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Short stature homeobox gene
Short stature homeobox gene or SHOX is a gene on the X chromosome and Y chromosome which is associated with short stature in humans if mutated or present in only one copy (haploinsufficiency). Additional recommended knowledgePathologyThe 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. [1] 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..[2] FunctionThe SHOX gene is a homeobox gene, meaning that it helps regulate development. The SHOX gene is composed of 6 different exons and is located in the pseudoautosomal region (PAR1) of the X chromosome and Y chromosome. Experiments have found similar genes in a variety of animals and insects. References
Categories: Genes on chromosome X | Genes |
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Short_stature_homeobox_gene". A list of authors is available in Wikipedia. |