PRP4K and neoplasm: Additionally, the results indicated that tumor purity was only significantly correlated with LIPT1 (cor = 0.176, p = 5.84 × 10−3), NCOA6 (cor = 0.302, p = 1.43 × 10−6) and PRPF4B (cor = 0.188, p = 3.06 × 10−3), respectively.