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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 participant was born with absent shoulder muscles (congenital bilateral absence of deltoid muscles), bilaterally underdeveloped bicep tendons, umbilical and inguinal hernias, and undescended testes (bilateral cryptorchidism), some of which were fixed with surgeries. Developmental delay was noted at 6 months old with delayed milestones. He had an IEP in … read more

The participant’s seizures were first noticed when he was 2 days old. However, they may have started during the pregnancy since some movements were noticed in utero. These seizures were described as small jerking motions. He spent 5 days in the NICU and was discharged with seizure medication. He was … read more

Participant 206 was born at 36 weeks gestation. Delivery was induced due to a suspected enlarged bladder and fluid in one kidney (mild unilateral hydronephrosis). At birth, he was noted to be “floppy” (congenital myopathy). Within a week, the participant underwent a procedure called a vesicostomy to assist with draining … read more

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