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COMT val158met is not associated with Aβ-amyloid and APOE ε4 related cognitive decline in cognitively normal older adults.

Authors: Ames D, Burnham SC, Groth D, Laws SM, Lim YY, Martins RN, Maruff P, Masters CL, Milicic L, Peretti M, Porter T, Rainey-Smith S, Rowe CC, Salvado O, Savage G, Sohrabi HR, Verdile G, Villemagne VL, Weinborn M

Journal: IBRO reports

DOI: 10.1016/j.ibror.2019.05.001

Year Published: 2019

The non-synonymous single nucleotide polymorphism (SNP), Val158Met within the Catechol-O-methyltransferase (COMT) gene has been associated with altered levels of cognition and memory performance in cognitively normal adults. This study aimed to investigate the independent and interactional effects of COMT Val158Met on cognitive performance. In particular, it was hypothesised that COMT Val158Met would modify the effect […]

A Polygenic Risk Score Derived From Episodic Memory Weighted Genetic Variants Is Associated With Cognitive Decline in Preclinical Alzheimer’s Disease.

Authors: Ames D, Burnham SC, Groth D, Laws SM, Lim YY, Martins RN, Maruff P, Masters CL, Milicic L, Peretti M, Porter T, Rainey-Smith S, Rowe CC, Salvado O, Savage G, Taddei K, Verdile G, Villemagne VL

Journal: Frontiers in Aging Neuroscience

DOI: 10.3389/fnagi.2018.00423

Year Published: 2018

Studies of Alzheimer’s disease risk-weighted polygenic risk scores (PRSs) for cognitive performance have reported inconsistent associations. This inconsistency is particularly evident when PRSs are assessed independent of APOE genotype. As such, the development and assessment of phenotype-specific weightings to derive PRSs for cognitive decline in preclinical AD is warranted. To this end a episodic memory-weighted […]