{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,6]],"date-time":"2026-06-06T00:10:58Z","timestamp":1780704658552,"version":"3.54.1"},"reference-count":62,"publisher":"American Society for Microbiology","issue":"4","license":[{"start":{"date-parts":[[2014,2,15]],"date-time":"2014-02-15T00:00:00Z","timestamp":1392422400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Virol"],"published-print":{"date-parts":[[2014,2,15]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Dengue virus (DENV) is the cause of a potentially life-threatening disease that affects millions of people worldwide. The lack of a small animal model that mimics the symptoms of DENV infection in humans has slowed the understanding of viral pathogenesis and the development of therapies and vaccines. Here, we investigated the use of humanized \u201cbone marrow liver thymus\u201d (BLT) mice as a model for immunological studies and assayed their applicability for preclinical testing of antiviral compounds. Human immune system (HIS) BLT-NOD\n            <jats:italic>\/SCID<\/jats:italic>\n            mice were inoculated intravenously with a low-passage, clinical isolate of DENV-2, and this resulted in sustained viremia and infection of leukocytes in lymphoid and nonlymphoid organs. In addition, DENV infection increased serum cytokine levels and elicited DENV-2-neutralizing human IgM antibodies. Following restimulation with DENV-infected dendritic cells,\n            <jats:italic>in vivo<\/jats:italic>\n            -primed T cells became activated and acquired effector function. An adenosine nucleoside inhibitor of DENV decreased the circulating viral RNA when administered simultaneously or 2 days postinfection, simulating a potential treatment protocol for DENV infection in humans. In summary, we demonstrate that BLT mice are susceptible to infection with clinical DENV isolates, mount virus-specific adaptive immune responses, and respond to antiviral drug treatment. Although additional refinements to the model are required, BLT mice are a suitable platform to study aspects of DENV infection and pathogenesis and for preclinical testing of drug and vaccine candidates.\n          <\/jats:p>\n          <jats:p>\n            <jats:bold>IMPORTANCE<\/jats:bold>\n            Infection with dengue virus remains a major medical problem. Progress in our understanding of the disease and development of therapeutics has been hampered by the scarcity of small animal models. Here, we show that humanized mice, i.e., animals engrafted with components of a human immune system, that were infected with a patient-derived dengue virus strain developed clinical symptoms of the disease and mounted virus-specific immune responses. We further show that this mouse model can be used to test preclinically the efficacy of antiviral drugs.\n          <\/jats:p>","DOI":"10.1128\/jvi.03085-13","type":"journal-article","created":{"date-parts":[[2013,12,12]],"date-time":"2013-12-12T01:56:24Z","timestamp":1386813384000},"page":"2205-2218","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":58,"title":["Utility of Humanized BLT Mice for Analysis of Dengue Virus Infection and Antiviral Drug Testing"],"prefix":"10.1128","volume":"88","author":[{"given":"Natalia","family":"Frias-Staheli","sequence":"first","affiliation":[{"name":"Center for the Study of Hepatitis C, Laboratory for Virology and Infectious Disease, The Rockefeller University, New York, New York, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcus","family":"Dorner","sequence":"additional","affiliation":[{"name":"Center for the Study of Hepatitis C, Laboratory for Virology 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