[Genetic causes are responsible for about 20% of cases: they are chromosomal abnormalities and gene mutations: up to date, nine genes (SHH, ZIC2, SIX3, TGIF, PATCHED1, TDGF1/CRIPTO, FAST1, GLI2 and DHCR) are definitely associated with HPE, but many others candidate gene are under investigation.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine.
Gene-disease associations inferred from text-mining the literature.
DisGeNET evidence - LITERATURE