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17q23.1q23.2 microdeletion syndrome
Other Names for this Disease
- 17q23.1-q23.2 microdeletion syndrome
- Chromosome 17q23.1-q23.2 deletion syndrome
- Monosomy 17q23.1-q23.2
- Monosomy 17q23.1q23.2
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The syndrome is caused by an interstitial deletion (a deletion that does not involve the ends of a chromosome) encompassing bands 23.1 to 23.2 on the long (q) arm of chromosome 17. Two transcription factors, TBX2 and TBX4, which belong to a family of genes implicated in a variety of developmental pathways including those of heart and limbs, are found within this 2.2Mb region. This suggests that they may play a part in the symptoms seen in this condition.
Last updated: 1/3/2013
- Morichon-Delvallez N. 17q23.1q23.2 microdeletion syndrome. Orphanet. 2011; http://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&Expert=261279. Accessed 1/2/2013.
- Ballif et al. Identification of a recurrent microdeletion at 17q23.1q23.2 flanked by segmental duplications associated with heart defects and limb abnormalities. Am J Hum Genet. 2010 Mar 12;86(3):454-61. .