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 full-term. During pregnancy, doctors noticed that she had a small head size (microcephaly), poor growth (IUGR), and some skeletal anomalies on an ultrasound. After birth, she had trouble feeding and delayed motor skills. About a month after birth, she had multiple long bone fractures. She was … read more

The participant was born at 38 weeks. During the pregnancy, there was less amniotic fluid than normal (oligohydramnios). Around 8 months old, the participant’s parents noticed delays in her development and that she would fall over frequently. Since then, she has made slow developmental progress. At 10 months old, the … read more

The participant experienced early gross motor developmental delays. During her first two years of life, she had language delays and low muscle tone (hypotonia). She sat at 12 months and walked at 24 months. She began to experience severe epileptic encephalopathy starting at age 3. Specifically, the participant experiences multiple … read more
