Fig. 1From: Association between methylation in nasal epithelial TSLP gene and chronic rhinosinusitis with nasal polypsGenomic localization and overview of the CpG sites investigated. In the present study, a large region in a CpG island located in the sfTSLP proximal promoter was covered from − 307 to + 28. CpG11 site could not be measured because of technical limitations of the assay. TSS transcription start siteBack to article page