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The effect of SP-A on NK cell recruitment in xenografts. A: IF staining of NKp46 (green). Nuclei were counterstained with DAPI (blue). Scale bars: 200 μm. B: Gene expression of mouse Prf1 and GzmB in PC14PE6 xenografts determined by RT-PCR. Data are the average of four to five mice per group. Data are presented as means ± SEM. ∗P < 0.05.
