Every year hundreds of patients face uncertainty when healthcare providers are unable to discover the cause for their symptoms.
The Undiagnosed Diseases Network (UDN) is a research study backed by the National Institutes of Health that seeks to provide answers for patients and families affected by these mysterious conditions.
Model Organisms
The Model Organisms Screening Center (MOSC) for the Undiagnosed Diseases Network (UDN) is composed of two Centers that use fruit fly (Drosophila melanogaster), nematode worm (Caenorhabditis elegans) and zebrafish (Danio rerio) genetics and biology to tackle rare and undiagnosed diseases.
Publications

The participant was noticed to have developmental delays early in life. She also began to have seizures around age 6. At age 12, she started to have involuntary muscle contractions (dystonia). She developed difficulty speaking (dysarthria) as well, but this has since improved. In addition to these symptoms, the participant … read more

The participant’s mother had an uncomplicated pregnancy with normal labor and delivery. He met all of his developmental benchmarks until he was 24 months, at which he began to plateau. At 26 months, the participant’s motor and speech skills began to regress, and he began to be less social. The … read more

The participant spent the first 19 days after birth in the neonatal intensive care unit (NICU) because of respiratory distress, feeding issues, low muscle tone (hypotonia) and slow heart rate (bradycardia). She was also found to have a heart defect (atrial septal defect). An initial MRI showed almost complete lack … read more
