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 delivered via C-section at 35 weeks gestation. The pregnancy was complicated by persistent nausea and vomiting (hyperemesis gravidarum), as well as decreased fetal movements. In early infancy, she exhibited sweating with feeding which led to the detection of an irregular heartbeat (Wolff-Parkinson-White syndrome), which was treated with … read more

After birth, the patient was found to be in respiratory distress. He had low levels of red blood cells (anemia), yellowing of the skin (jaundice caused by hyperbilirubinemia), and heartburn (gastroesophageal reflux). This required hospitalization in the NICU for 72 days. Over time, the patient was noticed to have delayed … read more

The participant has experienced involuntary movements of his arms, legs, and face continuously since birth (choreoathetosis). He also has low muscle tone, underactive reflexes, and abnormal eye movements with episodes of eye rolling. He has brain disease with seizures (epileptic encephalopathy) and a recent MRI of his brain showed brain … read more
