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Butel JS. Patterns of polyomavirus SV40 infections and associated cancers in humans: a model. Curr Opin Virol 2012; 2:508-14. [PMID: 22771310 DOI: 10.1016/j.coviro.2012.06.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2012] [Revised: 06/13/2012] [Accepted: 06/15/2012] [Indexed: 12/19/2022]
Abstract
A model is described that predicts patterns of polyomavirus SV40 infections and associated cancers in humans. The model proposes that SV40 infections were established in humans primarily by exposure to contaminated oral poliovaccines and that infections persist today in geographic regions where poor sanitation or living conditions allow maintenance of infections transmitted by a fecal/urine-oral route. Predictions from the model include that SV40 infections and virus-associated malignancies will be restricted geographically and demographically and that in developed countries, such as the US, SV40 prevalence rates will be generally very low. The model highlights the importance of selection of populations for investigations of SV40 human infections. This model can explain inconsistencies in the published literature of SV40 infections in humans and can guide the design of future studies.
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Affiliation(s)
- Janet S Butel
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX 77030, USA
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2
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The common mechanisms of transformation by the small DNA tumor viruses: The inactivation of tumor suppressor gene products: p53. Virology 2009; 384:285-93. [DOI: 10.1016/j.virol.2008.09.034] [Citation(s) in RCA: 146] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2008] [Accepted: 09/30/2008] [Indexed: 11/21/2022]
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3
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Abstract
Human adenoviruses (HAdVs) can cause mild respiratory, gastrointestinal, urogenital and ocular disease. Knowledge about HAdVs has been expanding for more than five decades putting them amongst the most-studied viruses. This continued interest stems, to a great extent, from the fact that these double-stranded DNA viruses have proven to be a versatile tool to probe the basic phenomena of eukaryotic cells. HAdV research has led to the discovery of, for instance, RNA splicing and greatly contributed to our knowledge of processes as fundamental as replication, transcription and translation. Moreover, the transformation of rodent cells by HAdVs has provided a system to unravel the molecular pathways that control cell proliferation. As a result, the genetic organisation of these agents is known in great detail allowing the straightforward manipulation of their genomes. In addition, the virus itself became renowned for its ability to produce large amounts of progeny and to efficiently infect mammalian cells regardless of their cell cycle status. These features contributed to the broad use of recombinant HAdVs as gene carriers particularly in in vivo settings where the vast majority of target cells are post-mitotic. The most advanced type of HAdV vectors can accommodate up to 37 kb of foreign DNA and are devoid of viral genes. With the aid of these high-capacity HAdV vectors large physiologically responsive transcriptional elements and/or genes can be efficiently introduced into target cells while minimising adaptive immune responses against the transduced cells. This article provides information on HAdV especially on the aspects pertinent to the design, production and performance of its recombinant forms. The development and characteristics of the main HAdV-based vector types are also briefly reviewed.
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Affiliation(s)
- Manuel A F V Gonçalves
- Gene Therapy Section, Department of Molecular Cell Biology, Leiden University Medical Center, Wassenaarseweg 72, 2333 AL Leiden, The Netherlands.
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Feldman LA, Melnick JL, Rapp F. Influence of SV40 Genome on the Replication of an Adenovirus-SV40 "Hybrid" Population. J Bacteriol 2006; 90:778-82. [PMID: 16562080 PMCID: PMC315724 DOI: 10.1128/jb.90.3.778-782.1965] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Feldman, L. A. (Baylor University College of Medicine, Houston, Tex.), J. L. Melnick, and F. Rapp. Influence of SV40 genome on the replication of an adenovirus-SV40 "hybrid" population. J. Bacteriol. 90:778-782. 1965.-Replication of a type 7 adenovirus-SV40 hybrid population in primary African green monkey kidney cells was accompanied by the formation of SV40 tumor antigen, adenovirus antigens, and cytopathic changes characteristic of adenovirus infection. Prior infection of the cultures with SV40 stimulated replication of nonintegrated adenovirus 7 but did not enhance the replication of the hybrid virus. These results suggest that the population of the adenovirus-SV40 hybrid studied contains many particles carrying SV40 information. Replication of SV40 virus was not enhanced by co-infection with nonintegrated adenovirus 7 or with the adenovirus-SV40 hybrid. Cytosine arabinoside strongly inhibited replication of the adenovirus-SV40 hybrid population in African green monkey kidney cells. Enhanced replication of nonintegrated adenovirus 7 by SV40 was blocked by cytosine arabinoside; this block could be reversed by 2-deoxycytidine or deoxycytidine triphosphate.
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Affiliation(s)
- L A Feldman
- Department of Virology and Epidemiology, Baylor University College of Medicine, Houston, Texas
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Abstract
One of the prerequisites for the successful application of gene vaccination and therapy is the development of efficient gene delivery vectors. The rate-limiting nature of vectors was clearly manifested during the first wave of gene therapy testing, resulting in the demand for more effective and suitable vector systems. Adenoviral (Ad) vectors have recently played a central role in the development of gene-vector technology due to their practical advantages and potential applications. A large number of preclinical and clinical studies both have generated an overwhelming amount of data and literature on this vector system. It is the intention of this article to provide a systematic and broad spectrum review of this system, outlining the principle, potential, and limitations, and evaluating the rational development of this delivery approach. Recombinant adenoviruses (Ad), helper cell lines, and related technologies have been developed and applied to many indications owing to progress in virological research, molecular and cellular biology, eukaryotic protein expression, recombinant vaccines, and gene therapy. The technical depth this article covers should be useful to both the experienced researcher and to beginners in this field.
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Affiliation(s)
- W W Zhang
- Gene Therapy Unit, Baxter Healthcare Corporation, Route 120 & Wilson Road, WG2-3S, Round Lake, IL 60073-0490, USA
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RAPP F, BUTEL JS, FELDMAN LA, KITAHARA T, MELNICK JL. DIFFERENTIAL EFFECTS OF INHIBITORS ON THE STEPS LEADING TO THE FORMATION OF SV40 TUMOR AND VIRUS ANTIGENS. ACTA ACUST UNITED AC 1996; 121:935-44. [PMID: 14319408 PMCID: PMC2138018 DOI: 10.1084/jem.121.6.935] [Citation(s) in RCA: 111] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
The effect of DNA antagonists and various antibiotics on steps in the synthesis of SV40 virus in green monkey kidney cells was investigated. Both the early forming tumor (T) antigen, as well as the later synthesized virus (V) antigen, were synthesized in the presence of fluorouracil and iododeoxyuridine. Cytosine arabinoside (and fluorodeoxyuridine in starved cells) prevented synthesis of V antigen but not T antigen. The synthesis of T antigen therefore does not require synthesis of virus DNA. Virus particles formed only in the presence of the iododeoxyuridine and they were non-infectious. Actinomycin D inhibited synthesis of both tumor and virus antigens, suggesting that the synthesis of these antigens involves DNA-dependent RNA. Puromycin allowed synthesis of the T antigen which remained localized at the nucleolar membrane. This finding with puromycin suggests that the T antigen is a protein of low molecular weight. Virus antigen forming in the presence of mitomycin C, p-fluorophenylalanine, iododeoxyuridine, or fluorouracil was distributed atypically. These inhibitors caused the V antigen to be diffusely spread throughout the nucleus, or to be concentrated at the nuclear membrane.
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7
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HUEBNER RJ, CHANOCK RM, RUBIN BA, CASEY MJ. INDUCTION BY ADENOVIRUS TYPE 7 OF TUMORS IN HAMSTERS HAVING THE ANTIGENIC CHARACTERISTICS OF SV40 VIRUS. Proc Natl Acad Sci U S A 1996; 52:1333-40. [PMID: 14243505 PMCID: PMC300449 DOI: 10.1073/pnas.52.6.1333] [Citation(s) in RCA: 116] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Affiliation(s)
- A J Levine
- Department of Molecular Biology, Lewis Thomas Laboratory, Princeton University, New Jersey 08540
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Cockley KD, Rapp F. Complementation for replication by unrelated animal viruses containing DNA genomes. Microbiol Rev 1987; 51:431-8. [PMID: 2830477 PMCID: PMC373125 DOI: 10.1128/mr.51.4.431-438.1987] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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10
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Greenlee JE, Keeney PM. Immunoenzymatic labelling of JC papovavirus T antigen in brains of patients with progressive multifocal leukoencephalopathy. Acta Neuropathol 1986; 71:150-3. [PMID: 3022533 DOI: 10.1007/bf00687977] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Formalin-fixed, paraffin-embedded autopsy sections of brains from two patients with progressive multifocal leukoencephalopathy (PML) were stained by peroxidase-antiperoxidase methods for human papovavirus T antigen, a nonstructural protein expressed in cells lytically infected or transformed by JC, BK, and SV40 viruses. Adjacent sections were stained for papovavirus common structural antigen, a component of JC, BK, and SV40 virions which is synthesized in productively infected but not transformed cells. Intense immunoperoxidase labelling specific for T antigen was detected in large numbers of oligodendrocytes at the edges of demyelinated areas and in occasional oligodendrocytes within otherwise normal brain. Occasional morphologically normal astrocytic cells exhibited similar specific staining, but only rate atypical astrocytic cells contained detectable amounts of T antigen. Examination of adjacent sections stained with antisera to common structural antigen revealed an identical pattern of immunoenzymatic labelling, indicating that most of the cells expressing T antigen were also expressing viral structural proteins. The present study demonstrates that T antigen can be identified by immunoperoxidase methods in routinely processed autopsy material from cases of PML, but that detectable amounts of antigen are found almost exclusively in cells undergoing lytic infection.
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11
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Colberg-Poley AM, Isom HC, Rapp F. Reactivation of herpes simplex virus type 2 from a quiescent state by human cytomegalovirus. Proc Natl Acad Sci U S A 1979; 76:5948-51. [PMID: 230494 PMCID: PMC411770 DOI: 10.1073/pnas.76.11.5948] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The ability of human cytomegalovirus to stimulate replication of herpes simplex virus type 2 (HSV-2) was examined. The system used involved HSV-2-infected human embryonic lung cells under conditions (39.5-40 degrees C) in which HSV-2 remains undetectable. Reactivation of HSV-2 was maximal and persisted for the longest duration when cultures were superinfected with 0.02 plaque-forming unit of human cytomegalovirus per cell. Infectious HSV-2 appeared 2 days after superinfection with human cytomegalovirus and ranged from 10(2) to 10(6) plaque-forming units per culture. Virus reactivated from these cultures was neutralized by rabbit immune serum produced against HSV-2. The specificity of this interaction was demonstrated by various criteria: production of HSV-2 was not observed in cultures treated with mock infecting fluid, and inactivation of human cytomegalovirus by heat, ultraviolet irradiation, or immune serum prior to superinfection eliminated its ability to induce HSV-2 replication. These results sugges that interaction between these two human herpesviruses may be of importance in herpesvirus latency in vivo.
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12
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Lebowitz P, Weissman SM. Organization and transcription of the simian virus 40 genome. Curr Top Microbiol Immunol 1979; 87:43-172. [PMID: 232871 DOI: 10.1007/978-3-642-67344-3_3] [Citation(s) in RCA: 64] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
MESH Headings
- Antigens, Viral/genetics
- Base Sequence
- Cell Transformation, Neoplastic
- Cell Transformation, Viral
- DNA, Circular/analysis
- DNA, Circular/genetics
- DNA, Viral/analysis
- DNA, Viral/genetics
- Genes, Viral
- Genetic Code
- Hybridization, Genetic
- Nucleotides/analysis
- RNA, Messenger/analysis
- RNA, Messenger/genetics
- RNA, Viral/analysis
- RNA, Viral/genetics
- Simian virus 40/analysis
- Simian virus 40/genetics
- Templates, Genetic
- Transcription, Genetic
- Viral Proteins/analysis
- Viral Proteins/genetics
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13
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Philipson L, Tiollais P. Rational containment on recombinant DNA. Nature 1977; 268:90-1. [PMID: 593317 DOI: 10.1038/268090b0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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14
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Tevethia SS, Rapp F. Comparative immunology of carcinogenesis by DNA viruses. CONTEMPORARY TOPICS IN IMMUNOBIOLOGY 1977; 6:1-69. [PMID: 194745 DOI: 10.1007/978-1-4684-3051-6_1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
MESH Headings
- Adenoviridae/immunology
- Animals
- Antibodies, Neoplasm/biosynthesis
- Antigens, Neoplasm/analysis
- Antigens, Viral/analysis
- Base Sequence
- Cell Membrane/immunology
- Cell Transformation, Neoplastic
- Cytomegalovirus/immunology
- DNA Viruses/immunology
- DNA, Viral
- Defective Viruses
- Genes
- Herpesviridae/immunology
- Herpesvirus 4, Human/immunology
- Humans
- Immunity, Cellular
- Leukoencephalopathy, Progressive Multifocal/microbiology
- Neoplasms, Experimental/immunology
- Neoplasms, Experimental/microbiology
- Papillomaviridae/immunology
- Polyomaviridae
- Polyomavirus/immunology
- Simian virus 40/immunology
- Simplexvirus/immunology
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16
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17
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Philipson L, Pettersson U, Lindberg U. Molecular biology of adenoviruses. VIROLOGY MONOGRAPHS. DIE VIRUSFORSCHUNG IN EINZELDARSTELLUNGEN 1975; 14:1-115. [PMID: 170728 DOI: 10.1007/978-3-7091-8391-5_1] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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18
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19
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Weinberg RA, Ben-Ishai Z, Newbold JE. Simian virus 40 transcription in productively infected and transformed cells. J Virol 1974; 13:1263-73. [PMID: 4364900 PMCID: PMC355446 DOI: 10.1128/jvi.13.6.1263-1273.1974] [Citation(s) in RCA: 57] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Several independent cell lines transformed by simian virus 40 carry a species of viral RNA of 900,000 to 1,000,000 daltons. A viral RNA species of similar size is found early in the lytic cycle. Late in the viral lytic cycle, two prominent viral RNA species of about 600,000 and 900,000 daltons are seen. The larger late species shares nucleotide sequences with, and is less stable than, the smaller. These RNA species are located in the cytoplasm of the infected cell. The regions of the viral genome coding for these RNA species are mapped by hybridization of lytic RNA species to fragments of the genome produced by cleavage with Haemophilus aegyptius endonuclease.
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Oxman MN, Levin MJ, Lewis AM. Control of simian virus 40 gene expression in adenovirus-simian virus 40 hybrid viruses. Synthesis of hybrid adenovirus 2-simian virus 40 RNA molecules in cells infected with a nondefective adenovirus 2-simian virus 40 hybrid virus. J Virol 1974; 13:322-30. [PMID: 4359297 PMCID: PMC355300 DOI: 10.1128/jvi.13.2.322-330.1974] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
The effect of interferon on simian virus 40 (SV40) and adenovirus 2 (Ad2) T antigen synthesis has been examined in cells infected with SV40, with Ad2, and with a nondefective Ad2-SV40 hybrid virus, Ad2(+)ND(4). The induction of SV40 T antigen by SV40 was highly sensitive to interferon, whereas the induction of Ad2 T-antigen by Ad2 was resistant. This difference in interferon sensitivity was also noted in cells simultaneously infected with both viruses. However, the induction of SV40 T antigen by Ad2(+)ND(4), which contains covalently linked SV40 and Ad2 DNAs, was as resistant to interferon as the induction of Ad2 T antigen. This change in the interferon sensitivity of SV40 T antigen synthesis suggests that the expression of at least this portion of the SV40 genetic information in Ad2(+)ND(4) is under Ad2 genetic control. When RNA extracted from Ad2(+)ND(4)-infected cells was examined by means of sequential hybridization with Ad2 DNA, elution, and rehybridization with SV40 DNA, 27% of the SV40-specific RNA was found to be linked to Ad2 RNA. No such linkage was detected in control mixtures of Ad2 and SV40 RNAs. The presence of Ad2 and SV40 nucleotide sequences in the same RNA molecule implies that, in Ad2(+)ND(4) infection, transcription is initiated in the DNA of one virus (Ad2 or SV40) and continues without interruption across the point of junction into the DNA of the other virus. Furthermore, the interferon resistance of Ad2(+)ND(4)-induced SV40 T antigen synthesis suggests that transcription of the genetic information for SV40 T antigen is initiated in a region of Ad2 DNA.
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22
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Lewis AM, Rowe WP. Studies of nondefective Adenovirus 2-Simian virus 40 hybrid viruses. 8. Association of Simian virus 40 transplantation antigen with a specific region of the early viral genome. J Virol 1973; 12:836-40. [PMID: 4359956 PMCID: PMC356701 DOI: 10.1128/jvi.12.4.836-840.1973] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Two of the five nondefective adenovirus 2 (Ad2)-simian virus 40 (SV40) hybrids induce SV40 transplantation resistance in immunized hamsters. These two hybrids, Ad2(+)ND(2) and Ad2(+)ND(4), contain 32 and 43% of the SV40 genome, respectively. The pattern of induction of SV40 transplantation antigen (TSTA) by the various hybrids differentiates TSTA from both SV40 U and T antigens. Since the SV40 RNA induced by both these hybrids is early SV40 RNA, these findings confirm that TSTA is an early SV40 function. By combining available data on SV40 antigen induction by these hybrids with electron microscopy heteroduplex mapping studies, the DNA segment responsible for the induction of SV40 TSTA can be inferred to lie in the region between 0.17 and 0.43 SV40 units from the site on the SV40 chromosome cleaved by E. coli R(1) restriction endonuclease.
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23
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Chino F. Tumorigenesis of adenovirus-SV 40 hybrids in hamsters. ACTA PATHOLOGICA JAPONICA 1973; 23:479-91. [PMID: 4357060 DOI: 10.1111/j.1440-1827.1973.tb01219.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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24
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Guentzel MJ, Butel JS. Biological and biophysical characterization of SV40 cytoplasmic T-antigen-inducing mutants of PARA-adenovirus 7. ARCHIV FUR DIE GESAMTE VIRUSFORSCHUNG 1973; 43:74-87. [PMID: 4367381 DOI: 10.1007/bf01249350] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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25
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26
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Butel JS, Tevethia SS, Melnick JL. Oncogenicity and cell transformation by papovavirus SV40: the role of the viral genome. Adv Cancer Res 1972; 15:1-55. [PMID: 4333789 DOI: 10.1016/s0065-230x(08)60371-1] [Citation(s) in RCA: 94] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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27
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Pauluzzi S, Ribacchi R. Tumor induction in hamster by para(3cT)-adenovirus 7 mutant. Morphology and antigenic profiles of neoplastic cells. Int J Cancer 1971; 8:523-30. [PMID: 4332901 DOI: 10.1002/ijc.2910080321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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28
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Oxman MN, Levine AS, Crumpacker CS, Levin MJ, Henry PH, Lewis AM. Studies of nondefective adenovirus 2-simian virus 40 hybrid viruses. IV. Characterization of the simian virus 40 ribonucleic acid species induced by wild-type simian virus 40 and by the nondefective hybrid virus, Ad2 + ND 1 . J Virol 1971; 8:215-24. [PMID: 4329969 PMCID: PMC356233 DOI: 10.1128/jvi.8.2.215-224.1971] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Ad2(+)ND(1), a nondefective adenovirus 2 (Ad2)-simian virus 40 (SV40) hybrid virus, has been previously shown to contain a small segment of the SV40 genome covalently linked to Ad2 deoxyribonucleic acid (DNA). The SV40 portion of this hybrid virus has been characterized by relating the SV40-specific ribonucleic acid (RNA) sequences transcribed from the Ad2(+)ND(1) DNA to those transcribed from the DNA of SV40 itself. RNA-DNA hybridization-competition studies indicate that the SV40 component of Ad2(+)ND(1) consists of some, but not all, of that part of the SV40 genome which is transcribed early, i.e., prior to viral DNA replication, in SV40 lytic infection.
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29
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Kelly TJ, Rose JA. Simian virus 40 integration site in an adenovirus 7-simian virus 40 hybrid DNA molecule. Proc Natl Acad Sci U S A 1971; 68:1037-41. [PMID: 4324999 PMCID: PMC389108 DOI: 10.1073/pnas.68.5.1037] [Citation(s) in RCA: 33] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
The E46(+) strain of Adenovirus 7 is a mixed-virus population containing defective Adenoviurs 7-SV40 hybrid particles and helper, nonhybrid Adenovirus 7 particles. We have applied electron microscopic mapping techniques to obtain a physical map of the genome of the hybrid particles present in E46(+)PL1, a substrain of E46(+) derived from a single two-hit plaque. DNA molecules extracted from purified E46(+)Pl1 virions were found to be linear duplexes, with a mean lenght of 10.9 mum. When these molecules were denatured and renatured, a unique heteroduplex was formed that presumably derived one of its strands from an Adenovirus 7-SV40 hybrid molecule and the other from a nonhybrid Adenovirus 7 molecule. This heteroduplex was double-stranded, except for a short region near one end where the two strands were not paired. On the basis of measurements of the lengths of the single-and double-stranded regions in the heteroduplex, the structure of the Adenovirus 7-SV40 hybrid genome can be reconstructed as follows: The hybrid genome contains 16% less Adenovirus 7 DNA than the nonhybrid Adenovirus 7 genome. This deletion consists of the segment of DNA that maps between 0.05 and 0.21 molecular lenghts in the nonhybrid Adenovirus 7 DNA molecule. The deleted DNA has been partially replaced by an amount of heterologous DNA equivalent to 75% of the complete SV40 genome. A model for the generation of the hybrid genome is presented.
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Levin MJ, Crumpacker CS, Lewis AM, Oxman MN, Henry PH, Rowe WP. Studies of nondefective adenovirus 2-simian virus 40 hybrid viruses. II. Relationship of adenovirus 2 deoxyribonucleic acid and simian virus 40 deoxyribonucleic acid in the Ad2+ND genome. J Virol 1971; 7:343-51. [PMID: 4323709 PMCID: PMC356124 DOI: 10.1128/jvi.7.3.343-351.1971] [Citation(s) in RCA: 36] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
A nondefective adenovirus 2 (Ad2)-simian virus 40 (SV40) hybrid virus, Ad2(+)ND(1), has been plaque-isolated from an Ad2-SV40 hybrid population. This virus, unlike the defective Ad-SV40 hybrid populations previously described, replicates without the aid of nonhybrid adenovirus helper. Consequently, the hybrid virus deoxyribonucleic acid (DNA) can be obtained free of nonhybrid adenovirus DNA. The DNA of the Ad2(+)ND(1) virus was shown by ribonucleic acid (RNA)-DNA hybridization to consist of nucleotide sequences complementary to Ad2- and SV40-specific RNA. Techniques of equilibrium density and rate zonal centrifugation were employed to demonstrate that these Ad2 and SV40 nucleotide sequences were linked together in the same DNA molecules by alkali-resistant bonds. Calibration curves were established relating the amount of tritium-labeled SV40-specific RNA (prepared in vitro or in vivo) bound to given amounts of SV40 DNA in a hybridization reaction, and these curves were employed to determine the equivalent amount of SV40 DNA in the Ad2(+)ND(1) molecule. From the results obtained, it was estimated that 1% of the Ad2(+)ND(1) DNA consists of SV40 nucleotide sequences.
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31
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Richardson LS, Butel JS. Properties of transformed hamster cells containing SV40 tumor antigen in the cytoplasm. Int J Cancer 1971; 7:75-85. [PMID: 4322939 DOI: 10.1002/ijc.2910070109] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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32
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Butel JS, Melnick JL, Tevethia SS. Effect of adenovirus type 12 on tumor induction by SV40 and para (defective SV40). Int J Cancer 1971; 7:112-8. [PMID: 4322932 DOI: 10.1002/ijc.2910070113] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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33
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Pontén J. Spontaneous and virus induced transformation in cell culture. VIROLOGY MONOGRAPHS. DIE VIRUSFORSCHUNG IN EINZELDARSTELLUNGEN 1971; 8:1-253. [PMID: 4354654 DOI: 10.1007/978-3-7091-8258-1_1] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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34
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Duff R, Rapp F. Quantitative characteristics of the transformation of hamster cells by PARA (defective simian virus 40)-adenovirus 7. J Virol 1970; 5:568-77. [PMID: 4315956 PMCID: PMC376042 DOI: 10.1128/jvi.5.5.568-577.1970] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
An in vitro method for the quantitative measurement of transformation in hamster embryo fibroblasts by the PARA [defective simian virus 40 (SV40)]-adenovirus 7 hybrid has been developed. Transformation by PARA particles followed one-hit kinetics with a ratio of 1 focus-forming unit per 250 plaque-forming units. The method of viral adsorption had a direct effect upon the total number of foci which developed but not on the quantitative aspects of this assay. A fluorescent-focus assay was developed which provided a direct correlation of the observed morphological transformation and the presence of the PARA genome. This fluorescent-focus assay utilized detection of the SV40 tumor antigen, which was present in all foci transformed by PARA. Single foci induced by PARA were isolated and grown into cell lines. Two types of foci were observed and isolated; the first contained cells having a cuboidal or SV40-type morphology, and the second consisted of epithelial or adenovirus-type transformed cells. Both types contained the SV40 tumor and SV40 surface antigens as determined by the indirect fluorescence technique; however, only the epithelial cells contained the adenovirus 7 tumor antigen. All five cell lines which were injected into weanling Syrian hamsters were found to be oncogenic. These cell lines induced antibodies to both SV40 and adenovirus 7 tumor antigens in tumor-bearing animals.
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Lewis AM, Rowe WP. Isolation of two plaque variants from the adenovirus type 2-simian virus 40 hybrid population which differ in their efficiency in yielding simian virus 40. J Virol 1970; 5:413-20. [PMID: 4318083 PMCID: PMC376020 DOI: 10.1128/jvi.5.4.413-420.1970] [Citation(s) in RCA: 38] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Studies on the adenovirus type 2-simian virus 40 (SV40) hybrid population demonstrated two genetically stable variants within this population, which were isolated by plaquing in African green monkey kidney cells. These variants were similar in that each induced SV40 T antigen in human embryonic kidney cells and contained similar concentrations of nonhybrid adenovirus type 2 virions and adenovirus-encapsidated particles containing the infectious SV40 genome. These variants differed markedly, however, in their ability to produce SV40 viral antigen in human embryonic kidney cells and the efficiency with which they produce SV40 plaques in monkey cell monolayers. It is postulated that the differences in SV40-yielding efficiency between these variants lie in the nature of the recombinant deoxyribonucleic acid composing the genome of the hybrid particles.
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37
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Rapp F, Pauluzzi S, Butel JS. Variation in properties of plaque progeny of PARA (defective simian papovavirus 40)-adenovirus 7. J Virol 1969; 4:626-31. [PMID: 4311794 PMCID: PMC375918 DOI: 10.1128/jvi.4.5.626-631.1969] [Citation(s) in RCA: 48] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
One hundred and twelve progeny from double plaque-purified clones were derived from the original PARA (defective simian papovavirus 40)-adenovirus 7 population. These progeny were found to differ in their oncogenic potential in newborn hamsters with progeny from 20 clones not inducing any tumors during 1 year of observation. The varying tumorigenicity of the individual clonal progeny was not related to the titer of PARA (particle aiding replication of adenovirus) in the inoculum. There was a perfect correlation between the tumor antigen content of the tumor cells and the antibody response of the tumor-bearing host. The tumors containing both adenovirus and simian papovavirus 40 (SV40) tumor antigens appeared earlier than those carrying only SV40 tumor antigen. Progeny from clones which induced mixed tumors also produced tumors which contained only SV40 tumor antigen. Three variants of PARA were isolated which induced the synthesis of SV40 tumor antigen in the cytoplasm of infected simian cells; all other clones yielded progeny which induced synthesis of SV40 tumor antigen in the nucleus.
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38
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Black PH, Berman LD, Dixon CB. In vitro transformation by adenovirus-simiam virus 40 hybrid viruses. IV. Properties of clones isolated from cell lines transformed by adenovirus 2-simiam virus 40 and adenovirus 12-simiam virus 40 transcapsidant hybird viruses. J Virol 1969; 4:694-703. [PMID: 4311797 PMCID: PMC375927 DOI: 10.1128/jvi.4.5.694-703.1969] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Clones were isolated from hamster cells transformed by the adenovirus 2-SV40 and adenovirus 12-SV40 transcapsidant hybrid viruses. The clones were characterized with respect to their cytomorphology, virus and antigen content, and the histomorphology of tumors induced by transplantation of the clonal sublines to hamsters. Three different cellular and colonial morphologies were observed. Clones with an SV40 morphology gave rise to tumors predominantly with an SV40 histology, whereas clones with an adenovirus morphology produced typical adenovirus tumors upon transplantation of the transformed cells. Clones which had features of both SV40 and adenovirus transformed cells gave rise to "intermediate" and adenovirus tumors. The results indicate that multiple events occur during transformation and tumorigenesis by the transcapsidant virus populations and provide an explanation for the multiplicity of findings which have been reported with these virus populations.
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Butel JS, Guentzel MJ, Rapp F. Variants of defective simian papovavirus 40 (PARA) characterized by cytoplasmic localization of simian papovavirus 40 tumor antigen. J Virol 1969; 4:632-41. [PMID: 4311795 PMCID: PMC375919 DOI: 10.1128/jvi.4.5.632-641.1969] [Citation(s) in RCA: 50] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Three isolates of PARA (particle aiding replication of adenovirus)-adenovirus 7 out of a total of 112 clonal progeny derived by two successive plaque purifications in green monkey kidney cells (GMK) were found to induce the synthesis of simian papovavirus40 (SV 40) tumor (T) antigen in the cytoplasm of infected cells. The variant viruses induced plaque formation in human embryonic kidney cells which followed one-hit kinetics. In GMK cells, plaque formation followed two-hit kinetics which converted to first-order kinetics in the presence of additional helper adenovirus type 7. Analysis of plaque progeny from human cells showed that the progeny could replicate only in human cells, whereas progeny from monkey cells could multiply in both human and monkey cells. Heterologous human adenoviruses were able to enhance plaque formation by the variant viruses in monkey kidney cells. Neutralization tests indicated that both components of the populations had a type 7 adenovirus capsid. All three viruses were capable of inducing SV40 transplantation immunity in weanling hamsters. These results indicate the three variants are PARA-adenovirus 7 populations. Response of the induction of the synthesis of the cytoplasmic antigen to metabolic inhibitors was the same as for the synthesis of the nuclear SV40 T antigen. Different pools of sera which reacted with the intranuclear SV40 T antigen also detected the cytoplasmic antigen induced by the variant viruses. An adsorption experiment with cells containing either nuclear or cytoplasmic T antigen to remove tumor antibody from hamster sera also indicated that it is probably SV40 T antigen which is responsible for the cytoplasmic reaction. The species of the host cell-human, simian, or rabbit-appeared to play no role in the altered localization of this antigen. It is postulated that these PARA variants are further defective in some virus-mediated transport mechanism which shifts the T antigen from the cytoplasm to the nucleus.
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40
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Lewis AM, Levin MJ, Wiese WH, Crumpacker CS, Henry PH. A nondefective (competent) adenovirus-SV40 hybrid isolated from the AD.2-SV40 hybrid population. Proc Natl Acad Sci U S A 1969; 63:1128-35. [PMID: 4311250 PMCID: PMC223439 DOI: 10.1073/pnas.63.4.1128] [Citation(s) in RCA: 92] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
A new nondefective hybrid virus has been plaque-isolated from the Ad.2-SV40 hybrid population. This virus replicates efficiently with one-hit kinetics in both human embryonic kidney and African green monkey kidney cells, induces an SV40 specific antigen which is detectable by immunofluorescence and complement-fixation using sera from SV40 tumor-bearing hamsters, and produces SV40-specific RNA detectable by DNA-RNA hybridization. The SV40-specific antigen induced by this virus is heat-stable, sensitive to inhibitors of DNA synthesis, serologically different from SV40 T and viral antigens, and is an unrecognized SV40 antigen.
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41
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42
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Altstein AD, Dodonova NN, Nadtochey GA, Bykovski AF. Interaction between SV 40 and other viruses in tissue culture: interference and double infection. ARCHIV FUR DIE GESAMTE VIRUSFORSCHUNG 1969; 28:7-18. [PMID: 4192471 DOI: 10.1007/bf01250840] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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43
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Schlesinger RW. Adenoviruses: the nature of the virion and of controlling factors in productive or abortive infection and tumorigenesis. Adv Virus Res 1969; 14:1-61. [PMID: 4304567 DOI: 10.1016/s0065-3527(08)60556-4] [Citation(s) in RCA: 65] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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44
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45
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MESH Headings
- Adenoviridae/analysis
- Avian Leukosis Virus/analysis
- Avian Leukosis Virus/isolation & purification
- Cell Transformation, Neoplastic
- Chemical Phenomena
- Chemistry, Physical
- DNA, Viral/analysis
- DNA, Viral/isolation & purification
- Herpesviridae
- Hybridization, Genetic
- Leukemia Virus, Murine/analysis
- Leukemia Virus, Murine/isolation & purification
- Microscopy, Electron
- Oncogenic Viruses
- Papillomaviridae/analysis
- Polyomavirus/analysis
- Poxviridae
- RNA, Viral/analysis
- RNA, Viral/biosynthesis
- RNA, Viral/isolation & purification
- Satellite Viruses
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46
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47
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Hanafusa H. Replication of oncogenic viruses in virus-induced tumor cells-their persistence and interaction with other viruses. Adv Cancer Res 1969; 12:137-65. [PMID: 4310052 DOI: 10.1016/s0065-230x(08)60330-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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48
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Hsiung GD. Latent virus infections in primate tissues with special reference to simian viruses. BACTERIOLOGICAL REVIEWS 1968; 32:185-205. [PMID: 4301532 PMCID: PMC408294 DOI: 10.1128/br.32.3.185-205.1968] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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49
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Oda K, Dulbecco R. Regulation of transcription of the SV40 DNA in productively infected and in transformed cells. Proc Natl Acad Sci U S A 1968; 60:525-32. [PMID: 4302639 PMCID: PMC225079 DOI: 10.1073/pnas.60.2.525] [Citation(s) in RCA: 114] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
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50
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