GRIN2A and reading: It was found that DNA methylation sites of 7 genes such as MAP4 (cg04441191), KSR2 (cg05658717), GRIN2A (cg09622330), YWHAG (cg10698404), SPAG9 (cg17047993), CEP135 (cg24504843), and CEP250 (cg24531267) were closely related to the prognosis of READ, which could be used as prognostic markers of READ.