0000000000427586

AUTHOR

J.-l. Alessandri

showing 2 related works from this author

Xq28 duplication includingMECP2in six unreported affected females: what can we learn for diagnosis and genetic counselling?

2017

Duplication of the Xq28 region, involving MECP2 (dupMECP2), has been primarily described in males with severe developmental delay, spasticity, epilepsy, stereotyped movements and recurrent infections. Carrier mothers are usually asymptomatic with an extremely skewed X chromosome inactivation (XCI) pattern. We report a series of six novel symptomatic females carrying a de novo interstitial dupMECP2, and review the 14 symptomatic females reported to date, with the aim to further delineate their phenotype and give clues for genetic counselling. One patient was adopted and among the other 19 patients, seven (37%) had inherited their duplication from their mother, including three mildly (XCI: 70…

0301 basic medicineGeneticsPediatricsmedicine.medical_specialtyGenetic counselingMECP2 duplication syndrome030105 genetics & heredityBiologymedicine.diseaseX-inactivation3. Good healthXq2803 medical and health sciencesEpilepsy0302 clinical medicineGene duplicationGeneticsmedicineAsymptomatic carrierSkewed X-inactivation030217 neurology & neurosurgeryGenetics (clinical)Clinical Genetics
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Molecular findings and clinical data in a cohort of 150 patients with anophthalmia/microphthalmia

2013

Anophthalmia and microphthalmia (AM) are the most severe malformations of the eye, corresponding respectively to reduced size or absent ocular globe. Wide genetic heterogeneity has been reported and different genes have been demonstrated to be causative of syndromic and non-syndromic forms of AM. We screened seven AM genes [GDF6 (growth differentiation factor 6), FOXE3 (forkhead box E3), OTX2 (orthodenticle protein homolog 2), PAX6 (paired box 6), RAX (retina and anterior neural fold homeobox), SOX2 (SRY sex determining region Y-box 2), and VSX2 (visual system homeobox 2 gene)] in a cohort of 150 patients with isolated or syndromic AM. The causative genetic defect was identified in 21% of t…

GeneticsAnophthalmiaGenetic heterogeneityGenetic counselingBiologymedicine.diseaseMicrophthalmiaeye diseases3. Good healthTestis determining factorMultiplex polymerase chain reactionGeneticsmedicineHomeoboxsense organsGeneGenetics (clinical)Clinical Genetics
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