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 is a former elementary school teacher who developed painful redness of her feet and hands when she was 44 years old. At first the redness would come and go, but now it is nearly constant. Aspirin provided relief initially but is no longer helpful. Colder temperatures currently provide … read more

The participant was diagnosed with a heart malformation (hypoplastic left heart) prenatally. She was born full-term at 37 weeks. After she was born, she had a blood clot that traveled to her lungs (pulmonary embolism) and a stroke. She subsequently developed seizures that are well-controlled with medication. As a toddler, … read more

The participant’s development was typical until the age of three when she experienced sudden regression and lost her ability to speak. She has a history of abnormal brain activity (abnormal EEG) but has not had seizures. She received a diagnosis of Landau-Kleffner syndrome at age 3. She has significant difficulty … read more
