The rectangles represent chromosome 15. Hatched chromosomes have a paternal pattern of gene functioning and DNA methylation; open chromosomes have a maternal pattern. Angelman syndrome is caused by a ...

AURORA, Colo. (CBS4)- Thousands of children, affected by two rare genetic disorders, now have one place to go for specialized care. Children's Hospital Colorado has opened the new 15q Clinic and ...

Colin Farrell says his personal life has inspired him to launch a new foundation aimed at helping people with intellectual disabilities. The actor, 48, recently launched the Colin Farrell Foundation, ...

For the first time, Colin Farrell has opened up his home and talked in-depth about life with his son James, who has Angelman syndrome. James was just a toddler when he was diagnosed with the rare ...

Affected populations: The disorder is believed to affect somewhere between 1 in 12,000 and 1 in 24,000 people, although these figures may be underestimated. Many cases of Angelman syndrome can go ...

A rare genetic condition leads to developmental difficulties, happy disposition. Oct. 22, 2008— -- Six-year-old Ryan Ravellette is a happy and sociable child; he has a smile that can light up a ...

The first biobank in Australia aiming to improve research and treatments into rare genetic diseases caused by changes to genes on chromosome 15, including Prader-Willi Syndrome and Angelman Syndrome, ...

Angelman syndrome is a rare condition that causes problems with growth and development. It’s caused by a genetic mutation (a change in your genes) that affects the nervous system. It’s named after ...

Colin Farrell revealed that his 20-year-old son, James, has been living with a disorder known as Angelman Syndrome. While speaking with PEOPLE in a recent interview, the Saving Mr. Banks star, 48, ...

Shari Blum first heard about the rare neuro-genetic disorder Angelman syndrome when her daughter Elizabeth was 13 months old. The syndrone’s symptoms often include balance issues, gross and fine motor ...

Julie Jordan is an Editor at Large for PEOPLE. She has been with the brand for 27 years, writing cover stories and features and managing special issues including the Beautiful Issue and Sexiest Man ...