ArticleAlzheimer's & dementia : the journal of the Alzheimer's Association2024
Associations among plasma, MRI, and amyloid PET biomarkers of Alzheimer's disease and related dementias and the impact of health-related comorbidities in a community-dwelling cohort.
Article in Alzheimer's & dementia : the journal of the Alzheimer's Association, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 1 of them a synthesis that pooled it.
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Who cites it
22 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Kidney Function and Blood and Cerebrospinal Fluid Biomarkers in Alzheimer's Disease and Related Dementias: Systematic Review and Meta-Analysis.Journal of the American Society of Nephrology : JASN · 2026Pooled it
- Blood Biomarkers of Alzheimer's Disease and Patterns of Structural Brain Changes in the Community.Annals of neurology · 2026Article
- Neighborhood greenspace and brain imaging outcomes in older adults without dementia from three US Alzheimer's Disease Research Centers.Health & place · 2026Article
- Evaluation of an in vivo biomarker of arteriolosclerosis (ARTS) and its associations with cognition and multimodal ATN(V) biomarkers in a cardiometabolic-risk enriched community cohort.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- Obesity, cardiometabolic health status, and brain health in community-dwelling older adults.Journal of Alzheimer's disease : JAD · 2026Article
- Acute total sleep deprivation transiently increases plasma total tau but not plasma P-tau181 in healthy adults.Frontiers in aging neuroscience · 2026Article
- Synergistic effects of cerebral small vessel disease burden and plasma phosphorylated tau 181 on white matter microstructure and cognition in a Chinese cohort.Brain communications · 2026Article
- Evaluation of an in vivo biomarker of arteriolosclerosis (ARTS) and its associations with cognition and multimodal ATN(V) biomarkers in a cardiometabolic-risk enriched community cohort.medRxiv : the preprint server for health sciences · 2025Article
- Associations of Place-based Social Determinants of Health with Biomarkers of Alzheimer's Disease and Related Dementias.Alzheimer's & dementia. Behavior & socioeconomics of aging · 2025Article
- Assessing Cognitive Decline and Dementia Risk in Black and White Older Adults With Blood Biomarkers pTau217, GFAP, NfL, and Aβ Ratio.Neurology · 2025Article
- Orthobiologics and Peptide Therapy for Central Nervous System Repair in Neurodegenerative Conditions.Cells · 2025Review
- The role of Tau, amyloid-β and neuroinflammation in the association between cognition and white matter hyperintensities in a southeast Asian cohort.The journal of prevention of Alzheimer's disease · 2025Article
- Neuroimaging correlates and biomarker performance of a fully automated plasma p-tau217/Aβ42 ratio assay in a clinical cohort with Alzheimer's disease.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Article
- Body mass index and blood volume influence plasma biomarkers and positron emission tomography classification in preclinical Alzheimer's disease.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Article
- Distinctive volumetric associations between plasma p-tau181 and hippocampal formation structures across the Alzheimer's disease continuum.Journal of Alzheimer's disease : JAD · 2025Article
- The Relationship of Alzheimer's Disease and Related Dementias Blood-Based Biomarkers and Informant-Reported Neuropsychiatric Symptoms Differs by Informant Type in Older Adults Without Dementia.International journal of geriatric psychiatry · 2025Article
- Evaluation of plasma p-tau217 for detecting amyloid pathology in a heterogeneous community-based cohort.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Article
- Plasma NfL and GFAP for predicting VCI and related brain changes in community and clinical cohorts.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Article
- Association of Alzheimer's disease biomarkers with low premorbid intellectual functioning in a multi-ethnic community-dwelling cohort: A cross-sectional study of HABS-HD.Journal of Alzheimer's disease : JAD · 2025Article
- Mitochondrial dysfunction-related metabolite methylmalonic acid is associated with decreased cognitive performance.PloS one · 2025Article
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Authors and funding
12 authors.
Funding
Abstract
introductionWe evaluated associations between plasma and neuroimaging-derived biomarkers of Alzheimer's disease and related dementias and the impact of health-related comorbidities.
methodsWe examined plasma biomarkers (neurofilament light chain, glial fibrillary acidic protein, amyloid beta [Aβ] 42/40, phosphorylated tau 181) and neuroimaging measures of amyloid deposition (Aβ-positron emission tomography [PET]), total brain volume, white matter hyperintensity volume, diffusion-weighted fractional anisotropy, and neurite orientation dispersion and density imaging free water. Participants were adjudicated as cognitively unimpaired (CU; N = 299), mild cognitive impairment (MCI; N = 192), or dementia (DEM; N = 65). Biomarkers were compared across groups stratified by diagnosis, sex, race, and APOE ε4 carrier status. General linear models examined plasma-imaging associations before and after adjusting for demographics (age, sex, race, education), APOE ε4 status, medications, diagnosis, and other factors (estimated glomerular filtration rate [eGFR], body mass index [BMI]).
resultsPlasma biomarkers differed across diagnostic groups (DEM > MCI > CU), were altered in Aβ-PET-positive individuals, and were associated with poorer brain health and kidney function. DISCUSSION: eGFR and BMI did not substantially impact associations between plasma and neuroimaging biomarkers. HIGHLIGHTS: Plasma biomarkers differ across diagnostic groups (DEM > MCI > CU) and are altered in Aβ-PET-positive individuals. Altered plasma biomarker levels are associated with poorer brain health and kidney function. Plasma and neuroimaging biomarker associations are largely independent of comorbidities.
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