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Currently, there is no registered treatment for infections with emerging zoonotic coronaviruses like SARS- and MERS-coronavirus. We here report that in cultured cells low-micromolar concentrations of alisporivir, a non-immunosuppressive cyclosporin A-analog, inhibit the replication of four different coronaviruses, including MERS- and SARS-coronavirus. Ribavirin was found to further potentiate the...
Two zoonotic coronaviruses (CoVs)—SARS-CoV and MERS-CoV—have crossed species to cause severe human respiratory disease. Here, we showed that induction of airway memory CD4+ T cells specific for a conserved epitope shared by SARS-CoV and MERS-CoV is a potential strategy for developing pan-coronavirus vaccines. Airway memory CD4+ T cells differed phenotypically and functionally from lung-derived cells...
Mice that are transgenic (Tg) for T cell receptor (TCR) expression are used extensively to analyze longitudinal T cell responses during effector and memory phases of the T cell response. Generation of TCR Tg mice generally requires T cell stimulation and cloning in vitro prior to amplification, processes which introduce biases into selection of the TCR that is ultimately chosen for TCR Tg mouse generation...
The severe acute respiratory syndrome coronavirus (SARS-CoV) caused substantial morbidity and mortality in 2002–2003. Deletion of the envelope (E) protein modestly diminished virus growth in tissue culture but abrogated virulence in animals. Here, we show that immunization with rSARS-CoV-ΔE or SARS-CoV-Δ[E,6-9b] (deleted in accessory proteins (6, 7a, 7b, 8a, 8b, 9b) in addition to E) nearly completely...
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