tricho-rhino-phalangeal syndrome type 1(redirected from TRPS1)
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tricho-rhino-phalangeal syndrome type 1An autosomal dominant condition (OMIM:190350), which is allelic with TRPS type 3, characterised by:
• Craniofacial defects—sparse scalp hair, a bulbous tip nose, protruding ears, a long flat philtrum and thin upper vermilion border; and
• Skeletal defects—cone-shaped epiphyses at phalanges, hip malformations and short stature.
Defects of TRPS1, which encodes a transcription factor that downregulates GATA-regulated genes, cause tricho-rhino-phalangeal syndrome type 1.
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