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 healthy until age 15 when he had a surfing accident. This accident resulted in a brain injury and cervical spine fractures. A year after this accident, he began having seizures, but these resolved without treatment approximately a year later. When the participant was 44 years old, he … read more

The participant experienced early gross motor developmental delays. During her first two years of life, she had language delays and low muscle tone (hypotonia). She sat at 12 months and walked at 24 months. She began to experience severe epileptic encephalopathy starting at age 3. Specifically, the participant experiences multiple … read more

After intentionally losing a significant amount of weight at age 14, the participant began to experience back pain and was later hospitalized for generalized tissue swelling (anasarca) as well as high blood sugar levels. He was identified to have weak and brittle bones (osteoporosis), fractures of bones of the spine … read more
