Genitopatellar syndrome is a rare disorder consisting of congenital flexion contractures of the lower extremities, abnormal or missing patellae, and urogenital anomalies. Additional symptoms include microcephaly, severe psychomotor disability.[2]
In 2012, it was shown that mutations in the gene KAT6B cause the syndrome.[3] Genitopatellar syndrome (GTPTS) can be caused by heterozygous mutation in the KAT6B gene on chromosome 10q22. The Say-Barber-Biesecker variant of Ohdo syndrome, which has many overlapping features with GTPTS, can also be caused by heterozygous mutation in the KAT6B gene.[2]
^RESERVED, INSERM US14-- ALL RIGHTS. "Orphanet: Genitopatellar syndrome". www.orpha.net. Retrieved 15 March 2019.{{cite web}}: CS1 maint: numeric names: authors list (link)
^ abPenttinen, M; Koillinen, H; Niinikoski, H; Mäkitie, O; Hietala, M (March 2009). "Genitopatellar syndrome in an adolescent female with severe osteoporosis and endocrine abnormalities". American Journal of Medical Genetics. Part A. 149A (3): 451–5. doi:10.1002/ajmg.a.32644. PMID 19208376. S2CID 13523168.
^Campeau PM, Kim JC, Lu JT, Schwartzentruber JA, Abdul-Rahman OA, Schlaubitz S, Murdock DM, Jiang MM, Lammer EJ, Enns GM, Rhead WJ, Rowland J, Robertson SP, Cormier-Daire V, Bainbridge MN, Yang XJ, Gingras MC, Gibbs RA, Rosenblatt DS, Majewski J, Lee BH (Jan 2012). "Mutations in KAT6B, Encoding a Histone Acetyltransferase, Cause Genitopatellar Syndrome". American Journal of Human Genetics. 90 (2): 282–9. doi:10.1016/j.ajhg.2011.11.023. PMC 3276659. PMID 22265014.
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