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

During pregnancy, the mother of the participant developed a kidney infection that was treated with antibiotics and painkillers. Ultrasounds revealed that the participant’s legs were hyperextended at the knee, his feet were by his face, and his arms were to the side. After birth, he had trouble feeding and was … read more

The participant began to experience tremors at 4 months and concerns were raised for global developmental delay when she failed to meet developmental milestones. Early in life, she had episodic fevers, frequently requiring hospitalization, and staring spells thought to be seizures (absence seizures). After evaluation by neurology, she had an … read more

Since infancy, the patient’s height, weight and head circumference have been above the 95th percentile, and X-rays have shown advanced bone age. He had two heart problems (ventricular septal defect, patent ductus arteriosus) that resolved on their own. At age 5, he was diagnosed with weak cartilage in the walls … read more
