species. A rat-specific virus, recovered from tumors induced by murine sarcoma virus, was found to contain genetic material common to both the original mouse virus and viruses indigenous to the rat, even though only rat-specific proteins have been detected during infection by this virus.
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Comoglio PM, Forni G. Plasma-cell and tumor-associated membrane antigens of mouse plasmacytoma MOPC-315 and MOPC-460. Int J Cancer 1973; 12:613-25. [PMID: 4134007 DOI: 10.1002/ijc.2910120309] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Yang SS, Wivel NA. Analysis of high-molecular-weight ribonucleic acid associated with intracisternal A particles. J Virol 1973; 11:287-98. [PMID: 4688704 PMCID: PMC355094 DOI: 10.1128/jvi.11.2.287-298.1973] [Citation(s) in RCA: 59] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Intracisternal A particles, known primarily for their association with various tumors, have been shown to contain high-molecular-weight (HMW) ribonucleic acid (RNA) by velocity centrifugation, using linear glycerol gradients. This HMW RNA is sensitive to ribonuclease digestion and alkali treatment but is resistant to Pronase treatment. By a double-labeling experiment, HMW RNA was shown to be intrinsic to intracisternal A particles and not to have resulted from cytoplasmic polysomal RNA aggregation. By a reconstitution experiment, it was determined that the results were not due to C-type virus contamination. The synthesis of HMW RNA in intracisternal A particles is inhibited by actinomycin D and ethidium bromide. These observations emphasize that there are probably some taxonomic relationships between intracisternal A particles and oncogenic RNA viruses.
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Parmiani G, Della Porta G. Effects of antitumour immunity on pregnancy in the mouse. NATURE: NEW BIOLOGY 1973; 241:26-8. [PMID: 4512327 DOI: 10.1038/newbio241026a0] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Kuff EL, Leuders KK, Ozer HL, Wivel NA. Some structural and antigenic properties of intracisternal A particles occurring in mouse tumors (complement fixation-immunodiffusion-neuroblastoma-plasma-cell tumor). Proc Natl Acad Sci U S A 1972; 69:218-22. [PMID: 4333040 PMCID: PMC427579 DOI: 10.1073/pnas.69.1.218] [Citation(s) in RCA: 86] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Intracisternal A-particles were isolated from three different myeloma lines in BALB/c mice and from cultured neuroblastoma cells of A/J origin. All preparations contained a major structural protein with an apparent molecular weight near 70,000 as estimated by electrophoretic mobility in sodium dodecyl sulfate-containing polyacrylamide gels. Solubilization of this component by sodium dodecyl sulfate was dependent on prior or concomitant treatment with sulfhydryl compounds. The size distribution of A-particle proteins was markedly different from that observed for extracellular murine leukemia and mammary tumor viruses. Rabbit antiserum was developed that reacted with the major A-particle protein in both complement fixation and immunodiffusion assays. The antigen was detected in isolated neuroblastoma A-particles, in cytoplasmic membrane fractions prepared from various mouse tumors known to contain intracisternal particles, but not in preparations from normal mouse cells, in samples of leukemia and mammary tumor virus, or in JLS-V9 cells infected with Rauscher leukemia virus. Conversely, isolated A-particles did not react in complement fixation or immunodiffusion assays with antisera against leukemia virus antigens.
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