INO-4800 DNA vaccine induces neutralizing antibodies and T cell activity against global SARS-CoV-2 variants

被引:36
作者
Andrade, Viviane M. [1 ]
Christensen-Quick, Aaron [1 ]
Agnes, Joseph [1 ]
Tur, Jared [1 ]
Reed, Charles [1 ]
Kalia, Richa [1 ]
Marrero, Idania [1 ]
Elwood, Dustin [1 ]
Schultheis, Katherine [1 ]
Purwar, Mansi [2 ]
Reuschel, Emma [2 ]
McMullan, Trevor [1 ]
Pezzoli, Patrick [1 ]
Kraynyak, Kim [1 ]
Sylvester, Albert [1 ]
Mammen, Mammen P. [1 ]
Tebas, Pablo [3 ]
Joseph Kim, J. [1 ]
Weiner, David B. [2 ]
Smith, Trevor R. F. [1 ]
Ramos, Stephanie J. [1 ]
Humeau, Laurent M. [1 ]
Boyer, Jean D. [1 ]
Broderick, Kate E. [1 ]
机构
[1] Inovio Pharmaceut, Plymouth Meeting, PA 19462 USA
[2] Wistar Inst Anat & Biol, Vaccine & Immunotherapy Ctr, 3601 Spruce St, Philadelphia, PA 19104 USA
[3] Hosp Univ Penn, 3400 Spruce St, Philadelphia, PA 19104 USA
关键词
D O I
10.1038/s41541-021-00384-7
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Global surveillance has identified emerging SARS-CoV-2 variants of concern (VOC) associated with broadened host specificity, pathogenicity, and immune evasion to vaccine-induced immunity. Here we compared humoral and cellular responses against SARS-CoV-2 VOC in subjects immunized with the DNA vaccine, INO-4800. INO-4800 vaccination induced neutralizing antibodies against all variants tested, with reduced levels detected against B.1.351. IFN gamma T cell responses were fully maintained against all variants tested.
引用
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页数:4
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