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- Ahmadi, M, et al.
(författare)
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Immunization with HER2 extracellular subdomain proteins induces cellular response and tumor growth inhibition in mice
- 2018
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Ingår i: Immunotherapy. - : Future Medicine Ltd. - 1750-7448 .- 1750-743X. ; 10:6, s. 511-524
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Tidskriftsartikel (refereegranskat)abstract
- Aim: We investigated cellular and protective immune responses in mice vaccinated with recombinant HER2 extracellular subdomains. Materials & methods: Balb/C mice were immunized with recombinant full HER2 extracellular domain and subdomain proteins. Humoral and cellular immune response and antitumor effect was evaluated using a syngeneic mice tumor model. Results: All recombinant proteins induced secretion of IL-4 and particularly IFN-γ and IL-17 cytokines. Challenging of immunized mice with stable 4T1-HER2 transfected cells resulted in partial but significant tumor growth inhibition in all groups of mice particularly those immunized with fHER2-ECD together with CPG. Conclusion: Our results suggest that the recombinant HER2-ECD subdomains induce mainly Th1 and Th17 responses, which seem to contribute to tumor growth inhibition in syngeneic mice.
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