BMP6 and Schnyder corneal dystrophy: Expression of BMP6 mRNA was detected in the renal cortex, but no significant differences were observed between SCD and control mice (Figure 5A, Bmp6-Actb delta Ct, −2.45 ± 0.19 in SCD vs. −2.48 ± 0.09 in control, p = 0.8977).