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Genetic analysis explains rare disease severity, points to possible treatment

Normal lung tissue is shown on the left. On the right is lung tissue from a person with primary ciliary dyskinesia with a CCDC39 mutation. A large mucus plug is visible in magenta, demonstrating the severe airway problems seen in such patients with these specific mutations. (Image: Brody lab/WashU Medicine)
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Researchers at Washington University School of Medicine in St. Louis have uncovered why some patients with a rare genetic disorder called primary ciliary dyskinesia have worse lung problems than others with the same disorder. The discovery, published in Science Translational Medicine, suggests that gene therapy to restore a missing protein complex could help treat the disease. Patients with the disorder who are treated at WashU Medicine participated in this research.