1. Genetic overlap between Alzheimer’s disease and Parkinson’s disease at the MAPT locus
- Author
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Desikan, RS, Schork, AJ, Wang, Y, Witoelar, A, Sharma, M, McEvoy, LK, Holland, D, Brewer, JB, Chen, C-H, Thompson, WK, Harold, D, Williams, J, Owen, MJ, O'Donovan, MC, Pericak-Vance, MA, Mayeux, R, Haines, JL, Farrer, LA, Schellenberg, GD, Heutink, P, Singleton, AB, Brice, A, Wood, NW, Hardy, J, Martinez, M, Choi, SH, DeStefano, A, Ikram, MA, Bis, JC, Smith, A, Fitzpatrick, AL, Launer, L, van Duijn, C, Seshadri, S, Ulstein, ID, Aarsland, D, Fladby, T, Djurovic, S, Hyman, BT, Snaedal, J, Stefansson, H, Stefansson, K, Gasser, T, Andreassen, OA, and Dale, AM
- Subjects
Biomedical and Clinical Sciences ,Biological Psychology ,Clinical and Health Psychology ,Clinical Sciences ,Psychology ,Human Genome ,Brain Disorders ,Neurosciences ,Neurodegenerative ,Parkinson's Disease ,Prevention ,Aging ,Alzheimer's Disease ,Dementia ,Genetics ,Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD) ,Acquired Cognitive Impairment ,2.1 Biological and endogenous factors ,Aetiology ,Neurological ,Aged ,Aged ,80 and over ,Alleles ,Alzheimer Disease ,Apolipoproteins E ,Brain ,Chromosomes ,Human ,Pair 17 ,Female ,Genetic Loci ,Genetic Pleiotropy ,Genome-Wide Association Study ,Humans ,Male ,Middle Aged ,Parkinson Disease ,Polymorphism ,Single Nucleotide ,tau Proteins ,ADNI ,ADGC ,GERAD ,CHARGE and IPDGC Investigators ,Biological Sciences ,Medical and Health Sciences ,Psychology and Cognitive Sciences ,Psychiatry ,Clinical sciences ,Biological psychology ,Clinical and health psychology - Abstract
We investigated the genetic overlap between Alzheimer's disease (AD) and Parkinson's disease (PD). Using summary statistics (P-values) from large recent genome-wide association studies (GWAS) (total n=89 904 individuals), we sought to identify single nucleotide polymorphisms (SNPs) associating with both AD and PD. We found and replicated association of both AD and PD with the A allele of rs393152 within the extended MAPT region on chromosome 17 (meta analysis P-value across five independent AD cohorts=1.65 × 10(-7)). In independent datasets, we found a dose-dependent effect of the A allele of rs393152 on intra-cerebral MAPT transcript levels and volume loss within the entorhinal cortex and hippocampus. Our findings identify the tau-associated MAPT locus as a site of genetic overlap between AD and PD, and extending prior work, we show that the MAPT region increases risk of Alzheimer's neurodegeneration.
- Published
- 2015