Case Report: Association of Ocular Colobomas With a Novel Missense Variant in CDC42, a Member of the Rho Family of Small GTPases.

Abstract excerpt

We present a 2-year-old male with bilateral iris and chorioretinal colobomas, speech delays, and facial and digital anomalies. Trio exome sequencing demonstrated a de novo, novel heterozygous variant, c.379G>A p.Glu127Lys in CDC42, conferring a diagnosis of Takenouchi-Kosaki syndrome. The p.Glu127Lys variant was not located in the same region as previously designated mutation classes for CDC42, and the patient's...

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