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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

PRDM16 PIK3CD MED13L BSN MED14 MARS1

Meet Our Participants


IRF2BPL

The participant was meeting his developmental milestones until age 6 when he started to struggle with walking, falling 2-3 times a month. He also started slurring his words and his speech became muffled, making it difficult to understand. A year later when he was evaluated, he was found to have … read more

Shortly after birth, the participant had difficulty growing (failure to thrive in infancy). Testing at this time revealed delayed gastric emptying (gastroparesis) and severe acid reflux (gastroesophageal reflux). Surgery was performed and a nasogastric feeding tube was placed to help support his growth. The participant experienced recurrent ear infections (recurrent … read more

After birth, the patient was found to be missing a thyroid (absent thyroid). She proceeded to have difficulty feeding, which may have been the result of facial paralysis. At 9 months, she was brought to the hospital with swelling around both eyes and a biopsy showed atypical histiocytic cells. Her … read more

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