Genome-wide methylation analysis of esophageal squamous cell carcinoma. Homo sapiens

Genome-wide methylation analysis was performed by methylated DNA immunoprecipitation-CGI microarray analysis. Overall design: A pool of four cancer samples without lymph node metastasis, two pools of four cancer samples with lymph node metastasis, and three metastatic lymph nodes were prepared from the patients, and analyzed by MeDIP-CGI microarray.