MONDO_0019569 (Cockayne syndrome type 1) is cockayne syndrome caused by mutation(s) in the ERCC8 gene, encoding DNA excision repair protein ERCC-8. Also known as: Cockayne syndrome A, Cockayne syndrome caused by mutation in ERCC8, Cockayne syndrome type I, Cockayne syndrome type a, Cockayne syndrome, type A, ERCC8 Cockayne syndrome.