← Gene index
SMAD4
HGNC ↗1 article(s) in the watch · Constitutional genetics
SMAD4 is a central mediator of the TGF-β/BMP signalling pathway. Germline pathogenic SMAD4 variants are associated with juvenile polyposis syndrome, the juvenile polyposis–hereditary haemorrhagic telangiectasia overlap syndrome, and Myhre syndrome.