DNA fusion gene vaccines
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DNA fusion gene vaccines. / Holst, Peter Johannes; Bassi, Maria Rosaria; Thomsen, Allan Randrup; Christensen, Jan Pravsgaard.
In: Current Opinion in Molecular Therapeutics, Vol. 12, No. 1, 2010, p. 47-54.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - DNA fusion gene vaccines
AU - Holst, Peter Johannes
AU - Bassi, Maria Rosaria
AU - Thomsen, Allan Randrup
AU - Christensen, Jan Pravsgaard
PY - 2010
Y1 - 2010
N2 - DNA vaccines are versatile and safe, but limited immunogenicity has prevented their use in the clinical setting. Experimentally, immunogenicity may be enhanced by the use of new delivery technologies, by coadministration of cytokines and pathogen-associated molecular patterns, or by fusion of antigens into molecular domains that enhance antigen presentation. More specifically, the immunogenicity of DNA vaccines may benefit from increased protein synthesis, increased T-cell help and MHC class I presentation, and the addition of a range of specific cytokines and pathogen-associated molecular patterns that increase activation of the innate immune system. Importantly, viral-vectored vaccines that act through the induction of one or more of these factors also may benefit from cytokine coadministration and increased antigen presentation. In order to increase immunogenicity to the level achieved with viral-vectored vaccines, various synergistic components may need to be incorporated into DNA vaccines. From the perspective of the future clinical use of DNA vaccines, it has been suggested that antigen presentation should be improved and cytokine coadministration attempted. However, even with these modifications, it is likely that the primary use of DNA vaccines may be as primers for viral-vectored vaccines, rather than as single agents. This review discusses the approaches used to enhance DNA vaccine immunogenicity, with a primary focus on fusion strategies that enhance antigen presentation.
AB - DNA vaccines are versatile and safe, but limited immunogenicity has prevented their use in the clinical setting. Experimentally, immunogenicity may be enhanced by the use of new delivery technologies, by coadministration of cytokines and pathogen-associated molecular patterns, or by fusion of antigens into molecular domains that enhance antigen presentation. More specifically, the immunogenicity of DNA vaccines may benefit from increased protein synthesis, increased T-cell help and MHC class I presentation, and the addition of a range of specific cytokines and pathogen-associated molecular patterns that increase activation of the innate immune system. Importantly, viral-vectored vaccines that act through the induction of one or more of these factors also may benefit from cytokine coadministration and increased antigen presentation. In order to increase immunogenicity to the level achieved with viral-vectored vaccines, various synergistic components may need to be incorporated into DNA vaccines. From the perspective of the future clinical use of DNA vaccines, it has been suggested that antigen presentation should be improved and cytokine coadministration attempted. However, even with these modifications, it is likely that the primary use of DNA vaccines may be as primers for viral-vectored vaccines, rather than as single agents. This review discusses the approaches used to enhance DNA vaccine immunogenicity, with a primary focus on fusion strategies that enhance antigen presentation.
M3 - Journal article
C2 - 20140816
VL - 12
SP - 47
EP - 54
JO - Current Opinion in Molecular Therapeutics
JF - Current Opinion in Molecular Therapeutics
SN - 1464-8431
IS - 1
ER -
ID: 18081205