The triplication of a region of chromosome 21 around D21S55 in 21q22.2–22.3 has been involved in the main features of Down syndrome including mental retardation (Down syndrome chromosome region ...

How does the CRISPR Down Syndrome breakthrough work to remove the extra chromosome 21? We are closer than ever to a world ...

Trisomy is a genetic condition characterized by the presence of an extra chromosome. This means that the affected person has ...

Scientists map second human chromosome. By Ann Schrader Denver Post Science Writer. May 9 - Scientists in Denver, Japan and Germany have mapped chromosome 21, a feat that could one day lead to ...

Scientists in Japan have used gene-editing technology to remove the extra chromosome responsible for Down syndrome, at least ...

Using genetic mapping, the researchers identified a gene on human chromosome 21 called Dyrk1a, which causes heart defects when present in three copies in the mouse model of Down syndrome.

They sifted through published datasets of proteins and RNA from individuals with Down syndrome and compared these to laboratory-made cells with trisomies of chromosomes 3, 5, 12, and 21.The ...

Down syndrome occurs when a baby is born with an extra chromosome 21. Read on to find out the screening, diagnosis, and types of Down syndrome.

The presence of extra genetic material found among persons with Down syndrome may lead to abnormalities in the immune system and a higher susceptibility to certain illnesses, such as Alzheimer's ...

The guest is Julie Torzewski, executive director of Down Syndrome of Louisville. An expecting mother is told that her baby has trisomy 21 but doesn't understand exactly what that means. Dr ...

Down syndrome, which occurs in 1 in 700 babies today, is caused by an extra copy of chromosome 21. The extra chromosome makes extra proteins, which can cause a host of changes, including heart ...