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 noticed that he was weaker than his peers in childhood. At age 23, he noticed difficulty getting up from a squatting position and climbing stairs, and began experiencing progressive muscle weakness involving muscles in his arms, legs, face, and eyes. He also developed heart muscle disease (dilated cardiomyopathy) … read more

The participant was born at 33 weeks and stayed in the NICU for three weeks. While in the NICU, she received breathing and nutrition support though a CPAP (Continuous Positive Airway Pressure) machine and NG (nasogastric) tube. She was identified by newborn screening to have very low T-cell lymphocyte levels. … read more

The participant was born at full term via a scheduled c-section due to his mother’s history of Hodgkin’s Lymphoma. He was transferred to the NICU due to poor feeding, vomiting, and a heart murmur. His parents also noted that he had a high-pitched cry. At 4 days old an echocardiogram … read more
