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Target intelligence / Profile preview
Homeobox protein Hox-D13 (HOXD13)
- Target
- HOXD13
- Molecular classification
- Transcription factor, Homeobox gene family, DNA-binding protein
01
Overview
Homeobox protein Hox-D13 (HOXD13) is a member of the homeobox family of highly conserved transcription factors crucial for morphogenesis, specifically in limb and axial skeletal development[1][3][5]. HOXD13 binds DNA through its homeobox domain, activating gene transcription essential for anterior-posterior body patterning during embryogenesis[5][7]. Mutations in HOXD13 cause a range of autosomal dominant limb malformations, notably synpolydactyly, by disrupting normal function through altered protein domains, haploinsufficiency, or dominant-negative effects[1][2][4]. It is not a canonical drug target or receptor, but a key developmental regulator whose variants play a diagnostic and prognostic role in several congenital limb syndromes.
- Other names
- HOX4IHomeobox protein Hox-4IsynpolydactylySPDSPD1BDEBDSDhomeo box D13brachydactyly-syndactyly syndromeSynpolydactyly 1
02
Biological functions
Regulation of embryonic morphogenesisLimb and skeletal developmentRegulation of gene expressionPatterning of body axis
03
Disease associations
Congenital limb malformations (e.g., synpolydactyly, brachydactyly type D, brachydactyly type E, syndactyly type 5)Other developmental disorders affecting limbs and genitals
04
Safety considerations
Not a direct therapeutic target; genetic mutations are associated with developmental anomalies, presenting challenges for gene therapy or interventionVariable expressivity and incomplete penetrance in mutation carriers complicate genetic counseling and diagnosis[2][4]
05
Biomarkers
Mutations in HOXD13 associated with synpolydactyly and related syndromes may serve as biomarkers for genetic diagnosis[4].
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