Adjuvant effect of dendritic cells transduced with recombinant vaccinia virus expressing HPV16-E7 is inhibited by co-expression of IL12

. 2004 Jun ; 24 (6) : 1581-8.

Jazyk angličtina Země Řecko Médium print

Typ dokumentu srovnávací studie, časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/pmid15138603

Dendritic cells (DC) enhanced the immunogenicity of recombinant vaccinia viruses (rVV) expressing the E7 protein of HPV16, a tumor-associated antigen (TAA). Immunization with DC transduced by rVV generated from strain Praha or MVA induced better protection against the growth of transplanted TC-1 tumors in C57Bl/6 mice than did immunization with either of these rVVs administered alone by the same route. Interestingly, DC transduced with a double recombinant vaccinia virus expressing E7 protein together with the Th1-polarizing cytokine IL12, which has been shown to enhance the cellular response in several other systems, induced lower anti-tumor immunity than DC transduced with rVV expressing E7 protein alone. The inhibitory effect mediated by IL12 on immunization with rVV-infected DC was dose-dependent and was observed after immunization with DC transduced with IL12-expressing rVV even at low multiplicity.

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