CKB and gastric cancer: However, in GC samples, a direct correlation was observed among the methylation percentage of the three studied kinases: SRC and LYN (p < 0.001, ρ = 0.840); SRC and CKB (p < 0.001, ρ = 0.684); LYN and CKB (p < 0.001, ρ = 0.663).