期刊
EUROPEAN JOURNAL OF MEDICAL GENETICS
卷 56, 期 12, 页码 678-682出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ejmg.2013.09.009
关键词
Cantu syndrome; Mutation; Exome; Potassium channel
资金
- Research Connection at Boston Children's Hospital
- Gene Discovery Core of The Manton Center for Orphan Disease Research
- National Institutes of Health [R01 AR044345, P30 HD18655]
KCNJ8 (NM_004982) encodes the pore forming subunit of one of the ATP-sensitive inwardly rectifying potassium (K-ATP) channels. KCNJ8 sequence variations are traditionally associated with J-wave syndromes, involving ventricular fibrillation and sudden cardiac death. Recently, the K-ATP gene ABCC9 (SUR2, NM_020297) has been associated with the multi-organ disorder Cantu syndrome or hypertrichotic osteochondrodysplasia (MIM 239850) (hypertrichosis, macrosomia, osteochondrodysplasia, and cardiomegaly). Here, we report on a patient with a de novo nonsynonymous KCNJ8 SNV (p.V65M) and Cantu syndrome, who tested negative for mutations in ABCC9. The genotype and multi-organ abnormalities of this patient are reviewed. A careful screening of the K-ATP genes should be performed in all individuals diagnosed with Cantu syndrome and no mutation in ABCC9. (C) 2013 Elsevier Masson SAS. All rights reserved.
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