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Paediatric disorders - additional genes v3.5 FOXI3 Arina Puzriakova Tag Q4_22_promote_green was removed from gene: FOXI3.
Paediatric disorders - additional genes v3.5 FOXI3 Arina Puzriakova commented on gene: FOXI3: The rating of this gene has been updated to Green and the mode of inheritance set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown following NHS Genomic Medicine Service approval.
Paediatric disorders - additional genes v3.4 FOXI3 Arina Puzriakova Source Expert Review Green was added to FOXI3.
Source NHS GMS was added to FOXI3.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Paediatric disorders - additional genes v1.108 FOXI3 Arina Puzriakova Classified gene: FOXI3 as Amber List (moderate evidence)
Paediatric disorders - additional genes v1.108 FOXI3 Arina Puzriakova Added comment: Comment on list classification: This gene should be promoted to Green at the next GMS panel update.
A recent study (highlighted by GEL Clinical Team) provides corroborating evidence linking FOXI3 with microtia with or without atresia. Sufficient unrelated cases and supported by concordant animal models.
Paediatric disorders - additional genes v1.108 FOXI3 Arina Puzriakova Gene: foxi3 has been classified as Amber List (Moderate Evidence).
Paediatric disorders - additional genes v1.107 FOXI3 Arina Puzriakova gene: FOXI3 was added
gene: FOXI3 was added to Paediatric disorders - additional genes. Sources: Expert Review
Q4_22_promote_green tags were added to gene: FOXI3.
Mode of inheritance for gene: FOXI3 was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Publications for gene: FOXI3 were set to 36260083; 25655429; 18787161; 24650709
Phenotypes for gene: FOXI3 were set to Bilateral Microtia; Congenital aural atresia
Review for gene: FOXI3 was set to GREEN
Added comment: Quiat et al. 2022 (PMID: 36260083) reported 4 unrelated families affected by microtia with or without atresia and different predicted deleterious heterozygous variants in the FOXI3 gene. Variants segregated with disease, including in multiplex families, albeit with reduced penetrance. In vitro studies showed that patient variants conferred abnormal FOXI3 nuclear and cytoplasmic localization.

Tassano et al. 2015 (PMID: 25655429) also identified a patient with microtia, aural atresia, and ipsilateral agenesis of the carotid artery who harboured a 2.5 Mb deletion overlapping the FOXI3 gene.

Congenital ear malformations with variable penetrance have been described in a Foxi3 knockout mouse model and haploinsufficient canine breeds supporting a role of FOXI3 in the human phenotype (PMID: 18787161; 24650709)
Sources: Expert Review