has material basis in germline mutation in SREBF1 IFAP syndrome IFAP syndrome 2 https://github.com/monarch-initiative/mondo/issues/4521 https://www.malacards.org/card/ifap_syndrome_2 ichthyosis , follicular, with atrichia and photophobia syndrome 2 ichthyosis follicularis, atrichia, and photophobia syndrome 2 UMLS:C5436607 IFAP2 OMIM:619016 MEDGEN:1763502 IFAP SYNDROME 2 GARD:0016402 MONDO:0100221