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    Università della Svizzera italiana

    Therapeutic efficacy of antibodies lacking FcγR against lethal dengue virus infection is due to neutralizing potency and blocking of enhancing antibodies

    Williams, Katherine L. ; Sukupolvi-Petty, Soila ; Beltramello, Martina ; Johnson, Syd ; Sallusto, Federica ; Lanzavecchia, Antonio ; Diamond, Michael S. ; Harris, Eva

    In: Plos pathogens, 2013, vol. 9, no. 2, p. e1003157

    Dengue hemorrhagic fever and dengue shock syndrome (DHF/DSS) are life-threatening complications following infection with one of the four serotypes of dengue virus (DENV). At present, no vaccine or antiviral therapies are available against dengue. Here, we characterized a panel of eight human or mouse-human chimeric monoclonal antibodies (MAbs) and their modified variants lacking effector...

    Università della Svizzera italiana

    In-depth analysis of the antibody response of individuals exposed to primary dengue virus infection

    Alwis, Ruklanthi de ; Beltramello, Martina ; Messer, William B. ; Sukupolvi-Petty, Soila ; Wahala, Wahala M. P. B. ; Kraus, Annette ; Olivarez, Nicholas P. ; Pham, Quang ; Brian, James ; Tsai, Wen-Yang ; Wang, Wei-Kung ; Halstead, Scott ; Kliks, Srisakul ; Diamond, Michael S. ; Baric, Ralph ; Lanzavecchia, Antonio ; Sallusto, Federica ; Silva, Aravinda M. de

    In: Plos neglected tropical diseases, 2011, vol. 5, no. 6, p. e1188

    Humans who experience a primary dengue virus (DENV) infection develop antibodies that preferentially neutralize the homologous serotype responsible for infection. Affected individuals also generate cross-reactive antibodies against heterologous DENV serotypes, which are non-neutralizing. Dengue cross-reactive, non-neutralizing antibodies can enhance infection of Fc receptor bearing cells and,...

    2 results 1