" /> Moyamoya disease 1 - CISMeF





Preferred Label : Moyamoya disease 1;

Symbol : MYMY1;

CISMeF acronym : MYMY; MYMY1;

Type : Phenotype or locus, molecular basis unknown;

Alternative titles and symbols : Moyamoya disease; Spontaneous occlusion of the circle of willis; MYMY;

Description : Moyamoya is the name given to a cerebral angiographic picture of bilateral intracranial carotid artery occlusion associated with telangiectatic vessels in the region of the basal ganglia. The Japanese word moyamoya means 'something hazy like a puff of cigarette smoke, drifting in the air.' Hemiplegia of sudden onset and epileptic seizures constitute the prevailing presentation in childhood, while subarachnoid bleeding occurs more frequently in adults (summary by Suzuki, 1986). - Genetic Heterogeneity of Moyamoya Disease Susceptibility to moyamoya disease-2 (MYMY2; 607151) is caused by variation in the RNF213 gene (613768) on chromosome 17q25. Moyamoya disease-5 (MYMY5; 614042) is caused by mutation in the ACTA2 gene (102620) on chromosome 10q23.3. Loci for the disorder have been mapped to chromosome 3p (MYMY1) and chromosome 8q23 (MYMY3; 608796). See also MYMY4 (300845), an X-linked recessive syndromic disorder characterized by moyamoya disease, short stature, hypergonadotropic hypogonadism, and facial dysmorphism.;

Inheritance : Autosomal recessive;

Prefixed ID : %252350;

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03/05/2025


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