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 born prematurely at 27 weeks and experienced many complications early in life. He currently has seizures, low muscle tone (generalized hypotonia, facial hypotonia), and severe global developmental delay. These symptoms are not believed to be caused by his premature birth. The participant also has distinct facial features, … read more

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

Starting in early childhood, the participant experienced chronic diarrhea with excess fat in his stool (steatorrhea), fragile and sagging skin (cutis laxa), and poor wound healing. At 11 years old, a heart murmur was detected. Later in life, the participant was diagnosed with atrial fibrillation and heart muscle disease (cardiomyopathy). … read more
