So far, mutations in 19 RP genes (RPS19, RPS24, RPS17, RPL35A, RPL5, RPL11, RPS7, RPS10, RPS26, RPL26, RPL15, RPL31, RPS29, RPS28, RPL27, RPS27, RPS15A, RPL35, RPL18) have been identified in DBA patients, including deletions, missense, nonsense and splice mutations4–17. This evidence concerns the gene RPL5 and Diamond-Blackfan anemia.