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  • Scholz, Martin  (6)
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  • 1
    Language: English
    In: Intervirology, 1997, Vol.40(5-6), pp.357-367
    Description: This review summarizes current strategies for the treatment of human cytomegalovirus (CMV) infection/diseases in high-risk patients such as transplant recipients and AIDS patients. Since the major drugs ganciclovir (Cytovene), foscarnet (Foscavir) and cidofovir (Vistide) are frequently associated with severe side effects and the formation of viral resistance, it should be endeavored to develop better strategies in anti-CMV treatment. Moreover, blocking of the viral replication does not always resolve the manifestations which are often linked with CMV-associated immunopathomechanisms. Thus, the efficacy of the available drugs is also discussed in the light of their ability to modulate inflammatory components of the cell-mediated immune system.
    Keywords: Treatment of Viral Diseases ; Human Cytomegalovirus ; Antiviral Therapy ; New Drugs ; Biology
    ISBN: 9783805567251
    ISBN: 3805567251
    ISSN: 0300-5526
    E-ISSN: 1423-0100
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  • 2
    Language: English
    In: Antiviral Research, 1999, Vol.44(1), pp.55-65
    Description: Cytomegalovirus (CMV) infection is a major problem in the immunosuppressed patient. It is thought that besides direct CMV induced cell lysis, immunological damage is part of CMV pathogenesis. New antiviral drugs, which combine immunomodulating and antiviral qualities, could be beneficial. Recently, it has been described that desferrioxamine (DFO) and calcium trinatrium diethylenetriaminepentaacetic acid (DTPA) exhibit both properties. In this report the antiviral effects of both compounds against rat CMV (RCMV) are described in vitro and in vivo using a generalised and local infection model. In vitro , both compounds exhibited a significant antiviral effect, DTPA being more potent than DFO. However, in the generalised infection model no effect was seen on mortality, morbidity or presence of virus in internal organs. In rats infected subcutaneously in the hind paw, no effect was seen locally on paw thickness, presence of viral antigens and inflammatory response. In addition, these rats suffered from a generalised infection of low magnitude at 15 days post infection, although both DFO and DTPA were able to lower the level of viral replication. In conclusion, our data indicate that despite in vitro activity, in vivo usage of DFO or DTPA for acute CMV infection is not warranted.
    Keywords: Rat Cytomegalovirus ; Dfo ; Dtpa ; In Vitro ; In Vivo ; Medicine ; Biology
    ISSN: 0166-3542
    E-ISSN: 1872-9096
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  • 3
    Language: English
    In: The American Journal of Pathology, 1999, Vol.155(1), pp.285-292
    Description: Thrombospondin-1 (TSP-1) is a potent inhibitor of angiogenesis. It has been shown that promoter sequences of the TSP-1 gene can be transactivated by the wild-type tumor suppressor protein p53. As human cytomegalovirus (HCMV) infection inactivates wild-type p53 of various cell types, we investigated whether HCMV infection is associated with reduced TSP-1 production. We found, in conjunction with accumulated p53, that TSP-1 mRNA and protein expression was significantly reduced in HCMV-infected cultured human fibroblasts. To determine whether the observed TSP-1 suppression depends on p53 inactivation, the p53-defective astrocytoma cell line U373MG was infected with HCMV. In these cells TSP-1 expression was also significantly reduced by HCMV infection whereas expression of the p53 mutant variant remained unaltered. In both cell lines the decreased expression of TSP-1 mRNA occurred early after infection (4 hours), indicating that HCMV inhibits TSP-1 transcription during the immediate-early phase of infection before HCMV DNA replication. Inhibition of HCMV DNA synthesis by ganciclovir did not influence TSP-1 reduction whereas the antisense oligonucleotide ISIS 2922, complementary to HCMV immediate-early mRNA, completely prevented the HCMV-mediated TSP-1 suppression. These findings strongly suggest a novel role for HCMV in the modulation of angiogenesis due to p53-independent down-regulation of TSP-1 expression.
    Keywords: Medicine
    ISSN: 0002-9440
    E-ISSN: 1525-2191
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  • 4
    Language: English
    In: ChemInform, 17 May 2005, Vol.36(20), pp.no-no
    Description: For see ChemInform in Full Text.
    Keywords: Biochemistry ; Review ; Pharmacology ; Medicinal Chemistry ; Vaccines ; Serums
    ISSN: 0931-7597
    E-ISSN: 1522-2667
    Source: John Wiley & Sons, Inc.
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  • 5
    Language: English
    In: Neoplasia: An International Journal for Oncology Research, 01 July 2004, Vol.6(4), pp.323-331
    Description: Pathologic data indicate that human cytomegalovirus (HCMV) infection might be associated with the pathogenesis of several human malignancies. However, no definitive evidence of a causal link between HCMV infection and cancer dissemination has been established to date. This study describes the...
    Keywords: Hcmv ; Ncam ; Tumor Dissemination ; N-Myc ; P73 ; Medicine
    ISSN: 1476-5586
    ISSN: 15228002
    E-ISSN: 1476-5586
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  • 6
    Language: English
    In: Expert Opinion on Biological Therapy, 01 June 2004, Vol.4(6), pp.827-836
    Description: Severe acute respiratory syndrome (SARS) is caused by the SARS coronavirus (SCV). The disease appeared in the Guandong province of southern China in 2002. The epidemic affected 〉 8422 patients and caused 908 deaths in 29 countries on 5 continents. Several treatment modalities were tried...
    Keywords: Interferon ; Sars ; Sars Coronavirus ; Pharmacy, Therapeutics, & Pharmacology
    ISSN: 1471-2598
    E-ISSN: 1744-7682
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