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. 2015 Jun 24;11(6):e1004941. doi: 10.1371/journal.ppat.1004941

Fig 1. EGFP+ cells are infected by ECTV and directly present antigen in a TAP dependent manner.

Fig 1

(A and B) Expression of EGFP 12 h.p.i with NP-EGFP i.d. or vehicle. D-LN were analyzed by flow cytometry (12 h.p.i) (A) or by fluorescence microscopy (6 h.p.i) (B) (Representative of 5 experiments). (C) C57BL/6.SJL cells were infected with ECTV wt or NP-S-EGFP in vitro, treated with UV-C and psoralen and injected i.v. into C57BL/6 mice. Positive control C57BL/6 mice were injected i.v. with ECTV NP-S-EGFP. Twelve hours later, spleens were harvested and recipient cells were analyzed for EGFP expression by flow cytometry (Representative of 3 experiments. Nos. are % of cells). (D) Expression of Kb-SIINFEKL complexes by splenocytes 24 hr after immunization with NP-S-EGFP or NP-EGFP i.v. analyzed by flow cytometry (Representative of >10 experiments (n = 3 mice per condition per experiment) and nos. represent % of cells). (E) TAP1-/- or C57BL/6 mice were injected with NP-S-EGFP, as described in (D) (Representative of 3 experiments and nos. represent % of cells).