Homeobox protein aristaless-like 4 (ALX4)

Homeobox protein aristaless-like 4 (ALX4) is a member of the aristaless-related class of paired-type homeodomain transcription factors expressed predominantly in the mesenchyme of developing bones, limb buds, craniofacial structures, hair, teeth, and mammary tissue. It binds DNA to regulate the expression of genes essential for embryonic patterning, particularly in the skull and limbs, by controlling cell proliferation, differentiation, and migration. Mutations in ALX4 result in congenital disorders such as enlarged parietal foramina-2 and frontonasal dysplasia type 2, manifesting as defects in cranial bone ossification, midface anomalies, polydactyly, alopecia, and hypogonadism. ALX4 does not currently serve as a therapeutic target for pharmacologic intervention; rather, its clinical relevance is primarily in genetic diagnosis and counseling for developmental syndromes associated with its mutations.

Other names

ALX homeobox 4KIAA1788FPPPFMCRS5FND2homeodomain transcription factor ALX4aristaless-like homeobox 4

Not applicable (no known drugs directly target ALX4)