By

Linda Sorg

16
Aug

13q34 deletions and the role of genes SOX1 and ARHGEF7

13q34 deletions – or deletions at the terminal segment of the long arm of chromosome 13 – are very rare. Therefore, symptoms of 13q34 deletions are not well described. This article reports two brothers with 13q34 deletions, whose symptoms include intellectual disability, epilepsy, and genitourinary tract defects. From these cases,...
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12
Jul

Recognizing Williams-Beuren syndrome in diverse populations

Williams-Beuren syndrome (WBS) is a genetic disorder caused by a deletion in 7q11.23 – a region within the long arm of chromosome 7. Symptoms of WBS include intellectual disability, hypersocial behavior (a characteristically friendly personality), facial abnormalities, cardiovascular disease, short stature, connective tissue abnormalities, and endocrine (hormonal) abnormalities. Common facial...
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06
Jul

5q14.3 deletions, the ADGRV1 gene and epilepsy

Chromosome 5q14.3 deletions – deletions within a region of the long arm of chromosome 5 – cause intellectual disability, epilepsy, dysmorphisms (abnormal differences in body structure), structural brain abnormalities, and hypotonia (low muscle tone.) Seizure types found in 5q14.3 deletions typically include myoclonic seizures, infantile onset of febrile seizures, and...
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