Only MMPs were positively correlated to GAL-1 in children with CeD (MMP-3: r = 0.53, P = 0.039) or reference children (MMP-2: r = 0.41, P = 0.007), respectively ( Supplementary Fig. 4c and d, respectively). The gene discussed is MMP2; the disease is cranioectodermal dysplasia.