Table 1.
Summary of DLEC1 methylation status in multiple carcinomas
| Samples | Promoter methylation (%) |
|---|---|
| Carcinoma cell lines | |
| Esophageal | 17/18 |
| Nasopharyngeal | 5/5 |
| Lung | 6/9 |
| Primary carcinomas | |
| ESCC (cohort I, paired tumor, Chinese) ESCC (cohort II, Chinese) |
27/41 (66%) 40/83 (48%) |
| NPC (endemic, Chinese) | 37/50 (74%) |
| Lung Ca | 35/61 (57%) |
| Normal epithelial cell lines (immortalized) | |
| Esophageal (Het-1A, NE1, NE3) | 2/3 |
| Nasopharyngeal (NP69) | 1/1 |
| Normal tissues | |
| Normal nasopharyngeal tissues | 0/3 |
| Paired surgical-margin tissue of ESCC | 0/35 |