Correlations Phenotype / Genotype in Down Syndrome

Epidemiological Study of Trisomy 21 With Research of Correlations Between Phenotype (Physical, Psychometrical) and Genotype (Genome, Transcriptome, Proteome)

The purpose of this study is to correlate phenotype and genotype of Down syndrome patients in order to identify the biochemical reactions involved in their mental retardation and their other phenotypic characteristics.

Inclusion Criteria:

• Down syndrome patients
• age: 8years and older
• assessment by the psychometric tests
• possible blood tests

Exclusion Criteria:

• no exclusion criteria