In AT patients, median IL-6 values were 1.15 (0.8), 0.85 (0.8), 1.3 (0.9), and 0.6 (1.1) pg/mL, respectively in HP+, HP−, HP+/CagA+, and HP+/CagA− patients. The gene discussed is IL6; the disease is ataxia telangiectasia.