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PLoS One 2013;8(3):e55435

Vaccination to conserved influenza antigens in mice using a novel Simian adenovirus vector, PanAd3, derived from the bonobo Pan paniscus.

Vitelli A, Quirion MR, Lo CY, Misplon JA, Grabowska AK, Pierantoni A, Ammendola V, Price GE, Soboleski MR, Cortese R, Colloca S, Nicosia A, Epstein SL


Among approximately 1000 adenoviruses from chimpanzees and bonobos studied recently, the Pan Adenovirus type 3 (PanAd3, isolated from a bonobo, Pan paniscus) has one of the best profiles for a vaccine vector, combining potent transgene immunogenicity with minimal pre-existing immunity in the human population. In this study, we inserted into a replication defective PanAd3 a transgene expressing a fusion protein of conserved influenza antigens nucleoprotein (NP) and matrix 1 (M1). We then studied antibody and T cell responses as well as protection from challenge infection in a mouse model. A single intranasal administration of PanAd3-NPM1 vaccine induced strong antibody and T cell responses, and protected against high dose lethal influenza virus challenge. Thus PanAd3 is a promising candidate vector for vaccines, including universal influenza vaccines.

Category: Journal Article
PubMed ID: #23536756 DOI: 10.1371/journal.pone.0055435
PubMed Central ID: #PMC3594242
Includes FDA Authors from Scientific Area(s): Biologics Medical Devices
Entry Created: 2012-06-28 Entry Last Modified: 2019-10-27