" /> Gerstmann-straussler disease - CISMeF





Preferred Label : Gerstmann-straussler disease;

Symbol : GSD;

CISMeF acronym : GSD; GSS;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Encephalopathy, subacute spongiform, gerstmann-straussler type; Gerstmann-straussler-scheinker disease; Cerebellar ataxia, progressive dementia, and amyloid deposits in cns; Amyloidosis, cerebral, with spongiform encephalopathy; Prion dementia; GSS;

Included titles and symbols : Cerebral amyloid angiopathy, prnp-related;

Description : Gerstmann-Straussler disease is a rare inherited prion disease characterized by adult onset of memory loss, dementia, ataxia, and pathologic deposition of amyloid-like plaques in the brain (Gerstmann et al., 1936). Gerstmann-Straussler disease typically presents with progressive limb and truncal ataxia, dysarthria, and cognitive decline in the thirties and forties, and the average disease duration is 7 years. GSD can be distinguished from CJD by earlier age at onset, longer disease duration, and prominent cerebellar ataxia (Masters et al., 1981). On the basis of clinical and pathologic criteria, Hsiao et al. (1989) suggested that Gerstmann-Straussler syndrome could be classified into 3 forms: an 'ataxic' form, a 'dementing' form, and a dementing form that is accompanied by pathologic quantities of neurofibrillary tangles (NFTs). However, these distinctions may only underscore the phenotypic variability in presentation and progression of the disease (Panegyres et al., 2001).;

Inheritance : Autosomal dominant;

Molecular basis : Caused by mutation in the prion protein gene (PRNP, 176640.0002);

Prefixed ID : #137440;

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16/05/2024


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