Subcellular location: Nucleus.
Developmental stage: Expressed in the lens during embryonic development. Predominantly expressed in the anterior lens epithelium but with some expression posteriorly. Not expressed in brain in embryos. Ref.7
Involvement in disease: Anterior segment mesenchymal dysgenesis (ASMD) [MIM:107250]: A range of developmental defects in structures at the front of the eye, resulting from abnormal migration or differentiation of the neural crest derived mesenchymal cells that give rise to the cornea, iris, and other components of the anterior chamber during eye development. Different mature anterior segment anomalies may exist alone or in combination, and are associated with an increased risk of glaucoma and corneal opacity. Conditions falling within the phenotypic spectrum of anterior segment anomalies include aniridia, posterior embryotoxon, Axenfeld anomaly, Reiger anomaly/syndrome, Peters anomaly, and iridogoniodysgenesis.Note: The disease is caused by mutations affecting the gene represented in this entry. Ref.2 Ref.6Congenital primary aphakia (CPA) [MIM:610256]: Aphakia is a rare congenital eye disorder in which the lens is missing. It has been histologically subdivided into primary and secondary forms, in accordance with the severity of defects of the ocular tissues, whose development requires the initial presence of a lens. CPA results from an early developmental arrest, around the 4th-5th week of gestation in humans, that prevents the formation of any lens structure and leads to severe secondary ocular defects, including a complete aplasia of the anterior segment of the eye. In contrast, in secondary aphakic eyes, lens induction has occurred, and the lens vesicle has developed to some degree but finally has progressively resorbed perinatally, leading, therefore, to less-severe ocular defects.Note: The disease is caused by mutations affecting the gene represented in this entry. Ref.5
Sequence similarities: Contains 1 fork-head DNA-binding domain.
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