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

At 7 months old, the participant had his first seizure. He started taking phenobarbital and did not have additional seizures until age 5. While weaning off of phenobarbital at age 5-6, the participant began experiencing lower extremity pain and uncontrollable movements. He restarted phenobarbital; however, his symptoms continued to progress. … read more

The participant was born at full-term. He was delivered by C-section because he had stopped moving down the birth canal (arrest of descent). At 9 months, his parents become concerned when he was not crawling or pulling up to stand. At 15 months of age, he began interventional therapy with … read more

Shortly after birth, the participant was found to have gastroesophageal (acid) reflux and low muscle tone (hypotonia). His growth was normal except for a large head size (macrocephaly). At 2 months old, it was noted that he had cataracts and he underwent surgery before 1 year old. He was also … read more
