Tau gene has been consistently associated with the risk of Parkinson disease in recent genome wide association studies. 4 key findings →
Evidence: moderate
Full summary, score breakdown and related studies → Original source Free full text
27,780 Alzheimer's and dementia studies in plain English, each scored out of 100.
Tau gene has been consistently associated with the risk of Parkinson disease in recent genome wide association studies. 4 key findings →
Evidence: moderate
Full summary, score breakdown and related studies → Original source Free full text
Plasma GFAP and pTau biomarkers (pTau181, pTau231, pTau217) are significantly elevated in Aβ-positive individuals, with stronger Aβ–pTau associations observed in APOE ε4 carriers (CPAS: β = 0.26, p = 0.003 for pTau231; ADNI: β = 0.45, p < 0.001 for pTau181). 5 key findings →
Design: cohort Participants: 806 Evidence: moderate
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Mutations in triggering receptor expressed on myeloid cells 2 (TREM2) have been linked to increased Alzheimer's disease (AD) risk. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Triggering receptor expressed on myeloid cells 2 (TREM2) is a microglial surface receptor genetically linked to the risk for Alzheimer's disease (AD). 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Apolipoprotein E (Apo-E) is a major cholesterol carrier that supports lipid transport and injury repair in the brain. 3 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
From an initial cohort of 18 605 participants, 10 058 were included (5062 men [50.3%]; 4996 women [49.7%]; mean [SD] age, 60.9 [7.2] years). 5 key findings →
Design: cohort study Participants: 605 Evidence: moderate
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Several heterozygous missense mutations in the triggering receptor expressed on myeloid cells 2 (TREM2) have recently been linked to risk for a number of neurological disorders including Alzheimer disease (AD), Parkinson disease, and frontotemporal dementia. 1 key finding →
Evidence: low
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Triggering receptor expressed on myeloid cells 2 (TREM2) is an innate immune receptor expressed in microglia in the brain. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Alzheimer's disease (AD), the leading cause of dementia, is characterized by the accumulation of amyloid plaques and neurofibrillary tangles in the brain. 1 key finding →
Evidence: low
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Alzheimer's disease (AD) is the most common neurodegenerative disorder seen in age-dependent dementia. 5 key findings →
Evidence: low
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The incidence of Alzheimer disease (AD) and vascular dementia is greatly increased following cerebral ischemia and stroke in which hypoxic conditions occur in affected brain areas. beta-Amyloid peptide (Abeta), which is derived from the beta-amyloid precursor protein (APP) by sequential proteolytic cleavages from beta-secretase (BACE1) and presenilin-1 (PS1)/gamma-secretase, is widely believed to trigger a cascade of pathological events culminating in AD and vascular dementia. 4 key findings →
Evidence: low
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Triggering Receptor Expressed on Myeloid cells 2 (TREM2), which is expressed on myeloid cells including microglia in the CNS, has recently been identified as a risk factor for Alzheimer's disease (AD). 4 key findings →
Evidence: low
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Triggering receptor expressed on myeloid cells 2 (TREM2) plays crucial roles in Alzheimer's disease (AD) by regulating microglia migration toward, and phagocytosis of oligomeric amyloid-β (oAβ) and amyloid plaques. 4 key findings →
Evidence: low
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TREM2 is an innate immune receptor specifically expressed in microglia. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Triggering receptor expressed on myeloid cells 2 (TREM2) is strongly linked to Alzheimer's disease (AD) risk, but its functions are not fully understood. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Triggering receptor expressed on myeloid cells 2 (TREM2) is an innate immune receptor predominantly expressed by microglia in the brain. 4 key findings →
Evidence: low
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Alzheimer's disease (AD) is the most prevalent form of dementia in the elderly population. 4 key findings →
Evidence: low
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Myeloid-lineage cells accomplish a myriad of homeostatic tasks including the recognition of pathogens, regulation of the inflammatory milieu, and mediation of tissue repair and regeneration. 4 key findings →
Evidence: low
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Mutations in triggering receptor expressed on myeloid cells 2 (TREM2), which has been proposed to regulate the inflammatory responses and the clearance of apoptotic neurons and/or amyloid-β, are genetically linked to increased risk for late-onset Alzheimer's disease (AD). 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Aggregation of amyloid-β (Aβ) peptides leads to synaptic disruption and neurodegeneration in Alzheimer disease (AD). 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Triggering receptor expressed on myeloid cells 2 (TREM2) is a DAP12-associated receptor expressed in microglia, macrophages, and other myeloid-derived cells. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
Microglia plays crucial roles in Alzheimer's disease (AD) development. 4 key findings →
Evidence: low
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Alzheimer's disease (AD) is the leading cause of age-related dementia among the elderly population. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
DNAX-activating protein of 12 kDa (DAP12) is a signaling adapter protein expressed in cells that participate in innate immune responses. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Free full text
The proteolytic cleavage of Alzheimer beta-amyloid precursor protein (APP) and signaling receptor Notch is mediated by the PS/gamma-secretase complex, which consists of presenilins, nicastrin, APH-1, and PEN-2. 4 key findings →
Evidence: low
Full summary, score breakdown and related studies → Original source Full text may need a subscription
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 27,780 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 27,780 records, built mostly from automated pulls of Europe PMC (61.1% of the library) and OpenAlex (18.3%), 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 →