Preclinical study of a novel therapeutic vaccine for recurrent respiratory papillomatosis.
Preclinical study of a novel therapeutic vaccine for recurrent respiratory papillomatosis.
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DOI:
10.1038/s41541-021-00348-x
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发表时间:
2021-06-18
期刊:
影响因子:
9.2
通讯作者:
Allen CT
中科院分区:
文献类型:
--
作者:
Lee MY;Metenou S;Brough DE;Sabzevari H;Bai K;Jochems C;Schlom J;Allen CT
Activation of antigen-specific T-lymphocyte responses may be needed to cure disorders caused by chronic infection with low-risk human papillomavirus (lrHPV). Safe and effective adjuvant therapies for such disorders are needed. The safety and efficacy of a novel gorilla adenovirus vaccine expressing a protein designed to elicit immune responses directed against HPV6 and HPV11, PRGN-2012, was studied using in vitro stimulation of T lymphocytes from patients with recurrent respiratory papillomatosis, in vivo vaccination studies, and therapeutic studies in mice bearing tumors expressing lrHPV antigen. PRGN-2012 treatment induces lrHPV antigen-specific responses in patient T lymphocytes. Vaccination of wild-type mice induces E6-specific T-lymphocyte responses without toxicity. In vivo therapeutic vaccination of mice bearing established HPV6 E6 expressing tumors results in HPV6 E6-specific CD8+ T-lymphocyte immunity of sufficient magnitude to induce tumor growth delay. The clinical study of PRGN-2012 in patients with disorders caused by chronic infection with lrHPV is warranted.
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DOI:
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发表时间:
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影响因子:
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