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Skeletal dysplasia v8.37 FGF4 Eleanor Williams Tag Q3_25_promote_green was removed from gene: FGF4.
Skeletal dysplasia v8.37 FGF4 Eleanor Williams commented on gene: FGF4: The rating of this gene has been updated to green and the mode of inheritance set to BIALLELIC, autosomal or pseudoautosomal following NHS Genomic Medicine Service approval.
Skeletal dysplasia v8.36 FGF4 Eleanor Williams Source NHS GMS was added to FGF4.
Source Expert Review Green was added to FGF4.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Skeletal dysplasia v8.6 FGF4 Eleanor Williams Classified gene: FGF4 as Amber List (moderate evidence)
Skeletal dysplasia v8.6 FGF4 Eleanor Williams Added comment: Comment on list classification: Promoting to amber with a recommendation of green rating following GMS review. 2 unrelated cases plus a supportive mouse model.
Skeletal dysplasia v8.6 FGF4 Eleanor Williams Gene: fgf4 has been classified as Amber List (Moderate Evidence).
Skeletal dysplasia v8.5 FGF4 Eleanor Williams gene: FGF4 was added
gene: FGF4 was added to Skeletal dysplasia. Sources: Literature
Q3_25_promote_green tags were added to gene: FGF4.
Mode of inheritance for gene: FGF4 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: FGF4 were set to 40259859; 33210601
Phenotypes for gene: FGF4 were set to Short-rib thoracic dysplasia 22 without polydactyly, OMIM:621260; Jeune syndrome, MONDO:0018770
Review for gene: FGF4 was set to GREEN
Added comment: Associated with Short-rib thoracic dysplasia 22 without polydactyly, OMIM:621260 (AR)

PMID: 40259859 - Watts et al 2025 report 2 unrelated families (1 in the 100,000 Genomes project) with a clinical diagnosis of thoracic dystrophy with associated respiratory insufficiency.

Family 1 - 2 affected boys clinically suspected to have Jeune syndrome, and 3 unaffected children born to healthy consanguineous 2nd cousin parents. Both affected individuals had narrow/small thorax and short ribs (11 pairs). 2nd child died at 3  months from respiratory infection. Both affected children were homozygous for a missense variant in FGF4 (c.256C>T p.(Leu86Phe)). Parents are confirmed carriers and 2 of the 3 unaffected siblings do not carry the variant.

Family 2 - 1 male with a chest shape suggesting thoracic dystrophy and a clinical suspicion of Jeune syndrome. A biallelic missense variant in FGF4 NM_002007.4:c.611C>A p.(Pro204His) was identified. Parents were both heterozygous carriers.

The variants are absent from gnomAD and UK Biobank and are predicted to be damaging by multiple in silico tools.

PMID: 33210601 - Anderson et al 2020 - Mouse mutants lacking Fgf4 Fgf4 show a variety of segmentation defects in the cervical and thoracic vertebrae with 100% penetrance.
Sources: Literature