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. 2023 Feb 3;9(1):e002851. doi: 10.1136/rmdopen-2022-002851

Figure 5.

Figure 5

IL17A peptide vaccine does not mitigate MT-induced SpA in treatment model. (A) Experimental protocol for IL17A vaccination of MT-induced SpA treatment model in HLA-B27 transgenic rats. MT was administered to induce SpA at a week before administration of IL17A vaccine. IL17A vaccine or KLH control was administrated thrice at 2 weeks interval. Blood was collected at 1, 3, 5, 7 and 10 weeks to evaluate the antibody titre. The arthritis score and joint thickness were evaluated every few days. B.C.: blood collection. (B) Antibody titre for IL17A epitope. (C) Body weight was monitored after MT administration. (D) Arthritis score and (E) joint thickness were analysed every 2–3 days to determine the arthritis severity. Data are shown as the mean ± SE error of the mean (SEM). See also online supplemental figure 4.