alexa Cellular immunity induced by a novel HPV18 DNA vaccine encoding an E6 E7 fusion consensus protein in mice and rhesus macaques.


Translational Medicine

Author(s): Yan J, Harris K, Khan AS, DraghiaAkli R, Sewell D,

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Abstract Human papilloma-virus (HPV) infection is the major cause of cervical cancer. HPV18 is the most prevalent high-risk HPV after type 16 that accounts for the largest number of cervical cancer cases worldwide. Currently, although prophylactic vaccines have been developed, there is still an urgent need to develop therapeutic HPV vaccines for targeting tumors post-infection. In this study, we utilize a novel multi-phase strategy for HPV18 antigen development with the goal of increasing anti-HPV18 cellular immunity. Our data show that this construct can induce strong cellular immune responses against HPV18 E6 and E7 antigens in a murine model. Moreover, when applied to rhesus monkeys, this construct is also able to elicit cellular immunity. These data suggest such DNA immunogens are candidates for further study in the eventual context of immunotherapy for HPV-associated cancers.
This article was published in Vaccine and referenced in Translational Medicine

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