Louise Daugherty Phenotypes for gene: TERT were changed from Dyskeratosis congenita 2 613989, Dyskeratosis congenita 4 613989; Dyskeratosis congenita; Hoyeraal-Hreidarsson syndrome; Intrauterine growth retardation, microcephaly, nail dystrophy, sparse scalp hair and eyelashes, hyperpigmentation of skin, palmar hyperkeratosis, premalignant oral leukoplakia, pancytopenia, myelodysplasia, +/- recurrent infections. A severe phenotype with developmental delay and cerebellar hypoplasia known as Hoyeraal-Hreidarsson Syndrome (HHS) may occur in some DKC patients; Combined immunodeficiencies with associated or syndromic features to Bone marrow failure, pulmonary and hepatic fibrosis, nail dystrophy, leukoplakia, reticulate skin pigmentation; microcephaly, neurodevelopmental delay; Bone marrow failure, pulmonary and hepatic fibrosis, nail dystrophy, leukoplakia, reticulate skin pigmentation; microcephaly, neurodevelopmental delay; Bone marrow failure
Louise Daugherty commented on gene: TERT: OriginaI Metadata from IUIS classification table (December, 2019). IUIS Genetic defect (original gene symbol in IUIS download): TERT .PanelApp HGNC gene symbol check: TERT . IUIS Disease: AD/AR-DKC due to TERT deficiency . IUIS Inheritance: AD or AR .T cells: normal to low / normal to low, .B cells: Normal to low / normal to low, .IUIS Other affected cells: Hematopoietic stem cell / Hematopoietic stem cell. IUIS Associated features: Bone marrow failure, pulmonary and hepatic fibrosis, nail dystrophy, leukoplakia, reticulate skin pigmentation; microcephaly, neurodevelopmental delay / Bone marrow failure, pulmonary and hepatic fibrosis, nail dystrophy, leukoplakia, reticulate skin pigmentation; microcephaly, neurodevelopmental delay. IUIS Major category: Bone marrow failure, UIS Subcategory: none given