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A new case of de novo 19p13.2p13.12 deletion in a girl with overgrowth and severe developmental delay.

ABSTRACT: BACKGROUND:We report clinical and molecular cytogenetic characterization of a 2 year-old girl with 19p13.2p13.12 microdeletion and compare her clinical features with those of three other patients reported before. RESULT:Array comparative genomic hybridization (aCGH) revealed in the present patient a de novo microdeletion of 1.45 Mb within 19p13.2p13.12. The deletion includes seven OMIM genes: MAN2B1, RNASEH2A, KLF1, GCDH, NFIX, CACNA1A and CC2D1A. DISCUSSION:The present case and three other patients with partially overlapping 19p13 microdeletion share the following features: psychomotor and language delay, intellectual disability, seizures, hypotonia, skeletal anomalies and facial dysmorphism. The smallest region of overlapping between all four reported patients is around 300 kb and spans only two genes: NFIX and CACNA1A. Their haploinsufficincy could be the base for the phenotype -genotype correlation.

SUBMITTER: Natiq A 

PROVIDER: S-EPMC4068972 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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A new case of de novo 19p13.2p13.12 deletion in a girl with overgrowth and severe developmental delay.

Natiq Abdelhafid A   Elalaoui Siham Chafai SC   Miesch Sevrine S   Bonnet Celine C   Jonveaux Philippe P   Amzazi Saaïd S   Sefiani Abdelaziz A  

Molecular cytogenetics 20140605

<h4>Background</h4>We report clinical and molecular cytogenetic characterization of a 2 year-old girl with 19p13.2p13.12 microdeletion and compare her clinical features with those of three other patients reported before.<h4>Result</h4>Array comparative genomic hybridization (aCGH) revealed in the present patient a de novo microdeletion of 1.45 Mb within 19p13.2p13.12. The deletion includes seven OMIM genes: MAN2B1, RNASEH2A, KLF1, GCDH, NFIX, CACNA1A and CC2D1A.<h4>Discussion</h4>The present cas  ...[more]

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