The function of DCHS1 (dachsous cadherin-related 1, Ensembl gene identifier ENSG00000166341) is as follows. Calcium-dependent cell-adhesion protein. Mediates functions in neuroprogenitor cell proliferation and differentiation. In the heart, has a critical role for proper morphogenesis of the mitral valve, acting in the regulation of cell migration involved in valve formation (PubMed:26258302). .