Bridging the gap between statistical and biological epistasis in Alzheimer's disease

Mark T.W. Ebbert, Perry G. Ridge, John S.K. Kauwe

Research output: Contribution to journalReview articlepeer-review

22 Scopus citations

Abstract

Alzheimer's disease affects millions of people worldwide and incidence is expected to rise as the population ages, but no effective therapies exist despite decades of research and more than 20 known disease markers. Research has shown that Alzheimer's disease's missing heritability remains extensive with an estimated 25% of phenotypic variance unexplained by known variants. The missing heritability may be explained by missing variants or by epistasis. Researchers often focus on individual loci rather than epistatic interactions, which is likely an oversimplification of the underlying biology since most phenotypes are affected by multiple genes. Focusing research efforts on epistasis will be critical to resolving Alzheimer's disease etiology, and a major key to identifying and properly interpreting key epistatic interactions will be bridging the gap between statistical and biological epistasis. This review covers the current state of epistasis research in Alzheimer's disease and how researchers can bridge the gap between statistical and biological epistasis to help resolve Alzheimer's disease etiology.

Original languageEnglish
Article number870123
JournalBioMed Research International
Volume2015
DOIs
StatePublished - 2015

Bibliographical note

Publisher Copyright:
© 2015 Mark T. W. Ebbert et al.

ASJC Scopus subject areas

  • General Biochemistry, Genetics and Molecular Biology
  • General Immunology and Microbiology

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