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Germ status does not change PRR expression. TLR-2, -4, -5, and -9 expression on KCs from CL and GF mice before (solid line) or 24 hours after treatment (dashed line) with 100 ng of flagellin revealed no change in TLR expression. Isotype controls are shown in gray. Histograms are representative of two independent experiments (n = 3 to 4 per group). Adult CL and GF mice were used.
