CRABP1 and congenital diaphragmatic hernia: Still, mutations in the stimulated by retinoic acid gene 6 (STRA6), a membrane receptor that controls the cellular uptake of vitamin A and cellular retinoic acid binding protein 1 (CRABP1), which is located on chromosome 15, have been found to lead to a spectrum of developmental anomalies including CDH and hyperplastic lungs (47, 48).