PTPN6 and acute lymphoblastic leukemia: On the other hand, the expression of ptpn6 was positively correlated with Angiogenesis (cor = 0.468), Differentiation (cor = 0.305) and Metastasis (cor = 0.373) in RB, DNA damage in ALL (cor = 0.305), Differentiation in RCC (cor = 0.398), and Apoptosis in PC (cor = 0.452) (Fig. 6).