Phenotype–genotype correlation in 20 deletion and 20 non-deletion Angelman syndrome patients
نویسندگان
چکیده
منابع مشابه
Clinical features in 27 patients with Angelman syndrome resulting from DNA deletion.
We report the clinical features in 27 Australasian patients with Angelman syndrome (AS), all with a DNA deletion involving chromosome 15(q11-13), spanning markers from D15S9 to D15S12, about 3 center dot 5 Mb of DNA. There were nine males and 18 females. All cases were sporadic. The mean age at last review (end of 1994) was 11 center dot 2 years (range 3 to 34 years). All patients were ataxic, ...
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BACKGROUND Angelman syndrome (AS) is a neurogenetic disorder characterized by severe mental retardation, speech disorder, stereotyped jerky movements, and a peculiar behavioral profile, with a happy disposition and outbursts of laughter. Most patients with AS present with epilepsy and suggestive electroencephalographic patterns, which may be used as diagnostic criteria. OBJECTIVE To study epi...
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A 46,XY/46,XY,del(20)(q13-->q13.33) mosaicism was identified in a 68 year old man who had mild mental retardation and severe malformation of the limbs. The clinical findings of the patient are compared to those of the very few cases of 20q deletion published to date.
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Fluorescent in situ hybridization (FISH) analysis with a panel of DNA probes for 13q13.1-q14.3 was performed on 20 cases of myeloid malignancies, of which 17 showed a del(13)(q) and three had translocations affecting 13q. By chromosome morphology, deletions consistently involved bands q14 and q21. In addition to confirming the chromosome data, FISH allowed us to delineate a commonly deleted reg...
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ژورنال
عنوان ژورنال: European Journal of Human Genetics
سال: 1999
ISSN: 1018-4813,1476-5438
DOI: 10.1038/sj.ejhg.5200258