Another GWAS, in adults with SCD, identified variants in three additional genes as associated with eGFR (Table 2) [17]: rs1968911 in LRP1B, rs4903539 in linc02288, and rs7526762 in FPGT-TNNI3K/TNNI3K. Here, TNNI3K is linked to Schnyder corneal dystrophy.