Table 1

Retinoic acid receptor (RAR-β2) promoter methylation status in head and neck squamous cell carcinoma and adjacent normal tissue samples

No.PatientPrimary siteRAR-β2 methylation statusa
NbTc
1B6LarynxUM
2F6LarynxUU
3C2LarynxUM
4C7LarynxMM
5G3LarynxUU
6D30LarynxMM
7G4LarynxUU
8F60LarynxUU
9E6PharynxUU
10C3Floor of mouthUM
11B8Floor of mouthMM
12F8MandibleUM
13A1SubmandibularUM
14D3MaxillaUU
15U17MaxillaNAM
16U8Maxillary sinusNAU
17U2Upper jawNAU
18U11Sphenoid sinusNAM
19A7NeckMM
20G8NeckUM
21H8NeckUM
22U19NoseNAU
23C8EarMM
24G60EarMM
25E5TongueUM
26C20TongueUM
27E60TongueUM
  • a M, methylated (heterogeneous methylated and unmethylated DNA); U, unmethylated (homogenous unmethylated DNA); NA, not available.

  • b Normal adjacent tissue.

  • c Tumor tissue.