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Title: Duplication of the VHL and IRAK2 genes in a patient with mental retardation/multiple congenital anomalies, epilepsy and ectomorphic habitus
Authors: Chabchoub, Elyes ×
Michils, G
Vermeesch, Joris
De Cock, Paul
Lagae, L
Fryns, Jean-Pierre #
Issue Date: Mar-2010
Publisher: Edition médicine et hygiène
Series Title: Genetic Counseling vol:21 issue:1 pages:35-40
Abstract: Partial 3p duplications are very rare. Often they are reported in translocations involving other chromosomes, whereas deletions encompassing the VHL gene in 3p25.3 predispose to Van-Hippel Lindau syndrome. We report here a paternally-inherited microduplication of 3p25.3 detected by array comparative genomic hybridisation (aCGH) in a 17 year-old male patient presenting with mental retardation and multiple congenital anomalies (MR/MCA), epilepsy and ectomorphic habitus. He has no tumour and there is no history of familial cancer. We refined the duplication by Multiplex Ligation-dependent Probe Amplification (MLPA) to a 251 kb region encompassing the VHL and IRAK2 genes. The duplication is likely to be causal. Interestingly, duplication of IRAK2 can cause epilepsy. Disruption of the GHRL gene can explain the ectomorphic habitus. To our knowledge, this is the smallest 3p duplication encompassing the VHL region. Its prognosis is unknown and a long-term follow-up is essential for an early diagnosis of malignancy.
ISSN: 1015-8146
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Department of Human Genetics - miscellaneous
Clinical Genetics
Brain & Metabolism Section (-)
Youth Health (-)
× corresponding author
# (joint) last author

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