Mika Nagai

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Human T cell leukemia virus type I (HTLV-I) causes adult T-cell leukemia (ATL) in infected individuals after a long incubation period. Immunological studies have suggested that insufficient host T cell response to HTLV-I is a potential risk factor for ATL. To understand the relationship between host T cell response and HTLV-I pathogenesis in a rat model(More)
In vivo studies of HIV-1 pathogenesis and testing of antiviral strategies have been hampered by the lack of an immunocompetent small animal model that is highly susceptible to HIV-1 infection. Although transgenic rats that express the HIV-1 receptor complex hCD4 and hCCR5 are susceptible to infection, HIV-1 replicates very poorly in these animals. To(More)
The discovery of a new series of potent phosphodiesterase 7 (PDE7) inhibitors is described. Novel thieno[3,2-d]pyrimidin-4(3H)-one hit compounds were identified from our chemical library. Preliminary modifications of the hit compounds were performed, resulting in the discovery of a fragment-sized compound (10) with highly improved ligand efficiency.(More)
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