KDR and essential thrombocythemia: The CTRL group exhibited the highest number of strong correlations, and similar findings were obtained in ET patients (IL-1β with IL-17a and IFN-γ; IL-10 with IL-12p70, IFN-γ and M-CSF; IL-17a with CCL5 and IFN-γ; IL-12p70 with CCL5 and IFN-γ; CCL5 with IFN-γ and M-CSF; VEGF with VEGF-R2; and IFN-γ with M-CSF).