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 patient was diagnosed with a heart defect (tetralogy of Fallot with pulmonary atresia) before she was born, which was repaired after birth. She was also found to have problems with the connection between her brain and spinal cord (Chiari I malformation) and the spinal cord itself (tethered cord). She … read more

At 13 months, the participant was diagnosed with a tumor (sacrococcygeal germ cell tumor), which was managed with surgery and chemotherapy. After receiving chemotherapy, she developed bilateral hearing loss (sensorineural hearing impairment) as well as speech delay. At three years of age she began to experience vision loss and presented … read more

The participant experienced early developmental delays. She crawled and sat independently at 9 months and had a vocabulary of 3 words by 12-15 months. However, she lost her language skills after her seizures began at 14-15 months. Her generalized tonic-colonic seizures occur about once a week in addition to more … read more
