Study finds key abnormality affecting brain development in people with Down Syndrome


1024px-Boy_with_Down_Syndrome Source: Wikipedia. 8-year-old boy with   Down Syndrome

Every cell in the human body consists of a nucleus (except RBC’s and a few others) where the genetic material is stored. It carries 23 pairs of chromosomes, half of which is inherited from each parent. Down syndrome occurs when an individual has a full or partial extra copy of chromosome 21.

DS occurs in one out of every 691 live births and is the most common genetic cause of intellectual disability, affecting approximately 400,000 Americans. The underlying developmental and genetic causes of this intellectual disability in DS are not fully known and because of this lack of knowledge, no treatment is currently available.

For the first time now, researchers have identified the lifelong changes in gene expression in the brains of people born with Down syndrome (DS).

The findings, which appear in the journal Neuron, could lead to possible therapies for…

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