Inhibition of breast cancer cells by targeting E2F-1 gene and expressing IL15 oncolytic adenovirus

Author:

Yan Yang12,Xu Hu1,Wang Jiandong1ORCID,Wu Xin1,Wen Wei2,Liang Yan3,Wang Lingdi2,Liu Fengyuan1,Du Xiaohui1

Affiliation:

1. Department of General Surgery, Chinese People’s Liberation Army General Hospital, Beijing 100853, China

2. Department of General Surgery, Hainan Hospital of Chinese People’s Liberation Army General Hospital, Sanya 572013, China

3. Department of Pediatrics, Chinese People’s Liberation Army General Hospital, Beijing 100853, China

Abstract

Abstract The wide application of oncolytic adenovirus presents a novel therapeutic strategy for breast cancer gene therapy. Application of adenovirus alone achieves little curative effects on breast cancer. In addition, it is worth exploring the synergistic anti-tumor effect by inserting immunomodulatory factor in oncolytic adenovirus genome. By taking the advantage of the highly proliferative property of breast cancer, a novel recombinant adenovirus which could selectively kill tumor cells is established under an E2F-1 promoter. Also by carrying human Interleukin-15 (IL-15) gene, the oncolytic adenovirus exhibits an immunomodulatory effect. The present study proved that the novel oncolytic virus (SG400-E2F/IL-15) exhibits an enhanced anti-tumor activity both in vitro and in vivo, representing an experimental basis for breast cancer “virus-gene” therapy.

Publisher

Portland Press Ltd.

Subject

Cell Biology,Molecular Biology,Biochemistry,Biophysics

Reference21 articles.

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