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 after a pregnancy that was complicated by maternal nausea, urinary tract and ear infections, and anemia. Her birth was uncomplicated, but 8 hours later she began experiencing choking episodes, difficulty breathing, and abnormal movements. The choking episodes continued to occur sporadically over the following months. Imaging … read more
At the age of 4, the participant started having breathing problems. Shortly after, she had a bluish color to the skin due to low blood oxygen levels (cyanosis). These symptoms were determined to be the result of interstitial lung disease, which led to mild high blood pressure in the lungs … read more

At 7 months, the participant’s parents noticed that she was not sitting or rolling. By 18 months, she was only babbling and crawling on her stomach. At the age of 2, the participant began to have seizures, which were sometimes associated with fevers. Currently the participant attempts to speak, but … read more
