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

During pregnancy, the mother of the participant developed a kidney infection that was treated with antibiotics and painkillers. Ultrasounds revealed that the participant’s legs were hyperextended at the knee, his feet were by his face, and his arms were to the side. After birth, he had trouble feeding and was … read more

At 3 months, the patient began having seizures (generalized tonic and complex partial seizures), which was confirmed by EEG. A head CT at this time was normal. An MRI at 7 months showed a small head size (microcephaly) and underdeveloped nerve fibers joining the hemispheres of the brain (hypoplasia of … read more
