The concentration of the remaining 60 out of 67 cytokines tested, including SCF, G-CSF, GM-CSF, IL-3, and IL-8, which were shown to be elevated in crisis [27], were undetectable or were detected at similar levels in the SCD patients and in healthy controls (Figure 3B and Table S3). The gene discussed is KITLG; the disease is Schnyder corneal dystrophy.