Fig. 2From: The neuropeptide genes SST, TAC1, HCRT, NPY, and GAL are powerful epigenetic biomarkers in head and neck cancer: a site-specific analysisComparison of methylation status of the promoters of five genes in patients with hypopharyngeal cancer, laryngeal cancer, oropharyngeal cancer, or oral cancer. Filled boxes indicate the presence of methylation, and open boxes indicate the absence of methylationBack to article page