Down syndrome critical region

Our Down Syndrome Main Article provides a comprehensive look at the who, what, when and how of Down Syndrome

Medical Definition of Down syndrome critical region

Down syndrome critical region: (Abbreviated DSCR) A region on the long (q) arm of chromosome 21 thought to be responsible for some, if not all, of the features of Down syndrome. A number of genes in this region may be involved in the production of the Down syndrome phenotype.

These genes may include the Down syndrome critical region 1 gene or DSCR1 on chromosome 22q11.2; DSCR2 on chromosome 21q22.3; DSCR3 in chromosome 21q22.2; DSCR4 on chromosome 21q22.2; and DSCR5 in chromosome region 21q22.1-q22.2.

Subscribe to MedicineNet's Children's Health & Parenting Newsletter

By clicking Submit, I agree to the MedicineNet's Terms & Conditions & Privacy Policy and understand that I may opt out of MedicineNet's subscriptions at any time.

Reviewed on 1/24/2017

Health Solutions From Our Sponsors