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Genetic Variants and Related Biomarkers in Sporadic Alzheimer's Disease.


ABSTRACT: From a neuropathological perspective, elderly patients who die with a clinical diagnosis of sporadic Alzheimer's disease (AD) are a heterogeneous group with several different pathologies contributing to the AD phenotype. This poses a challenge when searching for low effect size susceptibility genes for AD. Further, control groups may be contaminated by significant numbers of preclinical AD patients, which also reduces the power of genetic association studies. Here, we discuss how cerebrospinal fluid and imaging biomarkers can be used to increase the chance of finding novel susceptibility genes and as a means to study the functional consequences of risk alleles.

SUBMITTER: Guerreiro R 

PROVIDER: S-EPMC4317514 | biostudies-literature |

REPOSITORIES: biostudies-literature

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