Amelogenesis Imperfecta, Type Ib, also known as ai1b, is related to amelogenesis imperfecta and amelogenesis imperfecta, type ie. An important gene associated with Amelogenesis Imperfecta, Type Ib is ENAM (Enamelin), and among its related pathways/superpathways is Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs). Affiliated tissues include liver and kidney, and related phenotypes are amelogenesis imperfecta and Increased shRNA abundance (Z-score > 2)