The number of elderly dogs is increasing significantly worldwide, and many elderly dogs develop canine cognitive dysfunction syndrome (CCDS). 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
28,180 Alzheimer's and dementia studies in plain English, each scored out of 100.
The number of elderly dogs is increasing significantly worldwide, and many elderly dogs develop canine cognitive dysfunction syndrome (CCDS). 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Higher baseline plasma NfL was associated with greater rate of decline in ADAS-Cog from baseline to 6 months (standardized estimate of 0.00462, p = 0.02853) and in ADL from baseline to 12 months (standardized estimate of -0.00284, p = 0.03338). 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Although cerebrospinal fluid (CSF) biomarker testing is incorporated into some current guidelines for the diagnosis of dementia (such as England's National Institute for Health and Care Excellence (NICE)), it is not widely accessible for most patients for whom biomarkers could potentially change management. 1 key finding →
Evidence: low
Full summary, score breakdown and related studies → Original source
Aberrant cleavage of amyloid precursor protein (APP) by γ-secretase is closely associated with Alzheimer’s disease (AD). γ-secretase activating protein (GSAP) specifically promotes γ-secretase–mediated cleavage of APP. 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Alzheimer's disease (AD) is a devastating neurodegenerative disorder that affects millions of people worldwide. 1 key finding →
Evidence: low
Full summary, score breakdown and related studies → Original source
Individuals with AD had high CSF pT217/T217 and low Aβ42/40. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Microbial flora is investigated to be related with neuropathological conditions in Alzheimer's disease (AD), and is attracting attention as a drug discovery resource. 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The analysis revealed decreased Aβ42 levels and increased Aβ42/40 ratios in elderly patients with depression at admission compared with healthy subjects. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Alzheimer's disease (AD) is a progressive neurodegenerative disorder characterized by the accumulation of Aβ plaques and neurofibrillary tangles, resulting in synaptic loss and neurodegeneration. 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
High diagnostic sensitivity and negative predictive value (NPV) for Aβ-PET positivity were observed, consistent with the clinical performance of other plasma LC-MS/MS assays, but with greater separation between Aβ42/40 values for individuals with positive vs negative Aβ-PET results. 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Amyloid β 42/40 concentration quotient has been empirically shown to improve accuracy of the neurochemical diagnostics of Alzheimer's Disease (AD) compared to the Aβ42 concentration alone, but this improvement in diagnostic performance has not been backed up by a theoretical argumentation so far. 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The expression of ABCA1 was significantly downregulated in AD models at both mRNA and protein levels. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Amyloid-beta (Aβ) is produced from amyloid precursor protein (APP) primarily after APP is internalised by endocytosis and clathrin-mediated endocytic processes are altered in Alzheimer's disease (AD). 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The number of patients with Alzheimer's disease (AD) and non-Alzheimer's disease (non-AD) has drastically increased over recent decades. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The neurogranin concentration was higher in improved (68%) compared to unimproved patients (median 365 ng/L (IQR 186-544) vs 330 (205-456); p = 0.046). 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The aim of the present study is the evaluation of established Alzheimer's disease (AD) cerebrospinal fluid (CSF) biomarkers in patients with idiopathic normal-pressure hydrocephalus (iNPH), both individually and as a total profile, and the investigation of their use as potential predictors of Tap-test responsiveness. 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Presenilin 1 (PS1) is a central component of γ-secretase, an enzymatic complex involved in the generation of the amyloid-β (Aβ) peptide that deposits as plaques in the Alzheimer's disease (AD) brain. 2 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Synaptic degeneration is an early event closely associated with the course of Alzheimer's disease (AD). 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Twenty-nine participants' plasma p-tau181 samples were included (mean age 74 SD 8.5, 65% female). 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Based on the reduction of amyloid β plaques, US FDA has recently approved Aducanumab as a disease modifying treatment for Alzheimer's disease (AD). 1 key finding →
Evidence: low
Full summary, score breakdown and related studies → Original source
Firstly, we analyzed two microarray datasets related to AD (GSE48552, GSE129053) to identify the differentially expressed miRNAs, and two miRNAs were selected for further validation. 5 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
Plasma glial fibrillary acidic protein significantly correlated with cognitive function tests, including all subdomains, with a notable increase in the PDD group compared with the HC and PDND groups, while plasma neurofilament light chain captured both cognitive decline and disease severity in the PDND and PDD groups. 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The recent academic and commercial development, and regulatory approvals, of blood-based Alzheimer's disease (AD) biomarkers are breakthrough developments of immense potential. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source
The increasing prevalence of Alzheimer's disease (AD) has led to a health crisis. 1 key finding →
Evidence: low
Full summary, score breakdown and related studies → Original source
A blood test for Alzheimer's disease is now available for clinical use in persons with cognitive impairment. 1 key finding →
Evidence: low
Full summary, score breakdown and related studies → Original source
Free full text links and the Full text may need a subscription label come from Unpaywall, Europe PMC and OpenAlex records of free copies, checked 10 Oct 2026. A study with neither is unknown, not paywalled. Show only studies that are free to read
This is alzhub's own score. It is not an official metric, not an impact factor, and no journal, publisher or ranking body endorses it. We built it so that a reader who is not a scientist can tell a landmark trial from a conference abstract without having to already know the difference. Every point comes from one of 20 components, all of them printed on the study itself, so you can disagree with our arithmetic rather than having to trust the total.
Journals are placed in ordered tiers, never given a numeric impact factor — we could not verify current impact factors from a source we control, and an invented one would be worse than none. Tier 1 is the top-tier general journals (NEJM, The Lancet, JAMA, Nature, Science, Nature Medicine); tier 2 is the leading specialty journals; tier 3 is every other peer-reviewed journal. A separate part scores how much the journal's own papers are cited, which tells the tier-3 journals apart.
Two rules we don't bend. First, we never fill in a missing value: if a record does not state a sample size or a design, that component scores zero, and if we simply have no data for a part, such as a citation count, that part is left out and the study is scored on the parts we could check. The study card says which. Second, anything that is not a peer-reviewed article is capped at 16/100 and carries a warning chip — so a conference abstract or a company press release can never outrank a peer-reviewed paper, no matter how good it looks.
We rank a rigorous null result — a good trial showing that something does not work — above an early positive finding. Someone deciding whether to buy a supplement is served by that, and the rigour is already counted by the design and journal components.
The score is computed from the published data alone and is reproducible: the same file always yields the same numbers.
See the whole rubric drawn out → — four charts covering all 28,180 studies: how the scores are spread and where the cap bites, which of the 20 components the library is strong and weak on, which subjects rest on stronger evidence, and what kinds of study each subject is actually built from.
This is a large sample of the Alzheimer's literature, not an exhaustive index of it. It holds 28,180 records, built mostly from automated pulls of Europe PMC (61.7% of the library) and OpenAlex (18.1%), plus smaller pulls from PubMed, Crossref and medRxiv. If a study, a drug, or a finding isn't here, that is not evidence it doesn't exist in the literature — it may simply not have been pulled in yet.
1,034 records (3.7% of the library) are not peer-reviewed — 962 of those are preprints posted before any journal review, and the rest are conference abstracts, regulatory notices and reports. Every study card on this page states its status plainly, and the score above is capped for anything that isn't a peer-reviewed article.
See the full, machine-readable breakdown of this library's coverage →