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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


After intentionally losing a significant amount of weight at age 14, the participant began to experience back pain and was later hospitalized for generalized tissue swelling (anasarca) as well as high blood sugar levels. He was identified to have weak and brittle bones (osteoporosis), fractures of bones of the spine … read more

tall stature, occipital protuberance, atrial fibrillation

Starting in early childhood, the participant experienced chronic diarrhea with excess fat in his stool (steatorrhea), fragile and sagging skin (cutis laxa), and poor wound healing. At 11 years old, a heart murmur was detected. Later in life, the participant was diagnosed with atrial fibrillation and heart muscle disease (cardiomyopathy). … read more

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

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