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Our Current Research

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.

Genes of interest

ETFDH WRNIP1 PRDM16 PIK3CD MED13L BSN

Meet Our Participants


The patient began experiencing muscle weakness and tiredness around 9 years old. He was found to have problems with coordination (ataxia), drooping eyelids (ptosis), and rapid, uncontrolled eye movements (nystagmus). A brain MRI showed moderate atrophy of his cerebellum. His symptoms have progressed quickly and he now requires the use … read more

The participant was born preterm at 31 weeks with low birth weight. The pregnancy was complicated by twins, liver disease (cholestasis), and kidney stones. The participant’s twin had multiple birth differences and passed away at 5 months old in the NICU. The participant stayed in the NICU for 41 days … read more

The participant had a complicated pregnancy and was delivered by C-section because he was in breech position. The delivery was difficult, and he had the umbilical cord wrapped around his neck at birth. He spent 16 days after delivery in the neonatal intensive care unit (NICU) and had trouble breathing … read more

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