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Early-onset Dementia v1.9 APP Bryony Thompson Marked gene: APP as ready
Early-onset Dementia v1.9 APP Bryony Thompson Gene: app has been classified as Green List (High Evidence).
Early-onset Dementia v1.9 APP Bryony Thompson Mode of pathogenicity for gene: APP was changed from to Other
Early-onset Dementia v1.8 APP Bryony Thompson Publications for gene: APP were set to
Early-onset Dementia v1.7 APP Bryony Thompson Phenotypes for gene: APP were changed from to Alzheimer disease MONDO:0007088
Early-onset Dementia v1.6 APP Bryony Thompson Mode of inheritance for gene: APP was changed from Unknown to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Early-onset Dementia v0.216 XK Sangavi Sivagnanasundram edited their review of gene: XK: Added comment: McLeod Syndrome (MLS) is multisystem disorder with central nervous system (CNS), neuromuscular, cardiovascular, and hematologic manifestations in males.

Dementia is not a typical feature of MLS but cognitive impairment has been identified in multiple individuals with MLS.

PMID: 12899725
Reported in one individual with McLeod Syndrome (MLS) who developed mild dementia during disease progression (age of onset was later in life). Testing confirmed he has a complete deletion of exon 2.

PMID: 11761473
Approx 15 individuals identified with neurological impact to the central nervous system resulting in cognitive impairment.; Changed rating: GREEN; Changed publications: 12899725, 11761473
Early-onset Dementia v0.160 APP Sangavi Sivagnanasundram reviewed gene: APP: Rating: GREEN; Mode of pathogenicity: None; Publications: 20301340, 1671712, 1678058, 1908231, 1302033; Phenotypes: Alzheimer disease (MIM#104300, MONDO:0007088); Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Early-onset Dementia v0.110 SPG21 Zornitza Stark changed review comment from: Mast syndrome is an autosomal recessive complicated form of hereditary spastic paraplegia in which progressive spastic paraparesis is associated in more advanced cases with cognitive decline, dementia, and other neurologic abnormalities. Symptom onset usually occurs in adulthood, and the disorder is progressive with variable severity. Brain imaging shows thinning of the corpus callosum. The disorder occurs with high frequency in the Old Order Amish. Founder variant in Amish, two additional families and a mouse model.; to: Mast syndrome is an autosomal recessive complicated form of hereditary spastic paraplegia in which progressive spastic paraparesis is associated in more advanced cases with cognitive decline, dementia, and other neurologic abnormalities. Symptom onset usually occurs in adulthood, and the disorder is progressive with variable severity. Brain imaging shows thinning of the corpus callosum. The disorder occurs with high frequency in the Old Order Amish. Founder variant in Amish, two additional families and a mouse model.

New HGNC approved gene name is ACP33
Early-onset Dementia v0.0 APP Zornitza Stark gene: APP was added
gene: APP was added to Early-onset Dementia_MGHA_VCGS. Sources: Expert Review Green,Victorian Clinical Genetics Services,Melbourne Genomics Health Alliance Complex Neurology Flagship
Mode of inheritance for gene: APP was set to Unknown