Title: Molecular characterization of microduplication 22q11.2 in a girl with hypernasal speech
Authors: Soysal, Y ×
Vermeesch, Joris
Davani, N A
Sensoy, N
Hekimler, K
Imirzalıoğlu, N #
Issue Date: 2011
Publisher: FUNPEC
Series Title: Genetics and Molecular Research vol:10 issue:3 pages:2148-54
Abstract: We present a 12-year-old girl with karyotype 46,XX. A comparative genomic hybridization array revealed a 3.172-Mb microduplication on 22q11.2. This chromosome 22q11.2 region microduplication has been described in patients with variable phenotypes; a large majority of them have identical 3-Mb duplications. The girl presented mild mental motor retardation, facial dysmorphism consisting of a long narrow face, widely spaced eyes, downslanting palpebral fissures, broad nasal base, short philtrum, thin upper lip, micro/retrognathia, low set and retroverted ears, microcephaly, high-arched palate, hypoplastic teeth, and hypernasal speech. She had delayed psychomotor development and behavioral problems. Molecular characterization of patients differs greatly among reports and detailed molecular characterization and documentation are needed to better understand the effects of these duplications. This description of the phenotype of a patient with microduplication on 22q11.2 will contribute to the growing knowledge regarding deletions and duplications of the 22q11.2 region; this is important to conclude whether 22q11.2 duplication is a microduplication syndrome or not.
ISSN: 1676-5680
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Department of Human Genetics - miscellaneous
× corresponding author
# (joint) last author

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