Evidence map›Paper›PMID 40494894›Full record

ArticleCommunications medicine2025

Protection against APOE4-associated phenotypes with the longevity-promoting intervention 17α-estradiol in middle-aged male mice.

Cassandra J McGill, Amy Christensen, Wenjie Qian, Max A Thorwald, Jose Godoy Lugo, Sara Namvari, Olivia S White, Caleb E Finch, Bérénice A Benayoun, Christian J Pike

Abstract read
In one paragraph

Article in Communications medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

4 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors.

Cassandra J McGillLeonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA.
Amy ChristensenLeonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA.
Wenjie QianLeonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA.
Max A ThorwaldLeonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA.ORCID http://orcid.org/0000-0003-0095-5344
Jose Godoy LugoLeonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA.
Sara NamvariLeonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA.
Olivia S WhiteLeonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA.
Caleb E FinchLeonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA.ORCID http://orcid.org/0000-0002-7617-3958
Bérénice A BenayounLeonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA. bbenayou@usc.edu.ORCID http://orcid.org/0000-0002-7401-4777
Christian J PikeLeonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA. cjpike@usc.edu.ORCID http://orcid.org/0000-0003-4577-7668

Funding

USC Geroscience Training in the Biology of AgingT32AG052374 · NIA · UNIVERSITY OF SOUTHERN CALIFORNIA · PI Sean P CURRAN · 2016 to 2026
$5.3M
17 alpha-estradiol as a potential protective therapeutic against development of Alzheimer's diseaseF31AG084279 · NIA · UNIVERSITY OF SOUTHERN CALIFORNIA · PI MCGILL, CASSANDRA JOAN · 2023 to 2024
$97k
NIA NIH HHS F31 AG084279NIA NIH HHS T32 AG052374
6 · The paper itself

Abstract

backgroundThe apolipoprotein ε4 allele (APOE4) is associated with decreased longevity and increased vulnerability to age-related declines and disorders across multiple systems. Interventions that promote healthspan and lifespan represent a promising strategy to attenuate the development of APOE4-associated aging phenotypes. Here, we studied the ability of the longevity-promoting intervention 17α-estradiol (17αE2) to protect against impairments in APOE4 versus the predominant APOE3 genotype using early middle-aged mice with knock-in of human APOE alleles.

methodsBeginning at age 10 months, male APOE3 or APOE4 mice were treated for 20 weeks with 17αE2 or vehicle then compared body-wide for indices of middle-aged phenotypes.

resultsAcross peripheral and neural measures, APOE4 associates with poorer outcomes. Notably, 17αE2 treatment generally improves outcomes in a genotype-dependent manner, favoring APOE4 mice, including reductions in body weight, plasma leptin, hepatic steatosis, learning and memory, and oxidative damage in the brain. Plasma lipidomics and microglial transcriptomics show reductions in genotype-specific differences with 17αE2 treatment.

conclusionsThese findings demonstrate that APOE4 promotes systemic and neural aging phenotypes linked to AD and that 17αE2-mediated healthspan actions show a positive APOE4 bias. Collectively, the findings suggest that longevity-promoting interventions may be useful in mitigating deleterious age-related risks associated with the APOE4 genotype.

Identifiers

PMID40494894
PMCPMC12152157

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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.