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Real-time PCR analysis of expression of mRNA for B7-H1, B7-H2, B7-H3, B7-H4, B7-DC, and 18 sRNA in human sinonasal tissue from control subjects (n = 7) and subjects with CRS (CRS, n = 5). Values shown are mean ± SEM CT from Taqman analysis and reflect target mRNA. The Y scale is inverted so that higher bars represent higher levels of mRNA. Probes, primers, and assays used are described in MATERIALS AND METHODS. *P < 0.05 as compared with control subjects.
