Exome sequencing identifies rare damaging variants in ATP8B4 and ABCA1 as risk factors for Alzheimer’s disease

Henne Holstege*, Marc Hulsman*, Camille Charbonnier, Benjamin Grenier-Boley, Olivier Quenez, Detelina Grozeva, Jeroen G.J. van Rooij, Rebecca Sims, Shahzad Ahmad, Najaf Amin, Penny J. Norsworthy, Oriol Dols-Icardo, Holger Hummerich, Amit Kawalia, Philippe Amouyel, Gary W. Beecham, Claudine Berr, Joshua C. Bis, Anne Boland, Paola BossùFemke Bouwman, Jose Bras, Dominique Campion, J. Nicholas Cochran, Antonio Daniele, Jean François Dartigues, Stéphanie Debette, Jean François Deleuze, Nicola Denning, Anita L. DeStefano, Lindsay A. Farrer, Maria Victoria Fernández, Nick C. Fox, Daniela Galimberti, Emmanuelle Genin, Johan J.P. Gille, Yann Le Guen, Rita Guerreiro, Jonathan L. Haines, Clive Holmes, M. Arfan Ikram, M. Kamran Ikram, Iris E. Jansen, Robert Kraaij, Marc Lathrop, Afina W. Lemstra, Alberto Lleó, Lauren Luckcuck, Marcel M.A.M. Mannens, Rachel Marshall, Eden R. Martin, Carlo Masullo, Richard Mayeux, Patrizia Mecocci, Alun Meggy, Merel O. Mol, Kevin Morgan, Richard M. Myers, Benedetta Nacmias, Adam C. Naj, Valerio Napolioni, Florence Pasquier, Pau Pastor, Margaret A. Pericak-Vance, Rachel Raybould, Richard Redon, Marcel J.T. Reinders, Anne Claire Richard, Steffi G. Riedel-Heller, Fernando Rivadeneira, Stéphane Rousseau, Natalie S. Ryan, Salha Saad, Pascual Sanchez-Juan, Gerard D. Schellenberg, Philip Scheltens, Jonathan M. Schott, Davide Seripa, Sudha Seshadri, Daoud Sie, Erik A. Sistermans, Sandro Sorbi, Resie van Spaendonk, Gianfranco Spalletta, Niccolo’ Tesi, Betty Tijms, André G. Uitterlinden, Sven J. van der Lee, Pieter Jelle Visser, Michael Wagner, David Wallon, Li San Wang, Aline Zarea, Jordi Clarimon, John C. van Swieten, Michael D. Greicius, Jennifer S. Yokoyama, Carlos Cruchaga, John Hardy, Alfredo Ramirez, Simon Mead, Wiesje M. van der Flier, Cornelia M. van Duijn, Julie Williams, Gaël Nicolas*, Céline Bellenguez, Jean Charles Lambert*

*Corresponding author for this work

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Abstract

Alzheimer’s disease (AD), the leading cause of dementia, has an estimated heritability of approximately 70%1. The genetic component of AD has been mainly assessed using genome-wide association studies, which do not capture the risk contributed by rare variants2. Here, we compared the gene-based burden of rare damaging variants in exome sequencing data from 32,558 individuals—16,036 AD cases and 16,522 controls. Next to variants in TREM2, SORL1 and ABCA7, we observed a significant association of rare, predicted damaging variants in ATP8B4 and ABCA1 with AD risk, and a suggestive signal in ADAM10. Additionally, the rare-variant burden in RIN3, CLU, ZCWPW1 and ACE highlighted these genes as potential drivers of respective AD-genome-wide association study loci. Variants associated with the strongest effect on AD risk, in particular loss-of-function variants, are enriched in early-onset AD cases. Our results provide additional evidence for a major role for amyloid-β precursor protein processing, amyloid-β aggregation, lipid metabolism and microglial function in AD.

Original languageEnglish
Pages (from-to)1786-1794
Number of pages9
JournalNature Genetics
Volume54
Issue number12
DOIs
Publication statusPublished - 21 Nov 2022

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