A novel fiber chimeric conditionally replicative adenovirus-Ad5/F35 for tumor therapy.

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A novel fiber chimeric conditionally replicative adenovirus-Ad5/F35 for tumor therapy.

Cancer Biol Ther. 2017 Nov 16;:1-8

Authors: Yang M, Yang CS, Guo W, Tang J, Huang Q, Feng S, Jiang A, Xu X, Jiang G, Liu YQ

Abstract
Significant progress has been made in the diagnosis and treatment of cancer; however, significant challenges remain. Conditionally replicating adenoviruses (CRAds), which not only kill cancer cells, but also serve as vectors to express therapeutic genes, are a novel and effective method to treat cancer. However, most adenoviruses are Ad5, which infect cells through the coxsackie and adenovirus receptor (CAR). The transduction efficacy of Ad5 is restricted because of the absent or low expression of CAR on several cancer cells. Ad serotype 35 has a different tropism pattern to Ad5. Ad35 attaches to cells via a non-CAR receptor, CD46, which is expressed widely on most tumor cells. Thus, chimeric adenoviral vectors consisting of the knob and shaft of Ad35 combined with Ad5 have been constructed. The chimeric fiber adenoviral vectors can transduce CAR-positive and CAR-negative cell lines. In this review, we explore the application of the novel fiber chimeric conditionally replicative adenovirus-Ad5/F35 in tumor therapy in terms of safety, mechanism, transduction efficacy, and antitumor effect.

PMID: 29144842 [PubMed - as supplied by publisher]

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