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Ectodermal Dysplasia v0.86 FOSL2 Zornitza Stark Phenotypes for gene: FOSL2 were changed from Neurodevelopmental disorder, MONDO:0700092, FOSL2-related to Aplasia cutis-enamel dysplasia syndrome, MIM# 620789
Ectodermal Dysplasia v0.85 FOSL2 Zornitza Stark reviewed gene: FOSL2: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Aplasia cutis-enamel dysplasia syndrome, MIM# 620789; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Ectodermal Dysplasia v0.73 FOSL2 Zornitza Stark Marked gene: FOSL2 as ready
Ectodermal Dysplasia v0.73 FOSL2 Zornitza Stark Gene: fosl2 has been classified as Green List (High Evidence).
Ectodermal Dysplasia v0.73 FOSL2 Zornitza Stark Classified gene: FOSL2 as Green List (high evidence)
Ectodermal Dysplasia v0.73 FOSL2 Zornitza Stark Gene: fosl2 has been classified as Green List (High Evidence).
Ectodermal Dysplasia v0.72 FOSL2 Krithika Murali gene: FOSL2 was added
gene: FOSL2 was added to Ectodermal Dysplasia. Sources: Literature
Mode of inheritance for gene: FOSL2 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: FOSL2 were set to 36197437
Phenotypes for gene: FOSL2 were set to Neurodevelopmental disorder, MONDO:0700092, FOSL2-related
Review for gene: FOSL2 was set to GREEN
Added comment: PMID 36197437 Cospain et al 2022 report 11 individuals from 10 families with heterozygous PTC variants in exon 4/4 of the FOSL2 gene. All variants were predicted to escape NMD resulting in a truncated protein, with the truncation occurring proximal to the C-terminal domain (supportive functional studies).

In 10/11 families the variant occurred de novo in a single affected proband. In one family with 2 affected siblings, the variant was present in the siblings but absent in the unaffected parent likely due to gonadal mosaicism.

Clinical features included:
- Cutis aplasia congenital of the scalp (10/11)
- Tooth enamel hypoplasia and discolouration (8/9)
- Multiple other ectodermal features also noted e.g. small brittle nails, hypotrichosis/hypertrichosis, lichen sclerosis
- 5 individuals had cataracts (mostly bilateral, congenital/early childhood onset)
- 6/9 IUGR
- 5/9 postnatal growth restriction
- 7/9 developmental delay/ID
- 5/7 ADHD/ASD
- 2/9 seizures
Sources: Literature