A Candidate Dengue Vaccine Walks a Tightrope
نویسندگان
چکیده
منابع مشابه
A Promising, Single-Dose, Live Attenuated Tetravalent Dengue Vaccine Candidate.
Dengue virus (DENV) represents a rapidly expanding global health threat, with approximately 40% of the world’s population now living in >100 countries at risk for DENV transmission, including the United States [1, 2]. In 2010, an estimated 390 million DENV infections occurred worldwide, of which 96 million were symptomatic [3]. DENV infections produce a spectrum of clinical disease. This includ...
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Denvaxia is the first licensed vaccine for the prevention of dengue. It is a live vaccine developed using recombinant DNA technology. The vaccine is given as three doses over the course of a year and has the potential to prevent hundreds of thousands of hospitalizations each year.
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We have constructed a chimeric yellow fever/dengue (YF/DEN) virus, which expresses the premembrane (prM) and envelope (E) genes from DEN type 2 (DEN-2) virus in a YF virus (YFV-17D) genetic background. Immunization of BALB/c mice with this chimeric virus induced a CD8 T-cell response specific for the DEN-2 virus prM and E proteins. This response protected YF/DEN virus-immunized mice against let...
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Background: DNA immunization with plasmid DNA encoding bacterial, viral, parasitic and tumor antigens has been reported to trigger protective immunity. Objective: To evaluate the use of a DNA immunization strategy for protection against anthrax, a plasmid was constructed. Methods: The partialsequence of protective antigen of Bacillus anthracis, amino acids 175-764, as a potent immunogenic targe...
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Dengue 4 virus strain 341750 serially passaged 20 times in primary dog kidney (PDK) cells was shown to have reduced infectivity for rhesus monkeys but was immunogenic and protected the monkeys from challenge with low passage parent dengue 4 virus. The dengue 4 PDK20 virus was also shown to be attenuated for human volunteers. We compared the genomic nucleotide sequences of low passage parent and...
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ژورنال
عنوان ژورنال: New England Journal of Medicine
سال: 2015
ISSN: 0028-4793,1533-4406
DOI: 10.1056/nejme1509442