Genotype-phenotype correlation in four 15q24 deleted patients identified by array-CGH. - Inserm - Institut national de la santé et de la recherche médicale Accéder directement au contenu
Article Dans Une Revue American Journal of Medical Genetics Part A Année : 2009

Genotype-phenotype correlation in four 15q24 deleted patients identified by array-CGH.

Résumé

Microdeletion 15q24 is an emerging syndrome recently described, mainly due to increased use of array-CGH. Clinical features associate mild to moderate developmental delay, typical facial characteristics (high forehead and frontal hairline, broad eyebrows, downslanting palpebral features, long philtrum), hands (particularly proximal implanted thumbs) and genital anomalies (micropenis, hypospadias). We report here on four de novo cases having 2.5-6.1 Mb deletions involving 15q24: one 15q23q24.2 (Patient 1) and three 15q24.1q24.2 deletions (Patients 2-4). We correlate phenotype to genotype according to molecular boundaries of these deletions. Since bilateral iris coloboma and severe ano-rectal malformation were only present in Patient 1, we could link these anomalies to haploinsufficiency of 15q23 genes. Neither hypospadias nor micropenis were present in Patient 3 bearing the smallest deletion, therefore we could define 500 kb 15q24.1 region linked to these anomalies.
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Dates et versions

inserm-00435193 , version 1 (25-11-2009)

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Joris Andrieux, Christèle Dubourg, Marlène Rio, Tania Attie-Bitach, Elsa Delaby, et al.. Genotype-phenotype correlation in four 15q24 deleted patients identified by array-CGH.. American Journal of Medical Genetics Part A, 2009, 149A (12), pp.2813-9. ⟨10.1002/ajmg.a.33097⟩. ⟨inserm-00435193⟩
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