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| arenaviridae infectionsSummarySummary: Virus diseases caused by the ARENAVIRIDAE. Top Publications
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Publications
Genetic detection and characterization of Lujo virus, a new hemorrhagic fever-associated arenavirus from southern AfricaThomas Briese
Center for Infection and Immunity, Mailman School of Public Health, Columbia University, New York, NY, USA
PLoS Pathog 5:e1000455. 2009..LUJV is a novel, genetically distinct, highly pathogenic arenavirus...
The role of the vascular endothelium in arenavirus haemorrhagic feversStefan Kunz
Institute of Microbiology, University Hospital Center and University of Lausanne, Lausanne, Switzerland
Thromb Haemost 102:1024-9. 2009..These studies provided first possible links to some of the vascular abnormalities observed in patients, however, their relevance in vivo remains to be investigated...
Animal models of highly pathogenic RNA viral infections: hemorrhagic fever virusesBrian B Gowen
Institute for Antiviral Research and Department of Animal, Dairy, and Veterinary Sciences, Utah State University, Logan, UT 84322 5600, USA
Antiviral Res 78:79-90. 2008..Such models are sufficient for testing of drugs that directly block viral replication, but may be inadequate for evaluating therapies that depend for their success on the activation or inhibition of host responses...
A new arenavirus in a cluster of fatal transplant-associated diseasesGustavo Palacios
Center for Infection and Immunity, Mailman School of Public Health, Columbia University, New York, NY 10032, USA
N Engl J Med 358:991-8. 2008..Culture, polymerase-chain-reaction (PCR) and serologic assays, and oligonucleotide microarray analysis for a wide range of infectious agents were not informative...
In vitro and in vivo activities of T-705 against arenavirus and bunyavirus infectionsBrian B Gowen
Institute for Antiviral Research, Utah State University, Logan, UT 84322, USA
Antimicrob Agents Chemother 51:3168-76. 2007..Our results suggest that T-705 may be a viable alternative for the treatment of life-threatening bunyaviral and arenaviral infections...
Junin virus vaccinesD A Enria
Instituto Nacional de Enfermedades Virales Humanas (INEVH, Dr. Julio I. Maiztegui, Monteagudo 2510, 2700 Pergamino, Argentina
Curr Top Microbiol Immunol 263:239-61. 2002
Regulation of homeostatic chemokine expression and cell trafficking during immune responsesScott N Mueller
Emory Vaccine Center and Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322, USA
Science 317:670-4. 2007..We propose that this transient chemokine modulation may help orchestrate local cellularity, thus minimizing competition for space and resources in activated lymphoid tissues...
Arenaviruses other than Lassa virusRemi N Charrel
Unite des Virus Emergents, EA 3292, IRD UR 034, IFR 48, Faculte de Medecine, 27 Boulevard Jean Moulin, Marseille 13005, France
Antiviral Res 57:89-100. 2003....
Antigen-independent memory CD8 T cells do not develop during chronic viral infectionE John Wherry
Emory Vaccine Center and Department of Microbiology and Immunology, Emory University School of Medicine, 1510 Clifton Road, Room G211, Atlanta, GA 30322, USA
Proc Natl Acad Sci U S A 101:16004-9. 2004..These findings raise concerns about using vaccines that may persist and also suggest that there may be limitations and challenges in designing effective immunological interventions for the treatment of chronic infections and tumors...
Mucosal arenavirus infection of primates can protect them from lethal hemorrhagic feverJuan D Rodas
Institute of Human Virology, University of Maryland Biotechnology Institute, Baltimore, Maryland 21201, USA
J Med Virol 72:424-35. 2004..Cross protection between the two strains was observed. The three out of seven monkeys that experienced protection were also the three with the strongest cell-mediated immunity...
Identification of differentially activated cell-signaling networks associated with pichinde virus pathogenesis by using systems kinomicsGavin C Bowick
Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555, USA
J Virol 81:1923-33. 2007..We believe that these nodes provide potential targets for the development of antiviral therapies by acting at the level of the host response rather than by directly targeting viral proteins...
The CD8+ T-cell response to lymphocytic choriomeningitis virus involves the L antigen: uncovering new tricks for an old virusMaya F Kotturi
Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, 9420 Athena Circle, La Jolla, CA 92037, USA
J Virol 81:4928-40. 2007..Taken together, these findings illustrate that the LCMV-specific CD8(+) T-cell response is more complex than previously appreciated...
Genetic identification of Kodoko virus, a novel arenavirus of the African pigmy mouse (Mus Nannomys minutoides) in West AfricaE Lecompte
Institute of Virology, Philipps University, Hans Meerweinstrasse, 35 043 Marburg, Germany
Virology 364:178-83. 2007..The finding of an Old World arenavirus related to LCMV outside the known geographical range of LCMV in a novel rodent species reveals new insights about the evolutionary history of arenaviruses...
Catarina virus, an arenaviral species principally associated with Neotoma micropus (southern plains woodrat) in TexasMaria N B Cajimat
Department of Pathology, University of Texas Medical Branch, Galveston, Texas 77555 0609, USA
Am J Trop Med Hyg 77:732-6. 2007....
Is there an association of Pneumocystis infection with the presence of arena-, hanta-, and poxvirus antibodies in wild mice and shrews in Finland?J Laakkonen
Department of Virology, Haartman Institute, P O Box 21, FIN 00014 University of Helsinki, Finland
Parasitology 132:461-6. 2006..Concurrent presence of virus antibodies (LCMV) and cyst forms of Pneumocystis were detected only in 1 M. minutus. In conclusion, we found no evidence of any association between Pneumocystis and antibodies to any of the viruses tested...
LCMV-mediated hepatitis in rhesus macaques: WE but not ARM strain activates hepatocytes and induces liver regenerationI S Lukashevich
Biotechnology Center, Institute of Human Virology, University of Maryland, Baltimore, Maryland 21201, USA
Arch Virol 149:2319-36. 2004..Previously we demonstrated that LCMV-ARM infection protected rhesus macaques challenged with LCMV-WE. Here we have shown that the protected animals have no signs of hepatitis and hepatocyte proliferation...
Human infection with arenaviruses in the AmericasC J Peters
University of Texas Medical Branch, 301 University Blvd, Galveston, TX 77555-0609, USA
Curr Top Microbiol Immunol 262:65-74. 2002
CD8alphaalpha-mediated survival and differentiation of CD8 memory T cell precursorsLoui T Madakamutil
La Jolla Institute for Allergy and Immunology, 10355 Science Center Drive, San Diego, CA 92121, USA
Science 304:590-3. 2004..Thus, memory precursors can be identified among primary effector cells and are selected for survival and differentiation by CD8alphaalpha...
Critical role for STAT4 activation by type 1 interferons in the interferon-gamma response to viral infectionKhuong B Nguyen
Department of Molecular Microbiology and Immunology, Division of Biology and Medicine, Brown University, Providence, RI 02912, USA
Science 297:2063-6. 2002..Thus, type 1 IFNs, in addition to interleukin-12, provide pathways for innate regulation of adaptive immunity, and their immunoregulatory functions are controlled by modulating the activity of individual STATs...
Targeting Schwann cells by nonlytic arenaviral infection selectively inhibits myelinationAnura Rambukkana
Laboratory of Bacterial Pathogenesis and Immunology, The Rockefeller University, New York, NY10021, USA
Proc Natl Acad Sci U S A 100:16071-6. 2003....
Endothelial cell function alteration after Junin virus infectionRicardo Martin Gomez
Department of Microbiology, Faculty of Medicine, University of Buenos Aires, CONICET, Argentina
Thromb Haemost 90:326-33. 2003..These data demonstrate that endothelial cell responses are triggered subsequently by JV infection, suggesting that such alterations play a major role in the pathogenesis of AHF and perhaps in other viral-induced hemorrhagic diseases...
Genomic features of attenuated Junín virus vaccine strain candidateSandra Elizabeth Goñi
LIGBCM, Departamento de Ciencia y Tecnologia, Universidad Nacional de Quilmes, Rogue Saenz Peña 180, B1876BXD, Bernal, Buenos Aires, Argentina
Virus Genes 32:37-41. 2006..These changes could be provisionally associated with the attenuated phenotype. In contrast, Z ORF was completely conserved among all strains...
Evolution of the Old World Arenaviridae and their rodent hosts: generalized host-transfer or association by descent?J P Hugot
Museum national d histoire naturelle, Institut de Systématique, FR 1541 du CNRS, Biosystématique et Coévolution chez les Nématodes Parasites, 75231 Cedex 05, Paris, France
Infect Genet Evol 1:13-20. 2001..This supposes that the origin of the arenaviruses has to be found out of Africa...
Hypergammaglobulinemia and autoantibody induction mechanisms in viral infectionsLukas Hunziker
Institute for Experimental Immunology, University Hospital, Schmelzbergstrasse 12, CH 8091 Zurich, Switzerland
Nat Immunol 4:343-9. 2003..This nonspecific B cell activation may contribute to antibody-mediated autoimmunity...
Interferon-gamma acts directly on CD8+ T cells to increase their abundance during virus infectionJason K Whitmire
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, CA 92037, USA
J Exp Med 201:1053-9. 2005..The stimulatory effect is abrogated in T cells lacking the IFNgamma receptor, indicating that the cytokine acts directly upon CD8(+) T cells to increase their abundance during acute viral infection...
Transmission of lymphocytic choriomeningitis virus by organ transplantationStaci A Fischer
Rhode Island Hospital and Brown Medical School, Providence, USA
N Engl J Med 354:2235-49. 2006..One recipient, who received ribavirin and reduced levels of immunosuppressive therapy, survived. CONCLUSIONS: We document two clusters of LCMV infection transmitted through organ transplantation...
Arenavirus-mediated liver pathology: acute lymphocytic choriomeningitis virus infection of rhesus macaques is characterized by high-level interleukin-6 expression and hepatocyte proliferationIgor S Lukashevich
Institute of Human Virology, University of Maryland Biotechnology Institute, Baltimore, Maryland 21201, USA
J Virol 77:1727-37. 2003..Our data confirm that acute infection is associated with weak inflammatory responses in tissues and initiates a program of liver regeneration in primates...
Arenavirus extinction through lethal mutagenesisJuan Carlos de la Torre
Department of Neuropharmacology IMM 6, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
Virus Res 107:207-14. 2005..These findings indicate that, as with other riboviruses, lethal mutagenesis is effective also against LCMV raising the possibility of using this novel antiviral strategy to combat pathogenic arenaviruses...
ArenavirusesJ P Gonzalez
IRD U178, Conditions et Territoires d Emergence des Maladies, Thaïlande, France
Curr Top Microbiol Immunol 315:253-88. 2007..The diversity among rodent host reservoir and virus species and the potential to exchange genomic material provide a basis for the emergence of new viruses and the risk of these becoming pathogenic for humans...
Lassa and Mopeia virus replication in human monocytes/macrophages and in endothelial cells: different effects on IL-8 and TNF-alpha gene expressionI S Lukashevich
Department of Pathology, University of Wisconsin, Madison, Wisconsin, USA
J Med Virol 59:552-60. 1999..The cumulative down-regulation of TNF-alpha and IL-8 expression could explain the absence of inflammatory and effective immune responses in severe cases of Lassa HF...
Diversity among Tacaribe serocomplex viruses (family Arenaviridae) naturally associated with the Mexican woodrat (Neotoma mexicana)Maria N B Cajimat
Microbiology and Immunology Graduate Program, Graduate School of Biomedical Sciences, University of Texas Medical Branch, Galveston, TX 77555 1019, USA
Virus Res 133:211-7. 2008..Conceptually, the viruses from Colorado, New Mexico, and Utah and strain AV 9310135 could be grouped together in a species complex in the family Arenaviridae, genus Arenavirus...
IL-10 blockade facilitates DNA vaccine-induced T cell responses and enhances clearance of persistent virus infectionDavid G Brooks
Viral Immunobiology Laboratory, Department of Molecular and Integrative Neuroscience, The Scripps Research Institute, La Jolla, CA 92037, USA
J Exp Med 205:533-41. 2008..Consequently, blocking key suppressive factors could render ineffective vaccines more efficient at improving T cell immunity, and thereby allow immune-mediated control of persistent viral infection...
Arenavirus antibody in rodents indigenous to coastal southern CaliforniaS G Bennett
Orange County Vector Control District, Garden Grove, California 92843, USA
Am J Trop Med Hyg 62:626-30. 2000....
Clinical case definitions for Argentine hemorrhagic feverL H Harrison
Department of Epidemiology, University of Pittsburgh Graduate School of Public Health, Pennsylvania 15261, USA
Clin Infect Dis 28:1091-4. 1999....
Experimental infection of Neotoma albigula (Muridae) with Whitewater Arroyo virus (Arenaviridae)C F Fulhorst
Department of Pathology and World Health Organization Collaborating Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555 0609, USA
Am J Trop Med Hyg 65:147-51. 2001..These results indicate that the duration of WWA virus infection in N. albigula is dependent upon the animal's age at the onset of infection and that neonatal infection can result in chronic (perhaps lifelong) virus shedding...
Lymphocytic choriomeningitis virus: emerging fetal teratogenLeslie L Barton
Department of Pediatrics and Steele Memorial Children s Research Center, University of Arizona, Tucson 85724, USA
Am J Obstet Gynecol 187:1715-6. 2002..We strongly suggest that obstetricians counsel their pregnant patients regarding the potential hazard that contact with infected pet, laboratory, and household mice and hamsters poses to pregnant women and their unborn children...
Current progress towards vaccines for arenavirus-caused diseasesJ C Clegg
Division of Pathology, Centre for Applied Microbiology and Research, Salisbury, Wilts, UK
Vaccine 10:89-95. 1992....
The RING domain and the L79 residue of Z protein are involved in both the rescue of nucleocapsids and the incorporation of glycoproteins into infectious chimeric arenavirus-like particlesJuan Cruz Casabona
Centro de Virologia Animal CEVAN, Instituto de Ciencia y Tecnología Dr Cesar Milstein, Consejo Nacional de Ciencia y Tecnología CONICET, Saladillo 2468, C1440FFX Ciudad Autónoma de Buenos Aires, Argentina
J Virol 83:7029-39. 2009..Our results support the conclusion that the interaction between Z and N is required for assembly of both the nucleocapsids and the glycoproteins into infectious arenavirus budding particles...
Molecular phylogeny of Guanarito virus, an emerging arenavirus affecting humansJ P Gonzalez
Institut Francais de Recherche Scientifique pour le Developpement en Cooperation ORSTOM, Paris, France
Am J Trop Med Hyg 53:1-6. 1995..Along with its host restriction and focal distribution, our data support the hypothesis that this virus has been evolving independently in its endemic focus, for some time...
Interferon alfacon-1 protects hamsters from lethal pichinde virus infectionBrian B Gowen
Institute for Antiviral Research, 5600 Old Main Hill, Utah State University, Logan, UT 84322, USA
Antimicrob Agents Chemother 49:2378-86. 2005..These data are the first report demonstrating efficacious treatment of acute arenaviral disease with alpha interferon therapy, and further study is warranted...
Enhancing therapeutic vaccination by blocking PD-1-mediated inhibitory signals during chronic infectionSang Jun Ha
Emory Vaccine Center and Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322, USA
J Exp Med 205:543-55. 2008..Such an approach may have broad applications in developing treatment strategies for chronic infections in general, and perhaps also for tumors...
Combinatorial ribavirin and interferon alfacon-1 therapy of acute arenaviral disease in hamstersBrian B Gowen
Institute for Antiviral Research, Utah State University, Logan, UT, USA
Antivir Chem Chemother 17:175-83. 2006..Further, combination therapy reduces the effective dosage of ribavirin, which would serve to limit its toxicity...
Hemorrhagic fever viruses as biological weapons: medical and public health managementLuciana Borio
Johns Hopkins Center for Civilian Biodefense Strategies, Johns Hopkins Schools of Medicine and Public Health, 111 Market Pl, Suite 830, Baltimore, MD 21202, USA
JAMA 287:2391-405. 2002..To develop consensus-based recommendations for measures to be taken by medical and public health professionals if hemorrhagic fever viruses (HFVs) are used as biological weapons against a civilian population...
Cytokine patterns in a comparative model of arenavirus haemorrhagic fever in guinea pigsErin P Scott
Department of Pathology, University of Texas Medical Branch, 301 University Blvd, Galveston, TX 77555 0747, USA
J Gen Virol 89:2569-79. 2008..Suppression rather than overexpression of pro-inflammatory cytokines accompanied the terminal shock in this model of arenavirus haemorrhagic fever...
Type I interferons act directly on CD8 T cells to allow clonal expansion and memory formation in response to viral infectionGanesh A Kolumam
Department of Immunology, University of Washington, Seattle, 98195, USA
J Exp Med 202:637-50. 2005..Thus, IFN-IR signaling in CD8 T cells is critical for the generation of effector and memory cells in response to viral infection...
Anomalous type 17 response to viral infection by CD8+ T cells lacking T-bet and eomesoderminAndrew M Intlekofer
Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA 19104, USA
Science 321:408-11. 2008..T-bet and Eomes, thus, ensure that CD8+ T cells adopt an appropriate course of intracellular rather than extracellular destruction...
Interleukin-21 mRNA expression during virus infectionsChristian Holm
Institute of Medical Microbiology and Immunology, Bartholin Building, University of Aarhus, 8000 Aarhus C, Denmark
Cytokine 33:41-5. 2006..Thus, our data suggest a role for IL-21 in the early stages of adaptive immune response against virus infections...
Evaluating the immunogenicity and protective efficacy of a DNA vaccine encoding Lassa virus nucleoproteinMaria P Rodriguez-Carreno
Department of Neuropharmacology, CVN 9, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, CA 92037, USA
Virology 335:87-98. 2005..A DNA minigene vaccine encoding a 9 amino acid sequence from LNP also induces CD8(+) T cells and protects against arenavirus challenge, thus confirming prior speculation that protective cellular immunity is induced by LV proteins...
Protein kinase C-theta critically regulates the proliferation and survival of pathogen-specific T cells in murine listeriosisMonika Sakowicz-Burkiewicz
Institut fur Medizinische Mikrobiologie, Otto von Guericke Universitat Magdeburg, Magdeburg, Germany
J Immunol 180:5601-12. 2008....
Precursor frequency, nonlinear proliferation, and functional maturation of virus-specific CD4+ T cellsJason K Whitmire
Department of Neuropharmacology, The Scripps Research Institute, La Jolla, CA 92037, USA
J Immunol 176:3028-36. 2006....
Persistent virus infection inhibits type I interferon production by plasmacytoid dendritic cells to facilitate opportunistic infectionsElina I Zuniga
Department of Immunology and Microbial Sciences, Scripps Research Institute, La Jolla, CA 92037, USA
Cell Host Microbe 4:374-86. 2008..These findings provide a mechanistic explanation for the occurrence of opportunistic infections following viral insults and have important implications for treating such medical complications...
Diminished primary CD8 T cell response to viral infection during protein energy malnutrition in mice is due to changes in microenvironment and low numbers of viral-specific CD8 T cell precursorsJanel Hart Chatraw
Department of Rehabilitation Medicine, Division of Physical Therapy, Emory University School of Medicine, Atlanta, GA 30322, USA
J Nutr 138:806-12. 2008..Furthermore, the diminished primary CD8 T cell response during PEM may in part have been due to low numbers of viral-specific CD8 T cells and an altered microenvironment...
Abrogation of CCL21 chemokine function by transgenic over-expression impairs T cell immunity to local infectionsHeike Unsoeld
Department of Immunology, Institute of Medical Microbiology and Hygiene, University of Freiburg, Freiburg, Germany
Int Immunol 19:1281-9. 2007..Taken together, these data demonstrate the importance of CCR7 in mediating T cell immunity to viral and parasitic pathogens after local infection...
CCR5 and CXCR3 are dispensable for liver infiltration, but CCR5 protects against virus-induced T-cell-mediated hepatic steatosisP J Holst
Institute of Medical Microbiology and Immunology, University of Copenhagen, The Panum Institute, 3C Blegdamsvej, DK 2200 Copenhagen N, Denmark
J Virol 81:10101-12. 2007....
Generation and maintenance of Listeria-specific CD8+ T cell responses in perforin-deficient mice chronically infected with LCMVTroy D Humphreys
Department of Microbiology, University of Iowa, Iowa City, IA 52242, USA
Virology 370:310-22. 2008....
Differential microenvironment localization of effector and memory CD8 T cellsJoseph G Dauner
Department of Microbiology and Immunology, Emory Vaccine Center, Yerkes National Primate Center, Emory University School of Medicine, Atlanta, GA 30329, USA
J Immunol 180:291-9. 2008..Upon rechallenge, memory CD8 T cells rapidly proliferate and the secondary effector CD8 T cells are found in the red pulp...
Phenotypic and functional analysis of LCMV gp33-41-specific CD8 T cells elicited by multiple peptide immunization in mice revealed the up-regulation of PD-1 expression on antigen-specific CD8 T cellsYi Liu
Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing 210042, China
Cell Mol Immunol 4:431-7. 2007....
The role of endoplasmic reticulum-associated aminopeptidase 1 in immunity to infection and in cross-presentationElke Firat
Clinic for Radiotherapy, University Hospital of Freiburg, Freiburg, Germany
J Immunol 178:2241-8. 2007..Surprisingly, however, ERAP1 deficiency has no effect on cross-presentation of soluble OVA, suggesting that for soluble exogenous proteins, final processing may not take place in an environment containing active ERAP1...
Control of virus-specific CD8+ T-cell exhaustion and immune-mediated pathology by E3 ubiquitin ligase Cbl-b during chronic viral infectionRong Ou
Center for Molecular Chaperones Radiobiology and Cancer Virology, Medical College of Georgia, 1410 Laney Walker Blvd, Augusta, GA 30912, USA
J Virol 82:3353-68. 2008..In conclusion, our results suggest that Cbl-b is critically involved in T-cell exhaustion and prevention of lethal disease...
Augmented IL-7 signaling during viral infection drives greater expansion of effector T cells but does not enhance memoryJoseph C Sun
Department of Immunology and Howard Hughes Medical Institute, University of Washington, Seattle, WA 98195, USA
J Immunol 177:4458-63. 2006..The extent of contraction may be dictated by intrinsic factors related to the number of prior cell divisions...
CD4+ T cell help improves CD8+ T cell memory by retained CD27 expressionMatthias S Matter
Tumor Immunology, Department of Clinical Research, University of Berne, Bern, Switzerland
Eur J Immunol 38:1847-56. 2008..Therefore, regulating CD27 expression on memory CTL is a novel mechanism how CD4+ T cells control CTL memory...
An altered T cell repertoire in MECL-1-deficient miceMichael Basler
Division of Immunology, Department of Biology, University of Constance, Konstanz, Germany
J Immunol 176:6665-72. 2006..Taken together, our data reveal an in vivo function of MECL-1 in codetermining the T cell repertoire for an antiviral CTL response...
Lambda interferon (IFN-lambda), a type III IFN, is induced by viruses and IFNs and displays potent antiviral activity against select virus infections in vivoNina Ank
Institute of Medical Microbiology and Immunology, The Bartholin Building, University of Aarhus, DK-8000 Aarhus C, Denmark
J Virol 80:4501-9. 2006....
Clearance of an immunosuppressive virus from the CNS coincides with immune reanimation and diversificationHenning Lauterbach
Molecular and Integrative Neurosciences Department, The Scripps Research Institute, La Jolla, CA 92037, USA
Virol J 4:53. 2007....
Impaired virus control and severe CD8+ T-cell-mediated immunopathology in chimeric mice deficient in gamma interferon receptor expression on both parenchymal and hematopoietic cellsPernille Henrichsen
Institute of Medical Microbiology and Immunology, University of Copenhagen, Denmark
J Virol 79:10073-6. 2005..Further, the study shows that IFN-gamma receptor expression on parenchymal cells in the viscera is more important for virus control than IFN-gamma receptor expression on bone marrow-derived cells...
Inverse correlation between IL-7 receptor expression and CD8 T cell exhaustion during persistent antigen stimulationKarl S Lang
Institute of Experimental Immunology, Zurich, Switzerland
Eur J Immunol 35:738-45. 2005..Persistent antigen also suppressed IL-7Ralpha expression on primed T cells and this correlated with exhaustion of a previously stable primed T cell population. These findings suggest that antigen longevity regulates T cell fate...
Primary and secondary immunocompetence in mixed allogeneic chimerasMatthew A Williams
Emory Transplant Center and Department of Surgery, Emory University School of Medicine, Atlanta, GA, 30322, USA
J Immunol 170:2382-9. 2003....
Requirement for CD4 T cell help in generating functional CD8 T cell memoryDevon J Shedlock
Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
Science 300:337-9. 2003..These results demonstrate a previously undescribed role for CD4 help in the development of functional CD8 memory...
Virus-specific CD8 T cells in peripheral tissues are more resistant to apoptosis than those in lymphoid organsXiaoting Z Wang
Department of Pathology, University of Massachusetts Medical School, Worcester 01655, USA
Immunity 18:631-42. 2003..This may contribute to the survival of nondividing peripheral memory T cells, enabling them to efficiently function without being driven into apoptosis...
Attrition of virus-specific memory CD8+ T cells during reconstitution of lymphopenic environmentsCraig D Peacock
Department of Pathology, University of Massachusetts Medical Center, Worcester, MA 01655, USA
J Immunol 171:655-63. 2003....
Control of effector CD8+ T cell function by the transcription factor EomesoderminErika L Pearce
Abramson Family Cancer Research Institute, and Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
Science 302:1041-3. 2003..We suggest that Eomesodermin is likely to complement the actions of T-bet and act as a key regulatory gene in the development of cell-mediated immunity...
Role of CD28 co-stimulation in generation and maintenance of virus-specific T cellsJeanette E Christensen
Institute of Medical Microbiology and Immunology, Panum Institute, 3C Blegdamsvej, 2200 Copenhagen, Denmark
Int Immunol 14:701-11. 2002....
Dynamics of memory T cell proliferation under conditions of heterologous immunity and bystander stimulationSung Kwon Kim
Department of Pathology, University of Massachusetts, Worcester, MA 01655, USA
J Immunol 169:90-8. 2002..Thus, depending on the pathogen and the sequence of infection, a heterologous agent may selectively stimulate the memory pool in patterns consistent with heterologous immunity...
Modelling the dynamics of LCMV infection in mice: II. Compartmental structure and immunopathologyGennady Bocharov
Institute of Numerical Mathematics, Russian Academy of Sciences, Moscow, Russia
J Theor Biol 221:349-78. 2003..It specifies objectives for CTL vaccination to ensure virus elimination with minimal immunopathology vs. vaccination for disease...
Functional characterization of MHC class II-restricted CD8+CD4- and CD8-CD4- T cell responses to infection in CD4-/- miceErika L Pearce
Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
J Immunol 173:2494-9. 2004..These results have implications for understanding thymic T cell selection and for elucidating the mechanisms regulating the peripheral immune response and memory differentiation...
Role of CD28-B7 interactions in generation and maintenance of CD8 T cell memoryM Suresh
Emory Vaccine Center and Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322, USA
J Immunol 167:5565-73. 2001..Therefore, CD28 signaling is not necessary for the proliferative renewal and maintenance of memory CD8 T cells...
Immunology. CD8alphaalpha and T cell memorySangwon V Kim
Section of Immunobiology, Yale University School of Medicine, New Haven, CT 06520, USA
Science 304:529-30. 2004
Molecular analysis of the interaction of LCMV with its cellular receptor [alpha]-dystroglycanS Kunz
The Scripps Research Institute, Division of Virology, Department of Neuropharmacology, La Jolla, CA 92037, USA
J Cell Biol 155:301-10. 2001..Infection followed by dysfunction of these antigen-presenting cells contributes to immunosuppression and persistent viral infection in vivo...
Differential tissue-specific regulation of antiviral CD8+ T-cell immune responses during chronic viral infectionShenghua Zhou
Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, Georgia 30912, USA
J Virol 78:3578-600. 2004....
A structural basis for LCMV immune evasion: subversion of H-2D(b) and H-2K(b) presentation of gp33 revealed by comparative crystal structure.AnalysesAdnane Achour
Microbiology and Tumor Biology Center, Karolinska Institutet, Royal School of Technology, S 106 91 Stockholm, Sweden
Immunity 17:757-68. 2002..Importantly, the peptide's N-terminal residue p1K protrudes from the binding cleft in H-2K(b). We present structural evidence that explains the functional consequences of single mutations found in escape variants...
[Neutralization test for lymphocytic choriomeningitis virus for distinguishing between two arenavirus infections in Argentina]A M Ambrosio
Instituto Nacional de Enfermedades Virales Humanas Dr Julio I Maiztegui INEVH, Monteagudo 2510, 2700 Pergamino, Pcia de Buenos Aires, Argentina
Rev Argent Microbiol 33:235-40. 2001....
HLA-A2-restricted protection against lethal lymphocytic choriomeningitisJason Botten
Molecular and Integrative Neurosciences Department, The Scripps Research Institute, SP30 2020, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
J Virol 81:2307-17. 2007....
Contributions of the lymphocytic choriomeningitis virus glycoprotein and polymerase to strain-specific differences in murine liver pathogenicityAndreas Bergthaler
Institute of Experimental Immunology, Department of Pathology, University Hospital of Zurich, Schmelzbergstrasse 12, 8091 Zurich, Switzerland
J Gen Virol 88:592-603. 2007..This reverse-genetic approach to an animal model of arenaviral hepatitis reveals a previously underestimated contributory role of the GP that alone is, however, insufficient to cause disease...
The nucleoprotein of Pichinde virus expressed by a vaccinia-Pichinde virus recombinant partially protects hamsters from lethal virus challengeD Y Ozols
Department of Biology, McMaster University, Hamilton, Ontario, Canada
Arch Virol 139:23-36. 1994..This finding appears to support the hypothesis that in many arenavirus infections cellular immunity is central to viral clearance and protection from reinfection...
Targeting the proteolytic processing of the viral glycoprotein precursor is a promising novel antiviral strategy against arenavirusesJillian M Rojek
Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, California 920371, USA
J Virol 84:573-84. 2010....
Dehydroepiandrosterone, epiandrosterone and synthetic derivatives inhibit Junin virus replication in vitroEliana G Acosta
Laboratorio de Virologia, Departamento de Quimica Biologica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellon 2, Piso 4, C1428EGA Buenos Aires, Argentina
Virus Res 135:203-12. 2008..Like DHEA and EA, three compounds obtained from EA by chemical synthesis showed selectivity indexes higher than ribavirin, the only antiviral compound that has shown partial efficacy against arenavirus infections...
Lymphocytic choriomeningitis virus--an old enemy up to new tricksC J Peters
Center for Biodefense and Emerging Infectious Diseases, University of Texas Medical Branch, Galveston, USA
N Engl J Med 354:2208-11. 2006
Models for an arenavirus infection in a rodent population: consequences of horizontal, vertical and sexual transmissionChandrani Banerjee
Department of Mathematics and Statistics, Texas Tech University, Lubbock, TX 79409 1042, USA
Math Biosci Eng 5:617-45. 2008..Numerical examples illustrate the dynamics of the models. The biological implications of the results and future research goals are discussed in the conclusion...
Treatment of late stage disease in a model of arenaviral hemorrhagic fever: T-705 efficacy and reduced toxicity suggests an alternative to ribavirinBrian B Gowen
Institute for Antiviral Research, Logan, UT, USA
PLoS ONE 3:e3725. 2008..Our findings support further pre-clinical development of T-705 for the treatment of severe arenaviral infections...
Design, synthesis, and biological evaluation of a biyouyanagin compound libraryK C Nicolaou
Department of Chemistry, Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
Proc Natl Acad Sci U S A 108:6715-20. 2011....
Reverse genetics approaches to combat pathogenic arenavirusesJuan C de la Torre
Immunology and Microbial Science, IMM 6, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
Antiviral Res 80:239-50. 2008..This, in turn, could lead to the development of novel, potent and safe arenavirus vaccines...
Treatment of lethal Pichinde virus infections in weanling LVG/Lak hamsters with ribavirin, ribamidine, selenazofurin, and ampligenD F Smee
Antiviral Program, Utah State University, Logan 84322
Antiviral Res 20:57-70. 1993..In fact, selenazofurin was overtly toxic, causing death of uninfected hamsters at 32 and 100 mg/kg. The random-bred LVG/Lak hamster appears to be a viable and cost-effective model for evaluating new therapies for arenavirus infections...
Effects of promyelocytic leukemia protein on virus-host balanceWeldy V Bonilla
Institute of Experimental Immunology, University Hospital, CH 8091 Zurich, Switzerland
J Virol 76:3810-8. 2002..These in vivo observations corroborated our results showing more virus production in PML(-/-) fibroblasts. Thus, PML is a contributor to innate immunity, defining host susceptibility to viral infections and to immunopathology...
The outcome of cross-priming during virus infection is not directly linked to the ability of the antigen to be cross-presentedAttiya Alatery
Department of Microbiology and Immunology, Queen s University, Kingston, ON, Canada
Eur J Immunol 40:2190-9. 2010..Thus, weak cross-presenting antigens may still cross-prime an efficient CTL response depending on other in vivo elements such as the naïve T-cell precursor frequencies...
Systemic and mucosal infection program protective memory CD8 T cells in the vaginal mucosaPratima Krishna Suvas
Department of Microbiology, University of Tennessee, Knoxville, TN 37996, USA
J Immunol 179:8122-7. 2007....
Preliminary study on potential circulation of arenaviruses in the rodent population of Nakhon Pathom Province, Thailand and their medical importance in an evoluting environmentN Nitatpattana
Center for Vaccine Development, Institute of Science and Technology for Research and Development, Mahidol University, Nakhon Pathom, Thailand
Southeast Asian J Trop Med Public Health 31:62-5. 2000..05), however the seroprevalence found among different geographical areas of Nakhon Pathom Province were significantly different (p<0.0001)...
Postinfectious encephalitis: a coregistered SPECT and magnetic resonance imaging studyEmmanuel Itti
Department of Radiology, Harbor-UCLA Medical Center, Torrance, 90509, USA
Clin Nucl Med 27:129-30. 2002
Pirital virus (Arenaviridae) infection in the syrian golden hamster, Mesocricetus auratus: a new animal model for arenaviral hemorrhagic feverS Y Xiao
Department of Pathology, and the Center for Tropical Diseases, University of Texas Medical Branch, Galveston 77555 0588, USA
Am J Trop Med Hyg 64:111-8. 2001..It may also be useful for testingantiviral agents for treatment of arenaviral hemorrhagic fevers...
Role of cell cycle regulator E2F1 in regulating CD8 T cell responses during acute and chronic viral infectionXiaoyan Gao
Department of Pathobiological Sciences, University of Wisconsin Madison, 2015 Linden Drive, Madison, WI 53706 1102, USA
Virology 324:567-76. 2004..Taken together, our studies show that E2F1, an important tumor suppressor and cell cycle regulator, may not have a non-redundant role in regulating CD8 T cell responses in acute and chronic LCMV infections...
Junín virus infection of human hematopoietic progenitors impairs in vitro proplatelet formation and platelet release via a bystander effect involving type I IFN signalingRoberto G Pozner
Department of Thrombosis and Hemostasis, Hematological Research Institute Mariano R Castex, National Academy of Medicine, CONICET, Buenos Aires, Argentina
PLoS Pathog 6:e1000847. 2010..Our study introduces a potential mechanism for thrombocytopenia in VHF and other diseases associated with increased bone marrow type I IFN levels...
Signal 3 requirement for memory CD8+ T-cell activation is determined by the infectious pathogenSelina J Keppler
Institute for Medical Microbiology and Hygiene, Department of Immunology, University of Freiburg, Freiburg, Germany
Eur J Immunol 41:3176-86. 2011..In summary, our results reveal an essential role for direct inflammatory cytokine signaling in secondary T-cell responses...
Research Grants
- MOLECULAR BIOLOGY OF BORNA DISEASE VIRUS (BDV)JUAN DE LA TORRE; Fiscal Year: 2004..Conditions required for reconstitution of BDV transcription and RNA replication by intracellular coexpression of BDV minigenome and BDV proteins from separated plasmids will be determined. ..
- Neuroimmunologic Disorders Induced by Chronic Viral InfectionJUAN DE LA TORRE; Fiscal Year: 2007..Synaptic and dendritic structures will be quantitatively evaluated using antibodies to synaptophysine and MAP2, and confocal laser scanning microscopy to assess abnormalities associated with LCMV-cgPi. ..
- Identification of Borna Disease Virus Receptor ProteinsJUAN DE LA TORRE; Fiscal Year: 2006..G*/p56; 3) Determination of expression pattern of BDV candidate receptors in vivo. ..
- Novel Antiviral Strategy to Combat ArenavirusesJUAN DE LA TORRE; Fiscal Year: 2004..abstract_text> ..
- Aminoglycoside Antivirals to Combat ArenavirusesJUAN DE LA TORRE; Fiscal Year: 2004..Emergence of resistant variants will be assessed based on production of infectious virus and intracellular levels of virus RNA synthesis during serial passages in the presence of aminoglycosides with anti-LCMV activity. ..
- REVERSE GENETICS OF ARENAVIRUSESJUAN DE LA TORRE; Fiscal Year: 2005..This will provide a new and powerful approach to the study of the arenavirus molecular biology and pathogenesis. ..
- REVERSE GENETICS OF ARENAVIRUSESJUAN DE LA TORRE; Fiscal Year: 2007..We will use biochemical, genetics and functional assays to assess the relevance in Arenavirus biology of candidates initially identified by TAP/MS. ..
- Immune cell dynamics during central nervous system viral infectionJuan C de la Torre; Fiscal Year: 2010..abstract_text> ..
- Anti-interferon Activity of the Arenavirus NucleoproteinLuis Martinez Sobrido; Fiscal Year: 2010..This knowledge should fuel the development of better antiviral strategies to combat human pathogenic arenaviruses. ..
- Targeting the processing of the arenavirus glycoprotein for anti-viral therapy.Juan C de la Torre; Fiscal Year: 2010....
- Reverse Genetics of Arenaviruses.Juan C de la Torre; Fiscal Year: 2010..A detailed understanding of the arenavirus molecular will facilitate this task and cell biology, which is the long-term goal of the studies proposed in this application. ..
- MOLECULAR BIOLOGY OF BORNA DISEASE VIRUS (BDV)JUAN DE LA TORRE; Fiscal Year: 2000....
- Animal models of hantavirus cardiopulmonary diseaseCHARLES FULHORST; Fiscal Year: 2006..A mouse model of severe or lethal HCPS could substantively augment studies on the pathogenesis of the capillary leak that results in the life-threatening pulmonary edema HCPS. ..
- ECOLOGY OF EMERGING ARENAVIRUSES IN SOUTHWESTERN U SCHARLES FULHORST; Fiscal Year: 1999..The project is of 3 years duration, consists of both field and laboratory studies, and involves the disciplines of virology, pathology, molecular biology, genetics, mammalogy, ecology and epidemiology. ..
- Recombinant Yellow Fever 17D-Lassa VaccineIgor Lukashevich; Fiscal Year: 2007..3. Efficacy, determine whether YF17D/LAS recombinants will effectively protect strain 13 guinea pigs against LAS virus challenge. Our long-term goal is to develop a live YF17D/LAS bivalent vaccine to control YF and LF in Africa. ..
- Viral determinants of hantavirus pulmonary disease in the hamsterCHARLES FULHORST; Fiscal Year: 2007..The plasmid-based genetic system could be used in future studies to develop vaccines to prevent infection or disease and to (in the face of clinical disease) mitigate the severity of HPS. ..
- Rapid, accurate diagnostics for arenaviral infectionsCHARLES FULHORST; Fiscal Year: 2003..g., Amapari, Flexal) that were not used to develop or test the first generation assay. ..
- Viral determinants of hantavirus pulmonary disease in the hamsterCharles F Fulhorst; Fiscal Year: 2010..The plasmid-based genetic system could be used in future studies to develop vaccines to prevent infection or disease and to (in the face of clinical disease) mitigate the severity of HPS. ..
- ECOLOGY OF EMERGING ARENAVIRUSES IN SOUTHWESTERN U.S.CHARLES FULHORST; Fiscal Year: 2004..S.; and, 5) investigate further the human health significance of North American rodent-borne arena viruses. ..
- Viral Arrays for BiodefenseW Ian Lipkin; Fiscal Year: 2007....
- IMMUNE TOLERANCE INDUCTION BY APOPTOTIC BODIESMatthias von Herrath; Fiscal Year: 2005..abstract_text> ..
- Pathogenesis Studies in Scrapie (TSE Diseases)Michael Oldstone; Fiscal Year: 2003..This model should be useful to study pathophysiology of CWD as well as probing CWD strain differences. ..
- BORNA DISEASE VIRUS AND NEUROPSYCHIATRIC DISEASEWALTER LIPKIN; Fiscal Year: 2002..This study will be the first to collect and process human sera and PBMC samples in clinical laboratories with no history of BDV research and dispense aliquots to a central laboratory for randomized, blinded analysis. ..
- A Staged Strategy for Virus Identification and DiscoveryWALTER LIPKIN; Fiscal Year: 2004..Consistent with aims proposed in AI51292, our initial clinical application will be to analyze enteroviral serotypes implicated in human disease in North America. ..
- A DEVELOPMENTAL MODEL FOR AUTISM BASED ON CNS INFECTIONWALTER LIPKIN; Fiscal Year: 2004..4) Determine how opoptosis contributes to the neuropathology observed after neonatal infection. (5) Analyze regional changes in neurotransmitter systems following neonatal infection. ..
- PATHOGENESIS OF PERSISTENT VIRAL INFECTIONMichael Oldstone; Fiscal Year: 2006..Lessons learned from this aspect of the LCMV model should provide insights for several persistent human viral infections that cause immunosuppression. ..
- Role of a Non-Tolerant Autoantigen in AutoimmunityMatthias von Herrath; Fiscal Year: 2007..abstract_text> ..
- ARENAVIRUS RECEPTOR--STRUCTURE/FUNCTION STUDIESMichael Oldstone; Fiscal Year: 2007..These findings have relevance for biodefense of several viruses including LFV. ..
- Pathogen Discovery in Chronic Lung Disease by Mass Tag PCR and MicroarrayW Ian Lipkin; Fiscal Year: 2009....
- Pathogen Discovery in Chronic Lung Disease by Mass Tag PCR and MicroarrayW Ian Lipkin; Fiscal Year: 2007....
