Besides, there were significant differences of rs7903491 in CTNNA3 (genotype p = 0.030, OR = 1.34[1.03–1.74]; allele p = 0.029, OR = 1.16[1.02–1.32]) between ET cases and controls, which support a risky role of rs7903491 in CTNNA to ET. Here, CTNNA3 is linked to essential thrombocythemia.