Abstract:Down syndrome (DS): or trisomy 21: is the most common autosomal aneuploidy and the leading genetic cause of intellectual disability. It is widely established that mental retardation is primarily a consequence of brain functioning and developmental abnormalities in neurogenesis. Some changes in the physical structure of the dendrites are a major cause of impaired synaptic plasticity of DS. The overexpression of the dual specificyty tyrsone phosphorylationregulated kinase 1A (DYRK1A): located on chromosome 21: i… Show more
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