000270311 001__ 270311 000270311 005__ 20250127091753.0 000270311 0247_ $$2doi$$a10.1002/alz.13818 000270311 0247_ $$2pmid$$apmid:38666355 000270311 0247_ $$2pmc$$apmc:PMC11180868 000270311 0247_ $$2ISSN$$a1552-5260 000270311 0247_ $$2ISSN$$a1552-5279 000270311 0247_ $$2altmetric$$aaltmetric:163204413 000270311 037__ $$aDZNE-2024-00783 000270311 041__ $$aEnglish 000270311 082__ $$a610 000270311 1001_ $$0P:(DE-2719)2811659$$aLevin, Johannes$$b0$$eFirst author 000270311 245__ $$aα-Synuclein seed amplification assay detects Lewy body co-pathology in autosomal dominant Alzheimer's disease late in the disease course and dependent on Lewy pathology burden. 000270311 260__ $$aHoboken, NJ$$bWiley$$c2024 000270311 3367_ $$2DRIVER$$aarticle 000270311 3367_ $$2DataCite$$aOutput Types/Journal article 000270311 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1718718238_13422 000270311 3367_ $$2BibTeX$$aARTICLE 000270311 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000270311 3367_ $$00$$2EndNote$$aJournal Article 000270311 520__ $$aAmyloid beta and tau pathology are the hallmarks of sporadic Alzheimer's disease (AD) and autosomal dominant AD (ADAD). However, Lewy body pathology (LBP) is found in ≈ 50% of AD and ADAD brains.Using an α-synuclein seed amplification assay (SAA) in cerebrospinal fluid (CSF) from asymptomatic (n = 26) and symptomatic (n = 27) ADAD mutation carriers, including 12 with known neuropathology, we investigated the timing of occurrence and prevalence of SAA positive reactivity in ADAD in vivo.No asymptomatic participant and only 11% (3/27) of the symptomatic patients tested SAA positive. Neuropathology revealed LBP in 10/12 cases, primarily affecting the amygdala or the olfactory areas. In the latter group, only the individual with diffuse LBP reaching the neocortex showed α-synuclein seeding activity in CSF in vivo.Results suggest that in ADAD LBP occurs later than AD pathology and often as amygdala- or olfactory-predominant LBP, for which CSF α-synuclein SAA has low sensitivity.Cerebrospinal fluid (CSF) real-time quaking-induced conversion (RT-QuIC) detects misfolded α-synuclein in ≈ 10% of symptomatic autosomal dominant Alzheimer's disease (ADAD) patients. CSF RT-QuIC does not detect α-synuclein seeding activity in asymptomatic mutation carriers. Lewy body pathology (LBP) in ADAD mainly occurs as olfactory only or amygdala-predominant variants. LBP develops late in the disease course in ADAD. CSF α-synuclein RT-QuIC has low sensitivity for focal, low-burden LBP. 000270311 536__ $$0G:(DE-HGF)POF4-353$$a353 - Clinical and Health Care Research (POF4-353)$$cPOF4-353$$fPOF IV$$x0 000270311 536__ $$0G:(DE-HGF)POF4-352$$a352 - Disease Mechanisms (POF4-352)$$cPOF4-352$$fPOF IV$$x1 000270311 588__ $$aDataset connected to CrossRef, PubMed, , Journals: pub.dzne.de 000270311 650_7 $$2Other$$aalpha‐synuclein seed amplification assay 000270311 650_7 $$2Other$$aDominantly Inherited Alzheimer Network 000270311 650_7 $$2Other$$aLewy body pathology 000270311 650_7 $$2Other$$aalpha‐synuclein seed amplification assay 000270311 650_7 $$2Other$$areal‐time quaking‐induced conversion 000270311 650_7 $$2NLM Chemicals$$aalpha-Synuclein 000270311 650_7 $$2NLM Chemicals$$aAmyloid beta-Peptides 000270311 650_7 $$2Other$$areal‐time quaking‐induced conversion 000270311 650_2 $$2MeSH$$aAlzheimer Disease: diagnosis 000270311 650_2 $$2MeSH$$aHumans 000270311 650_2 $$2MeSH$$aAlzheimer Disease: genetics 000270311 650_2 $$2MeSH$$aAlzheimer Disease: pathology 000270311 650_2 $$2MeSH$$aAlzheimer Disease: cerebrospinal fluid 000270311 650_2 $$2MeSH$$aalpha-Synuclein: cerebrospinal fluid 000270311 650_2 $$2MeSH$$aalpha-Synuclein: genetics 000270311 650_2 $$2MeSH$$aFemale 000270311 650_2 $$2MeSH$$aMale 000270311 650_2 $$2MeSH$$aMiddle Aged 000270311 650_2 $$2MeSH$$aLewy Bodies: pathology 000270311 650_2 $$2MeSH$$aAged 000270311 650_2 $$2MeSH$$aMutation 000270311 650_2 $$2MeSH$$aBrain: pathology 000270311 650_2 $$2MeSH$$aAmyloid beta-Peptides: cerebrospinal fluid 000270311 650_2 $$2MeSH$$aAmyloid beta-Peptides: metabolism 000270311 650_2 $$2MeSH$$aDisease Progression 000270311 693__ $$0EXP:(DE-2719)DIAN-20090101$$5EXP:(DE-2719)DIAN-20090101$$eLongitudinal Study on Dominantly Inherited Alzheimer's Disease$$x0 000270311 7001_ $$aBaiardi, Simone$$b1 000270311 7001_ $$aQuadalti, Corinne$$b2 000270311 7001_ $$aRossi, Marcello$$b3 000270311 7001_ $$aMammana, Angela$$b4 000270311 7001_ $$0P:(DE-2719)2811820$$aVöglein, Jonathan$$b5$$udzne 000270311 7001_ $$0P:(DE-2719)9002620$$aBernhardt, Alexander$$b6$$udzne 000270311 7001_ $$aPerrin, Richard J$$b7 000270311 7001_ $$0P:(DE-2719)2000010$$aJucker, Mathias$$b8$$udzne 000270311 7001_ $$0P:(DE-2719)2811828$$aPreische, Oliver$$b9$$udzne 000270311 7001_ $$0P:(DE-2719)2814244$$aHofmann, Anna$$b10$$udzne 000270311 7001_ $$0P:(DE-2719)2811373$$aHöglinger, Günter U$$b11$$udzne 000270311 7001_ $$aCairns, Nigel J$$b12 000270311 7001_ $$aFranklin, Erin E$$b13 000270311 7001_ $$aChrem, Patricio$$b14 000270311 7001_ $$aCruchaga, Carlos$$b15 000270311 7001_ $$aBerman, Sarah B$$b16 000270311 7001_ $$aChhatwal, Jasmeer P$$b17 000270311 7001_ $$aDaniels, Alisha$$b18 000270311 7001_ $$aDay, Gregory S$$b19 000270311 7001_ $$aRyan, Natalie S$$b20 000270311 7001_ $$aGoate, Alison M$$b21 000270311 7001_ $$aGordon, Brian A$$b22 000270311 7001_ $$aHuey, Edward D$$b23 000270311 7001_ $$aIbanez, Laura$$b24 000270311 7001_ $$aKarch, Celeste M$$b25 000270311 7001_ $$0P:(DE-HGF)0$$aLee, Jae-Hong$$b26 000270311 7001_ $$aLlibre-Guerra, Jorge$$b27 000270311 7001_ $$aLopera, Francisco$$b28 000270311 7001_ $$aMasters, Colin L$$b29 000270311 7001_ $$aMorris, John C$$b30 000270311 7001_ $$aNoble, James M$$b31 000270311 7001_ $$aRenton, Alan E$$b32 000270311 7001_ $$aRoh, Jee Hoon$$b33 000270311 7001_ $$aFrosch, Matthew P$$b34 000270311 7001_ $$aKeene, C Dirk$$b35 000270311 7001_ $$aMcLean, Catriona$$b36 000270311 7001_ $$aSanchez-Valle, Raquel$$b37 000270311 7001_ $$aSchofield, Peter R$$b38 000270311 7001_ $$aSupnet-Bell, Charlene$$b39 000270311 7001_ $$aXiong, Chengjie$$b40 000270311 7001_ $$aGiese, Armin$$b41 000270311 7001_ $$aHansson, Oskar$$b42 000270311 7001_ $$aBateman, Randall J$$b43 000270311 7001_ $$aMcDade, Eric$$b44 000270311 7001_ $$aNetwork, Dominantly Inherited Alzheimer$$b45$$eCollaboration Author 000270311 7001_ $$00000-0002-9444-9524$$aParchi, Piero$$b46 000270311 773__ $$0PERI:(DE-600)2201940-6$$a10.1002/alz.13818$$gVol. 20, no. 6, p. 4351 - 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