Similar concerns the STAT6: while the protein level is higher in WK than in KK, it is lower in KA than in KK; the most evident observations were noted in the CAL-29 cell line (respectively for RT-112, HT-1376 and CAL-29, the mean expression for KK was 0.0355 ± 0.0006, 0.6252 ± 0.0684 and 0.0388 ± 0.0019; for WK was 0.1081 ± 0.0028, 2.6025 ± 0.5481 and 0.2017 ± 0.0039; for KC was 0.0172 ± 0.0023, 0.4847 ± 0.0472 and 0.0180 ± 0.0019). The gene discussed is STAT6; the disease is keratoconus.