Genome-wide meta-analysis for Alzheimer's disease cerebrospinal fluid biomarkers

Iris E Jansen*, Sven J van der Lee, Duber Gomez-Fonseca, Itziar de Rojas, Maria Carolina Dalmasso, Benjamin Grenier-Boley, Anna Zettergren, Aniket Mishra, Muhammad Ali, Victor Andrade, Céline Bellenguez, Luca Kleineidam, Fahri Küçükali, Yun Ju Sung, Niccolo Tesí, Ellen M Vromen, Douglas P Wightman, Daniel Alcolea, Montserrat Alegret, Ignacio AlvarezPhilippe Amouyel, Lavinia Athanasiu, Shahram Bahrami, Henri Bailly, Olivia Belbin, Sverre Bergh, Lars Bertram, Geert Jan Biessels, Kaj Blennow, Rafael Blesa, Mercè Boada, Anne Boland, Katharina Buerger, Ángel Carracedo, Laura Cervera-Carles, Geneviève Chene, Jurgen A H R Claassen, Stephanie Debette, Jean-Francois Deleuze, Peter Paul de Deyn, Janine Diehl-Schmid, Srdjan Djurovic, Oriol Dols-Icardo, Carole Dufouil, Emmanuelle Duron, Emrah Düzel, Tormod Fladby, Inez Ramakers, Pieter J Visser, EADB consortium

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Amyloid-beta 42 (Aβ42) and phosphorylated tau (pTau) levels in cerebrospinal fluid (CSF) reflect core features of the pathogenesis of Alzheimer's disease (AD) more directly than clinical diagnosis. Initiated by the European Alzheimer & Dementia Biobank (EADB), the largest collaborative effort on genetics underlying CSF biomarkers was established, including 31 cohorts with a total of 13,116 individuals (discovery n = 8074; replication n = 5042 individuals). Besides the APOE locus, novel associations with two other well-established AD risk loci were observed; CR1 was shown a locus for Aβ42 and BIN1 for pTau. GMNC and C16orf95 were further identified as loci for pTau, of which the latter is novel. Clustering methods exploring the influence of all known AD risk loci on the CSF protein levels, revealed 4 biological categories suggesting multiple Aβ42 and pTau related biological pathways involved in the etiology of AD. In functional follow-up analyses, GMNC and C16orf95 both associated with lateral ventricular volume, implying an overlap in genetic etiology for tau levels and brain ventricular volume.

Original languageEnglish
Pages (from-to)821-842
Number of pages22
JournalActa Neuropathologica
Volume144
Issue number5
Early online date6 Sept 2022
DOIs
Publication statusPublished - Nov 2022

Cite this