Regulatory T cells prevent Th2 immune responses and pulmonary eosinophilia during respiratory syncytial virus infection in mice.

abstract：:Semlike forest virus capsid protein cosedimented with the large ribosomal subunit at 60S in sucrose gradients after treatment of cytoplasm from infected cells with Triton X-100 and EDTA. In CsCl gradients the capsid protein banded with the subunit at a density of 1.56 to 1.57 g/cm3. Most of the capsid protein could be...

journal_title：Journal of virology

authors： Ulmanen I,Söderlund H,Kääriäinen L

更新日期：1976-10-01 00:00:00

abstract：:Characterization of immune responses induced by live attenuated simian immunodeficiency virus (SIV) strains may yield clues to the nature of protective immunity induced by this vaccine approach. We investigated the ability of CD8(+) T lymphocytes from rhesus macaques immunized with the live, attenuated SIV strain SIVm...

journal_title：Journal of virology

authors： Gauduin MC,Glickman RL,Means R,Johnson RP

更新日期：1998-08-01 00:00:00

abstract：:Previous studies have established that chlorella viruses encode K(+) channels with different structural and functional properties. In the current study, we exploit the different sensitivities of these channels to Cs(+) to determine if the membrane depolarization observed during virus infection is caused by the activit...

journal_title：Journal of virology

authors： Frohns F,Käsmann A,Kramer D,Schäfer B,Mehmel M,Kang M,Van Etten JL,Gazzarrini S,Moroni A,Thiel G

更新日期：2006-03-01 00:00:00

abstract：:Antigen-presenting cells are a heterogeneous group of cells that are characterized by their functional specialization. Consequently, targeting specific antigen-presenting cell subsets offers opportunities to induce distinct T cell responses. Here we report on the generation and use of nanobodies (Nbs) to target lentiv...

journal_title：Journal of virology

authors： Goyvaerts C,Dingemans J,De Groeve K,Heirman C,Van Gulck E,Vanham G,De Baetselier P,Thielemans K,Raes G,Breckpot K

更新日期：2013-10-01 00:00:00

abstract：:The influenza A virus nucleoprotein (NP) is a multifunctional polypeptide which plays a pivotal role in virus replication. To get information on the domains and specific residues involved in the different NP activities, we describe here the preparation and characterization of 20 influenza A virus mutant NPs. The mutat...

journal_title：Journal of virology

authors： Mena I,Jambrina E,Albo C,Perales B,Ortín J,Arrese M,Vallejo D,Portela A

更新日期：1999-02-01 00:00:00

abstract：:The genome of the human immunodeficiency virus type 1 (HIV-1) is highly heterogeneous. Some of this genomic variability is reflected in the biologic and serologic differences observed among various strains of HIV-1. To map the viral determinants that correlate with pathogenicity of the virus, recombinant viruses were ...

journal_title：Journal of virology

authors： Cheng-Mayer C,Quiroga M,Tung JW,Dina D,Levy JA

更新日期：1990-09-01 00:00:00

abstract：:Hepatitis C virus (HCV) chronic infection is characterized by low-level or undetectable cellular immune responses against HCV antigens. HCV proteins have been shown to affect various intracellular events and modulate immune responses, although the precise mechanisms used to mediate these effects are not fully understo...

journal_title：Journal of virology

authors： Saito K,Ait-Goughoulte M,Truscott SM,Meyer K,Blazevic A,Abate G,Ray RB,Hoft DF,Ray R

更新日期：2008-04-01 00:00:00

abstract：:Human CD81 has been previously identified as the putative receptor for the hepatitis C virus envelope glycoprotein E2. The large extracellular loop (LEL) of human CD81 differs in four amino acid residues from that of the African green monkey (AGM), which does not bind E2. We mutated each of the four positions in human...

journal_title：Journal of virology

authors： Higginbottom A,Quinn ER,Kuo CC,Flint M,Wilson LH,Bianchi E,Nicosia A,Monk PN,McKeating JA,Levy S

更新日期：2000-04-01 00:00:00

abstract：:The major internal structural protein of human T-cell lymphotropic virus type III (HTLV-III), a virus etiologically implicated in acquired immunodeficiency syndrome (AIDS), was purified to homogeneity. This 24,000-molecular-weight protein (p24) was shown to lack immunologic cross-reacting antigenic determinants shared...

journal_title：Journal of virology

authors： Casey JM,Kim Y,Andersen PR,Watson KF,Fox JL,Devare SG

更新日期：1985-08-01 00:00:00

abstract：:The core promoter mutants of hepatitis B virus (HBV) emerge as the dominant viral population at the late HBeAg and the anti-HBe stages of HBV infection, with the A1762T/G1764A substitutions as the hotspot mutations. The double core promoter mutations were found by many investigators to moderately enhance viral genome ...

journal_title：Journal of virology

authors： Parekh S,Zoulim F,Ahn SH,Tsai A,Li J,Kawai S,Khan N,Trépo C,Wands J,Tong S

更新日期：2003-06-01 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) subtype C viruses have been found to almost exclusively use the chemokine receptor CCR5 as a coreceptor for entry, even in patients with advanced AIDS. We have characterized subtype C virus isolates from 28 patients from Harare, Zimbabwe, 20 of whom were receiving antiretrov...

journal_title：Journal of virology

authors： Johnston ER,Zijenah LS,Mutetwa S,Kantor R,Kittinunvorakoon C,Katzenstein DA

更新日期：2003-07-01 00:00:00

abstract：:Cytotoxic T lymphocytes (CTLs) play an important role in the immune response against respiratory syncytial virus (RSV) infection. The cell surface molecule lymphocyte function-associated antigen 1 (LFA-1) is an important contributor to CTL activation, CTL-mediated direct cell lysis, and lymphocyte migration. In an att...

journal_title：Journal of virology

authors： Rutigliano JA,Johnson TR,Hollinger TN,Fischer JE,Aung S,Graham BS

更新日期：2004-03-01 00:00:00

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 lat...

journal_title：Journal of virology

authors： Weinberg RA,Ben-Ishai Z,Newbold JE

更新日期：1974-06-01 00:00:00

abstract：:A recent publication indicated that overexpression of Axl, a cellular receptor that negatively regulates Toll-like receptor signaling, enhanced the entry of viruses pseudotyped with the glycoprotein of lymphocytic choriomeningitis virus (LCMV) in vitro. In testing the biological relevance of these observations, we fou...

journal_title：Journal of virology

authors： Sullivan BM,Welch MJ,Lemke G,Oldstone MB

更新日期：2013-04-01 00:00:00

abstract：:Reverse genetic analyses of negative-strand RNA (NSR) viruses have provided enormous advances in our understanding of animal viruses over the past 20 years, but technical difficulties have hampered application to plant NSR viruses. To develop a reverse genetic approach for analysis of plant NSR viruses, we have engine...

journal_title：Journal of virology

authors： Ganesan U,Bragg JN,Deng M,Marr S,Lee MY,Qian S,Shi M,Kappel J,Peters C,Lee Y,Goodin MM,Dietzgen RG,Li Z,Jackson AO

更新日期：2013-10-01 00:00:00

abstract：:The retroviral Gag protein plays the central role in the assembly process and can form membrane-enclosed, virus-like particles in the absence of any other viral products. These particles are similar to authentic virions in density and size. Three small domains of the human immunodeficiency virus type 1 (HIV-1) Gag pro...

journal_title：Journal of virology

authors： Garnier L,Ratner L,Rovinski B,Cao SX,Wills JW

更新日期：1998-06-01 00:00:00

abstract：:Identifying protease cleavage sites contributes to our understanding of their specificity and biochemical properties and can help in designing specific inhibitors. One route to this end is the generation and screening of random libraries of cleavage sites. Both synthetic and phage-displayed libraries have been extensi...

journal_title：Journal of virology

authors： Pacini L,Vitelli A,Filocamo G,Bartholomew L,Brunetti M,Tramontano A,Steinkühler C,Migliaccio G

更新日期：2000-11-01 00:00:00

abstract：:Poliovirus mutants in neutralizing antigenic site 3B were constructed by replacing the glutamic acid residue at amino acid 74 of capsid protein VP2 (VP2074E), using site-specific mutagenesis methods. All viable mutants display small-plaque phenotypes. Characterization of these mutants indicates that capsid assembly is...

journal_title：Journal of virology

authors： Reynolds C,Birnby D,Chow M

更新日期：1992-03-01 00:00:00

abstract：:Nucleotide sequencing and phylogenetic analysis of 10 recognized prototype strains of the porcine enterovirus (PEV) cytopathic effect (CPE) group I reveals a close relationship of the viral genomes to the previously sequenced strain F65, supporting the concept of a reclassification of this virus group into a new picor...

journal_title：Journal of virology

authors： Zell R,Dauber M,Krumbholz A,Henke A,Birch-Hirschfeld E,Stelzner A,Prager D,Wurm R

更新日期：2001-02-01 00:00:00

abstract：:The S2 gene of bluetongue virus, serotype 17, has been cloned, and the nonstructural protein NS2 has been expressed. Synthetic peptides matching regions within the amino acid sequence of NS2 were used to map three single-stranded RNA (ssRNA)-binding regions within the protein. A prokaryotic expression system was then ...

journal_title：Journal of virology

authors： Fillmore GC,Lin H,Li JK

更新日期：2002-01-01 00:00:00

abstract：:Adenovirus deletion mutants were studied to examine the influence of the 5' untranslated sequence on the translation of early region 1A mRNAs. Alterations of the 5' untranslated sequence, including complete deletion of the wild-type 5' untranslated sequence, did not significantly affect the rate of translation. ...

journal_title：Journal of virology

authors： Spindler KR,Berk AJ

更新日期：1984-09-01 00:00:00

abstract：:Capsid (core) assembly is essential for hepatitis B virus (HBV) replication. We hypothesize that assembly kinetics and stability are tuned for optimal viral replication, not maximal assembly. Assembly effectors (AEfs) are small molecules proposed to disrupt this balance by inappropriately enhancing core assembly. Guid...

journal_title：Journal of virology

authors： Tan Z,Maguire ML,Loeb DD,Zlotnick A

更新日期：2013-03-01 00:00:00

abstract：:Interferon regulatory factor 7 (IRF-7) is implicated in the regulation of Epstein-Barr virus (EBV) latency. EBV transforms primary B cells, and the major EBV oncoprotein, latent membrane protein 1 (LMP-1), is required for the process. LMP-1 both induces the expression of IRF-7 and activates the IRF-7 protein by phosph...

journal_title：Journal of virology

authors： Zhang L,Zhang J,Lambert Q,Der CJ,Del Valle L,Miklossy J,Khalili K,Zhou Y,Pagano JS

更新日期：2004-12-01 00:00:00

abstract：:The Epstein-Barr virus (EBV) lytic activator genes bzlf1 and brlf1 are conventionally referred to as immediate-early (IE) genes. However, previous studies showed that the earliest expression of these genes was blocked by cycloheximide when the EBV lytic cycle was induced by histone deacetylase (HDAC) inhibitors and pr...

journal_title：Journal of virology

authors： Ye J,Gradoville L,Miller G

更新日期：2010-12-01 00:00:00

abstract：:AIDS-related human cytomegalovirus retinitis remains the leading cause of blindness among untreated HIV/AIDS patients worldwide. To study mechanisms of this disease, we used a clinically relevant animal model of murine cytomegalovirus (MCMV) retinitis with retrovirus-induced murine AIDS (MAIDS) that mimics the progres...

journal_title：Journal of virology

authors： Chien H,Alston CI,Dix RD

更新日期：2018-08-29 00:00:00

abstract：:Our previous studies with influenza A viruses indicated that the association of M1 with viral RNA and nucleoprotein (NP) is required for the efficient formation of helical ribonucleoprotein (RNP) and for the nuclear export of RNPs. RNA-binding domains of M1 map to the following two independent regions: a zinc finger m...

journal_title：Journal of virology

authors： Liu T,Ye Z

更新日期：2004-09-01 00:00:00

abstract：:Chimeric bovine respiratory syncytial viruses (BRSV) expressing glycoproteins of bovine parainfluenza virus type 3 (BPIV-3) instead of BRSV glycoproteins were generated from cDNA. In the BRSV antigenome cDNA, the open reading frames of the major BRSV glycoproteins, attachment protein G and fusion protein F, were repla...

journal_title：Journal of virology

authors： Stope MB,Karger A,Schmidt U,Buchholz UJ

更新日期：2001-10-01 00:00:00

abstract：:The ectopic overexpression of Bcl-2 restricts both influenza A virus-induced apoptosis and influenza A virus replication in MDCK cells, thus suggesting a role for Bcl-2 family members during infection. Here we report that influenza A virus cannot establish an apoptotic response without functional Bax, a downstream tar...

journal_title：Journal of virology

authors： McLean JE,Datan E,Matassov D,Zakeri ZF

更新日期：2009-08-01 00:00:00

abstract：:Highly conserved amino acids in the second helix structure of the human immunodeficiency virus type 1 (HIV-1) MA protein were identified to be critical for the incorporation of viral Env proteins into HIV-1 virions from transfected COS-7 cells. The effects of these MA mutations on viral replication in the HIV-1 natura...

journal_title：Journal of virology

authors： Lee YM,Tang XB,Cimakasky LM,Hildreth JE,Yu XF

更新日期：1997-02-01 00:00:00

abstract：:Mutants (N(-)nin) of bacteriophage lambda in which the N gene product is not required for growth on wild-type Escherichia coli do not plate on recA bacterial mutants. Secondary mutants, selected for growth on recA, lie within the immunity region to the right of gene cI and appear identical to the cro mutants of Eisen ...

journal_title：Journal of virology

authors： Court D,Campbell A

更新日期：1972-06-01 00:00:00