Evidence map›Paper›PMID 39116421›Full record

ReviewAmerican journal of Alzheimer's disease and other dementias

A Review of the Role of Estrogens in Olfaction, Sleep and Glymphatic Functionality in Relation to Sex Disparity in Alzheimer's Disease.

Anupa Ekanayake, Senal Peiris, Biyar Ahmed, Sangam Kanekar, Cooper Grove, Deepak Kalra, Paul Eslinger, Qing Yang, Prasanna Karunanayaka

Abstract readReview
In one paragraph

Review in American journal of Alzheimer's disease and other dementias. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed, 1 pooled it
–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

9 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Review
  9. Review
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

9 authors.

Anupa EkanayakeDepartment of Radiology, Penn State University College of Medicine, Hershey, PA, USA.
Senal PeirisDepartment of Radiology, Penn State University College of Medicine, Hershey, PA, USA.
Biyar AhmedDepartment of Radiology, Penn State University College of Medicine, Hershey, PA, USA.
Sangam KanekarDepartment of Radiology, Penn State University College of Medicine, Hershey, PA, USA.
Cooper GroveDepartment of Radiology, Penn State University College of Medicine, Hershey, PA, USA.
Deepak KalraDepartment of Neurology, Penn State University College of Medicine, Hershey, PA, USA.
Paul EslingerDepartment of Radiology, Penn State University College of Medicine, Hershey, PA, USA.
Qing YangDepartment of Radiology, Penn State University College of Medicine, Hershey, PA, USA.
Prasanna KarunanayakaDepartment of Radiology, Penn State University College of Medicine, Hershey, PA, USA.ORCID 0000-0002-1558-8981

Funding

Linking olfactory deficits to memory impairment and AD neurodegenerationR01AG070088 · NIA · PENNSYLVANIA STATE UNIV HERSHEY MED CTR · PI KARUNANAYAKA, PRASANNA RASIKA, YANG, QING X · 2021 to 2025
$3.9M
Asymmetric neurodegeneration of central olfactory system in early-stage Parkinsons diseaseR01NS099630 · NINDS · PENNSYLVANIA STATE UNIV HERSHEY MED CTR · PI WANG, JIANLI · 2017 to 2021
$2.4M
HFE SNP Effect on Alzheimer's Regional Brain SusceptibilityR21AG064486 · NIA · PENNSYLVANIA STATE UNIV HERSHEY MED CTR · PI CONNOR, JAMES ROBERT, YANG, QING X · 2020 to 2021
$440k
NIA NIH HHS R01 AG070088NIA NIH HHS R21 AG064486NINDS NIH HHS R01 NS099630
6 · The paper itself

Abstract

Several risk factors contribute to the development of Alzheimer's disease (AD), including genetics, metabolic health, cardiovascular history, and diet. It has been observed that women appear to face a higher risk of developing AD. Among the various hypotheses surrounding the gender disparity in AD, one pertains to the potential neuroprotective properties of estrogen. Compared to men, women are believed to be more susceptible to neuropathology due to the significant decline in circulating estrogen levels following menopause. Studies have shown, however, that estrogen replacement therapies in post-menopausal women do not consistently reduce the risk of AD. While menopause and estrogen levels are potential factors in the elevated incidence rates of AD among women, this review highlights the possible roles estrogen has in other pathways that may also contribute to the sex disparity observed in AD such as olfaction, sleep, and glymphatic functionality.

Indexed as

Alzheimer DiseaseEstrogensGlymphatic SystemSleepSmellFemaleHumansMaleSex FactorsEstrogensalzheimer’s diseaseestrogenglymphatic systemmenopauseolfactory systemsex disparitysleep

Identifiers

PMID39116421
PMCPMC11311174

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.