New Insights into the Genetics of Fetal Megacystis: ACTG2 Mutations, Encoding γ-2 Smooth Muscle Actin in Megacystis Microcolon Intestinal Hypoperistalsis Syndrome (Berdon Syndrome)

Abstract excerpt

OBJECTIVE: To identify the molecular basis for prenatally suspected cases of megacystis microcolon intestinal hypoperistalsis syndrome (MMIHS) (MIM 249210) in 3 independent families with clinical and radiographic evidence of MMIHS. METHODS: Whole-exome sequencing (WES) and Sanger sequencing of the ACTG2 gene. RESULTS: We identified a novel heterozygous de novo missense variant in ACTG2 c.770G>A (p.Arg257His)...

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