" /> Duane retraction syndrome 1 - CISMeF





Preferred Label : Duane retraction syndrome 1;

Symbol : DURS1;

CISMeF acronym : DRS; DURS1; DUS;

Type : Phenotype or locus, molecular basis unknown;

Alternative titles and symbols : Duane syndrome; Retraction syndrome; DUS; Duane anomaly; DRS;

Description : Duane retraction syndrome is a congenital eye movement disorder characterized by a failure of cranial nerve VI (the abducens nerve) to develop normally, resulting in restriction or absence of abduction, adduction, or both, and narrowing of the palpebral fissure and retraction of the globe on attempted adduction. Undiagnosed in children, it can lead to amblyopia, a permanent uncorrectable loss of vision (Appukuttan et al., 1999). - Genetic Heterogeneity of Duane Retraction Syndrome Duane retraction syndrome-1 (DURS1) maps to chromosome 8q13. Duane retraction syndrome-2 (DURS2; 604356) is caused by mutation in the CHN1 gene (118423) on chromosome 2q31.;

Inheritance : Autosomal dominant;

Prefixed ID : %126800;

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27/07/2025


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