Abstract:
:Alzheimer's disease (AD) and age-related macular degeneration (AMD) are both neurodegenerative disorders which share common pathological and biochemical features of the complement pathway. The aim of this study was to investigate whether there is an association between well replicated AMD genetic risk factors and AD. A large cohort of AD (n = 3898) patients and controls were genotyped for single nucleotide polymorphisms (SNPs) in the complement factor H (CFH), the Age-related maculopathy susceptibility protein 2 (ARMS2) the complement component 2 (C2), the complement factor B (CFB), and the complement component 3 (C3) genes. While significant but modest associations were identified between the complement factor H, the age-related maculopathy susceptibility protein 2, and the complement component 3 single nucleotide polymorphisms and AD, these were different in direction or genetic model to that observed in AMD. In addition the multilocus genetic model that predicts around a half of the sibling risk for AMD does not predict risk for AD. Our study provides further support to the hypothesis that while activation of the alternative complement pathway is central to AMD pathogenesis, it is less involved in AD.
journal_name
Neurobiol Agingjournal_title
Neurobiology of agingauthors
Proitsi P,Lupton MK,Dudbridge F,Tsolaki M,Hamilton G,Daniilidou M,Pritchard M,Lord K,Martin BM,Johnson J,Craig D,Todd S,McGuinness B,Hollingworth P,Harold D,Kloszewska I,Soininen H,Mecocci P,Velas B,Gill M,Lawlordoi
10.1016/j.neurobiolaging.2011.12.036subject
Has Abstractpub_date
2012-08-01 00:00:00pages
1843.e9-17issue
8eissn
0197-4580issn
1558-1497pii
S0197-4580(11)00581-1journal_volume
33pub_type
杂志文章,多中心研究abstract::TREM2 mutations were first identified in Nasu-Hakola disease, a rare autosomal recessive disease characterized by recurrent fractures because of bone cysts and presenile dementia. Recently, homozygous and compound heterozygous TREM2 mutations were identified in rare families with frontotemporal lobar degeneration (FTL...
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journal_title:Neurobiology of aging
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