August 2021


Neuropsychiatric problems and chromosome disorders

Psychiatric symptoms found in some patients with chromosome disorders. There is no doubt that genetic factors play a significant role in the origin of schizophrenia and other neuropsychiatric disorders. At the same time, only a few genes are implicated as major factors for the development of these conditions. The authors...
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CDO Summer 2021 Newsletter

Chromosome Disorder Outreachā€™s Summer 2021 Newsletter is now available! Each issue contains detailed and new information on rare chromosome disorders. The CDO newsletter includes a family spotlight, additional resources, media corner, Ask the Doctor and new research updates. Download a copy of the Summer 2021 issue here. Questions, comments or...
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Chromosome 7q11.23 deletion and duplication

  Chromosome 7q11.23 deletions and duplications cause different symptoms. Segment 7q11.23 contains 25-27 genes. Both deletions and duplications of this segment are known to cause different disorders. Deletions of 7q11.23 cause (a well-recognized) Williams syndrome; duplication of 7q11.23 cause a wide range of clinical manifestations that are hard to recognize...
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8q24 deletion and clinical significance

Sometimes a chromosomal microarray analysis (CMA) shows relatively large deletions or duplications of chromosomal material, but the clinical significance of these abnormalities remains unclear. This situation is especially important upon prenatal diagnosis when a fetus does not have any visible defects, or when only minor abnormalities are found. The authors...
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