De Novo Missense Variants Disrupt Ras-GEF Domains and Cause Congenital Ventriculomegaly and Hydrocephalus. Mehta NH, Dennis E, Allington G, et al. De Novo Missense Variants Disrupt Ras-GEF Domains and Cause Congenital Ventriculomegaly and Hydrocephalus. Human mutation. 2026;2026:8870037. doi:10.1155/humu/8870037 PMCID PMC13115915 Read more