Evidence map›Paper›PMID 34056921›Full record

ReviewAmerican journal of physiology. Endocrinology and metabolism2021

Exercise and estrogen: common pathways in Alzheimer's disease pathology.

Ahmed Bagit, Grant C Hayward, Rebecca E K MacPherson

Open access · greenAbstract readReview
In one paragraph

Review in American journal of physiology. Endocrinology and metabolism, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 1 pooled it
6.0field-weighted citation impact, top 3% of its field
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

31 citing papers in PubMed, 1 synthesis or guideline pooled it, 50 citations in OpenAlex.

  1. Perimenopausal Physical Activity and Dementia Risk: A Systematic Review.International journal of sports medicine · 2024
    Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Review
  7. Review
  8. Review
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  10. Review
  11. Review
  12. Sex modifies the association between cardiorespiratory fitness and insulin resistance in adults at risk for Alzheimer's disease.Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2025
    Observational
  13. Review
  14. Article
  15. Review
  16. Article
  17. Crosstalk between bone and brain in Alzheimer's disease: Mechanisms, applications, and perspectives.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2024
    Review
  18. Article
  19. Article
  20. Article
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 at 2 institutions in 1 country.

Ahmed BagitDepartment of Health Sciences, Brock University, St. Catharines, Ontario, Canada.
Grant C HaywardFaculty of Medicine, Ottawa University, Ottawa, Ontario, Canada.
Rebecca E K MacPhersonDepartment of Health Sciences, Brock University, St. Catharines, Ontario, Canada.
Brock University · CAUniversity of Ottawa · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Alzheimer's disease (AD) is a neurodegenerative disease that is characterized by progressive declines in cognitive function. Current epidemiological data indicate significant sex-linked disparities, where females have a higher risk of developing AD compared with male counterparts. This disparity necessitates further investigations to uncover the pathological and molecular factors influencing these sex differences. Although the underlying pathways behind this observed disparity remain elusive, recent research points to menopausal estrogen loss as a potential factor. Estrogen holds a significant role in amyloid precursor protein (APP) processing and overall neuronal health through the regulation of brain-derived neurotrophic factor (BDNF), a factor that is also reduced in postmenopausal women. BDNF is a known contributor to neuronal health and its reduced expression is typically linked to AD disorders. Exercise is known to increase BDNF and may provide an accessible activity for postmenopausal women to reduce their risk of AD. This review aims to discuss the relationship between estrogen, exercise, and BDNF in AD pathology.

Indexed as

Alzheimer DiseaseAmyloid beta-Protein PrecursorBrain-Derived Neurotrophic FactorEstrogensExerciseFemaleHumansMaleMenopauseNeuronsRisk FactorsSex FactorsAmyloid beta-Protein PrecursorBDNF protein, humanBrain-Derived Neurotrophic FactorEstrogensamyloid precursor proteinBDNFestrogenneurodegenerationsex

Identifiers

PMID34056921
PMCPMC8321825
OpenAlexW3165616893

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.