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 at full term with no complications during pregnancy. He had jaundice during the neonatal period, which was treated with a Biliblanket. At 2 months of age, his pediatrician noticed a decline in weight gain and diagnosed him with failure to thrive. The participant was followed for … read more

The participant was healthy and developing normally until 10 years old when she started experiencing fatigue and weakness. She developed hive-like skin findings that covered her whole body. These went away on their own but came back over time, each time more severely than before. They were thought to be … read more

The patient was meeting his developmental milestones until age 2.5 when he started losing skills. He was previously able to walk, but now has trouble sitting and holding his head upright. He has lost his fine motor skills and keeps his hands in a fist position. His parents report that … read more
