SHOX | |||||||
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Aliases | SHOX, GCFX, PHOG, SHOXY, SS, short stature homeobox | ||||||
External IDs | HomoloGene: 55463 GeneCards: SHOX | ||||||
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Species | Human | Mouse | |||||
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Location (UCSC) | n/a | n/a | |||||
PubMed search | n/a | ||||||
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The short stature homeobox (SHOX) gene is a gene, located on both the X and Y chromosomes, which is associated with short stature in humans if mutated or present in only one copy (haploinsufficiency).
The gene was first found during a search for the cause of short stature in women with Turner syndrome, in which there is loss of genetic material from the X chromosome, classically by loss of one entire X chromosome.
Since its discovery, the SHOX gene has been found to play a role in idiopathic short stature (short stature of unknown cause without other symptoms), Léri-Weill dyschondrosteosis, and Langer mesomelic dysplasia.
Gene dosage effects of extra copies of SHOX may be a cause of the increased stature seen in other sex chromosome aneuploidy conditions such as 47,XXX, 47,XYY, 47,XXY, 48,XXYY, etc.
The SHOX gene is composed of 6 different exons and is located in the pseudoautosomal region (PAR1) of the X chromosome (Xp22.33) and Y chromosome. Similar genes are present in a variety of animals and insects.