Evidence map›Paper›PMID 39734582›Full record

ReviewAlzheimer's & dementia (Amsterdam, Netherlands)

A systematic review and meta-analysis of basal microbiota and cognitive function in Alzheimer's disease: A potential target for treatment or a contributor to disease progression?

Ana Maria Jimenez-García, Maria Villarino, Natalia Arias

Abstract readReview
In one paragraph

Review in Alzheimer's & dementia (Amsterdam, Netherlands). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

21 citing papers in PubMed.

  1. Review
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  4. Alterations of gut microbiota in Down syndrome and their association with Alzheimer's disease.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026
    Article
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  8. Biomolecules · 2026
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Ana Maria Jimenez-GarcíaBRABE Group, Department of Psychology, Faculty of Life and Natural Sciences University of Nebrija Madrid Spain.ORCID https://orcid.org/0000-0001-6400-3436
Maria VillarinoBRABE Group, Department of Psychology, Faculty of Life and Natural Sciences University of Nebrija Madrid Spain.
Natalia AriasBRABE Group, Department of Psychology, Faculty of Life and Natural Sciences University of Nebrija Madrid Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A systematic review and meta-analysis examined the impact of gut microbiota in Alzheimer's disease (AD) pathogenesis. Dysbiosis may influence neurodegeneration by affecting gut permeability and neurotrophic factors, leading to cognitive decline. The study analyzed microbiome differences between patients with AD and healthy individuals, as well as the impact of various interventions in both preclinical and clinical studies. Of 60 studies reviewed, 12 were excluded from the meta-analysis due to unsuitable data or lack of control groups. Meta-analyses revealed significant cognitive impairment in AD patients and animal models, with specific tests identifying these deficits. Notably, Highlights: Dysbiosis in the gut microbiota is linked to cognitive decline in Alzheimer's disease (AD).Patients with AD show significant differences in

Indexed as

Alzheimer´s diseasecognitiondysbiosisgut microbiometherapy

Identifiers

PMID39734582
PMCPMC11672027

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.