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 normal pregnancy and cesarean section delivery. She spent 9 days in the neonatal intensive care unit after birth because of difficulty feeding and respiratory issues. An x-ray found that her lungs were dilated and she was placed on CPAP. At that time, it was … read more
The participant met all his developmental milestones on time until he was 16 months old. At that time, he lost his verbal skills (developmental regression) and was diagnosed with autism. He began to have seizures at the age of 6, which later became staring spells. He currently does not speak … read more

The participant’s mother experienced a complicated full-term birth due to brow presentation (abnormal position during birth). However, the participant did not need to stay in the NICU and went home with her parents. Her parents first became concerned about her development at 6 weeks due to lack of head control … read more
