NCIt definition : Human FOXN1 wild-type allele is located in the vicinity of 17q11.2 and is approximately
33 kb in length. This allele, which encodes forkhead box protein N1, is involved in
skin keratinization, T-cell differentiation and maintenance and development and maintenance
of the thymus. Mutation of the gene is associated with T-cell immunodeficiency with
thymic aplasia, autosomal dominant infantile T-cell lymphopenia (TLIND) and T-cell
immunodeficiency with congenital alopecia and nail dystrophy (TIDAND).;