Journal
VIRUSES-BASEL
Volume 13, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/v13061023
Keywords
vaccine vector; parainfluenza virus; paramyxovirus; pneumovirus; HRSV; envelope glycoprotein; fusion glycoprotein; attachment protein
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This study reviews the development of Sendai virus (SeV) as a versatile pediatric vaccine targeting various respiratory viruses, with positive results from clinical trials completed. Collaborative efforts with multiple institutions have advanced further development of the vaccine, showing promising prospects for successful application in infants.
Human respiratory syncytial virus (HRSV), human metapneumovirus (HMPV), and human parainfluenza viruses (HPIVs) are leading causes of respiratory disease in young children, the elderly, and individuals of all ages with immunosuppression. Vaccination strategies against these pneumoviruses and paramyxoviruses are vast in number, yet no licensed vaccines are available. Here, we review development of Sendai virus (SeV), a versatile pediatric vaccine that can (a) serve as a Jennerian vaccine against HPIV1, (b) serve as a recombinant vaccine against HRSV, HPIV2, HPIV3, and HMPV, (c) accommodate foreign genes for viral glycoproteins in multiple intergenic positions, (d) induce durable, mucosal, B-cell, and T-cell immune responses without enhanced immunopathology, (e) protect cotton rats, African green monkeys, and chimpanzees from infection, and (f) be formulated into a vaccine cocktail. Clinical phase I safety trials of SeV have been completed in adults and 3-6-year-old children. Clinical testing of SeVRSV, an HRSV fusion (F) glycoprotein gene recombinant, has also been completed in adults. Positive results from these studies, and collaborative efforts with the National Institutes of Health and the Serum Institute of India assist advanced development of SeV-based vaccines. Prospects are now good for vaccine successes in infants and consequent protection against serious viral disease.
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