Scientists in Japan have used gene-editing technology to remove the extra chromosome responsible for Down syndrome, at least in lab-grown human cells. The project, led by Dr. Ryotaro Hashizume of Mie ...

After decades of mystery, researchers at Gladstone Institutes identify a gene that can derail heart formation—and show that fixing it prevents the problem in mice. SAN FRANCISCO—October 22, ...

Nearly half of all babies born with Down syndrome face congenital heart defects, often involving serious malformations that require surgery in the first months of life. For decades, scientists have ...