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  • Articles: DFG German National Licenses  (6)
  • 1995-1999  (6)
Source
  • Articles: DFG German National Licenses  (6)
Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Urine-associated horizontal transmission of Seoul virus among rats (1998)
    Springer
    Archives of virology 143 (1998), S. 15-24 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary.  To understand the mode of transmission of Seoul type hantavirus in Wistar rats, we examined the shedding of the virus and antibody production in infected rats. When 1-day-old rats were inoculated with the KI-83-262 strain of Seoul virus, S segment of the viral genome was detected in lungs, clots, urine, saliva, submaxillary glands, rectums, and kidneys by nested reverse transcriptase PCR. On the other hand, when 8-week-old rats were infected with the virus, viral genome was detected only in the lungs and rectum. In newborn rats intranasally administered urine from infected newborn rats, four of six rats shed the virus into their urine. In addition, three of eight rats kept in the same cage with infected animals also shed the virus into urine. Moreover, the virus genome was detected in the urine of urban rats (Rattus norvegicus) in an enzootic focus. These findings suggest that the urine containing virus from infected † rats is an actual source of the Seoul virus infection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007050050264
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Characterization of neutralizing monoclonal antibody escape mutants of Hantaan virus 76118 (1998)
    Springer
    Archives of virology 143 (1998), S. 73-83 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary.  Neutralizing monoclonal antibody (MAb) escape mutants of Hantaan virus were generated using MAbs to envelope protein G1 (16D2) and G2 (11E10). The mutant viruses (mu16D2 and mu11E10), lacked reactivity only to the selecting MAb, or a MAb belonging to the same antigenic site. Both mutants had a single amino acid (a.a.) substitution. The a.a. substitution, found in mu16D2, was different from that found in another mutant selected with the same MAb (16D2). Although MAb 11E10 immunoprecipitated G2 protein, a deduced a.a. substitution was located in the G1 region. These results suggest that antigenic sites defined by neutralizing MAbs are composed of discontinuous epitopes over the G1 and G2 proteins. Mutant 11E10 showed a significant decrease in virulence in suckling mice. A virulence revertant of mu11E10, selected through passages in suckling mice brain, showed exactly the same deduced a.a. sequence as mu11E10 and still was not neutralized by MAb 11E10. Since mutant 16D2 was virulent for suckling mice, neutralization related epitopes found with MAbs 11E10 and 16D2 were independent of pathogenicity in BALB/c mice.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007050050269
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Inhibition of Borna disease virus replication by ribavirin in persistently infected cells (1998)
    Springer
    Archives of virology 143 (1998), S. 2039-2044 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary.  Ribavirin at concentrations from 1 to 10 μg/ml exihibited inhibitory effects on transcription of Borna disease virus (BDV) in persistently infected cells. Our present study indicates that ribavirin is a candidate anti-BDV drug.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007050050440
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Urine-associated horizontal transmission of Seoul virus among rats (1998)
    Springer
    Archives of virology 143 (1998), S. 365-374 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary.  To understand the mode of transmission of Seoul type hantavirus in Wistar rats, we examined the shedding of the virus and antibody production in infected rats. When 1-day-old rats were inoculated with KI-83-262 strain of Seoul virus, the S segment of the viral genome was detected in lungs, clots, urine, saliva, submaxillary glands, rectums, and kidneys by nested reverse transcriptase PCR. On the other hand, when 8-week-old rats were infected with the virus, viral genome was detected only in the lungs and rectum. In uninfected newborn rats intranasally administered urine from infected newborn rats, four of six rats shed the virus into their urine. In addition, three of eight rats kept in a same cage with infected animals also shed the virus into urine. Moreover, the virus genome was detected in the urine of urban rats (Rattus norvegicus) in an enzootic focus. These findings suggest that the urine containing virus from infected rats is an actual source of Seoul virus infection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007050050292
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Modes of Seoul virus infections: persistency in newborn rats and transiency in adult rats (1996)
    Springer
    Archives of virology 141 (1996), S. 2327-2338 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To understand the mode of persistent infection of Seoul virus in rodents, we examined the distribution of the virus genome and antibody production in infected rats. When 1-day-old rats were inoculated with the KI-83-262 strain, the S segment of viral genome was detected in sera, clots, lungs and kidneys from 3 to 184 days post inoculation (d.p.i.) by nested reverse transcriptase PCR. On the other hand, when 7-week-old rats were infected with this virus, viral genome was detected only in the lungs from 3 to 50 d.p.i. The neutralizing antibody titers of rats inoculated at 1-day of age were higher than those of rats inoculated at 7 weeks of age. In both age groups, however, the IgG avidity of antibody increased along with the course of infection. We found that urban rats (Rattus norvegicus) infected early in life harbored the virus for more than 6 months.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01718634
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    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    N-acetylgalactosamine (GalNAc)-specific lectins mediate enhancement of Hantaan virus infection (1999)
    Springer
    Archives of virology 144 (1999), S. 1765-1777 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary.  N-acetylgalactosamine (GalNAc)-specific lectins, Dolichos biflorus agglutinin (DBA), and soybean agglutinin (SBA), enhanced Hantaan (HTN) virus infections in Vero E6 and P388D1 cells. Treatment of Vero E6 cells with the lectins either before or during, but not after, virus inoculation resulted in lectin-mediated enhancement of infection (LME), indicating that GalNAc-specific lectin affects an early stage of the infection. Lectin blot and FACS analysis showed that the ability of HTN virus envelope glycoproteins and cell surface molecules to bind DBA and SBA was essential for LME. GalNAc clearly inhibited LME, indicating that the lectins bind with their specific carbohydrate-binding site. These results suggest that a lectin cross-link between the virus and the cell surface is the most plausible mechanism for inducing infection enhancement.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007050050703
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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