15
Oct
How to read Cytogenetic Formulas after Array-CGH
0 Comment
Reading and understanding Cytogenetic Formulas after ARRAY-CGH may be complex. Under normal circumstances each pair of chromosomes has individual characteristics: they have a specific size (length)which is measured in the number of basepairs and a specific distribution of genes within each chromosome. Chromosomes of the same pair have to be... Read More
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... Read More
25
May
Inherited Microdeletions or microduplications – a benign finding?
Are inherited microdeletions or microduplications a benign finding or more complex? Small deletions or duplications of chromosomal material may be found upon examination of patients with several neurodevelopmental problems (autism, epilepsy, intellectual disability) or birth defects. In many instances the same chromosomal abnormalities are found in one of their apparently... Read More
25
May
1p35 deletion and PUM1 mutation
1p35 deletion and PUM1 mutation discussed in a newly published article. Development of the nervous system is a complex process that is tightly regulated by protein levels and expression. One protein involved in this process is produced by a gene PUM1, located in 1p35, a region within the short arm... Read More
