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

Shortly after birth, the participant was found to have low blood platelet levels (thrombocytopenia), anemia, a heart defect (atrial septal defect), low muscle tone (hypotonia), cataracts, and a blueberry muffin rash. She required transfusions with packed red blood cells and platelets for anemia and nasogastric intubation (NG tube) for feeding. … read more

Around age 60, the patient started having recurrent episodic fevers, with associated muscle/joint pain and a hive-like rash across his upper chest and abdomen that would come and go with the fevers. He had extensive evaluation for occult infection or malignancy that was unrevealing. He was trialed on numerous immunosuppressive … read more

Prenatally the participant was diagnosed with dilated loops of his bowel with a diffusely thickened wall. Prenatal testing for infections (toxoplasmosis, cytomegalovirus) and cystic fibrosis was negative. During the first week of his life, the participant underwent surgery (exploratory laparotomy) to examine his organs and he was found to have a … read more
