Abstract
Cerebrospinal fluid (CSF) amyloid beta (Aβ42), total tau (t-tau), and phosphorylated tau (p-tau181) are well accepted markers of Alzheimer's disease. We performed a GWAS meta-analysis including 18,948 individuals of European and 416 non-European ancestry. We identified 12 genome-wide significant loci across all three biomarkers, eight of them novel. We replicated the association of CSF biomarkers with APOE , CR1 , GMNC/CCDC50 and C16orf95/MAP1LC3B . Novel loci included BIN1 for Aβ42 and GNA12, MS4A6A, SLCO1A2 with both t-tau and p-tau181, as well as additional loci on chr. 8, near ANGPT1 and chr. 9 near SMARCA2 . We also demonstrated that these variants were not only associated with CSF level of the three biomarkers but also showed significant association with AD risk, disease progression and/or brain amyloidosis. The associated genes are implicated in lipid metabolism independent APOE , as well as autophagy and brain volume regulation driven by t-tau and p-tau181 dysregulation.
| Original language | English |
|---|---|
| Journal | Research square |
| DOIs | |
| Publication status | Published - 21 May 2025 |
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