Evidence map›Paper›PMID 21803451›Full record

ArticleNeurobiology of aging2012

Allopregnanolone restores hippocampal-dependent learning and memory and neural progenitor survival in aging 3xTgAD and nonTg mice.

Chanpreet Singh, Lifei Liu, Jun Ming Wang, Ronald W Irwin, Jia Yao, Shuhua Chen, Sherry Henry, Richard F Thompson, Roberta Diaz Brinton

Open access · greenAbstract read
In one paragraph

Article in Neurobiology of aging, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 67 papers.

0numbers the graph read from it
0cells of the map it votes in
67citing papers in PubMed
6.8field-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

67 citing papers in PubMed, 124 citations in OpenAlex.

  1. Trial
  2. Trial
  3. Open-Label Allopregnanolone Treatment of Men with Fragile X-Associated Tremor/Ataxia Syndrome.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2017
    Trial
  4. Trial
  5. Article
  6. Modulation of adult hippocampal neurogenesis by interleukin 1 signaling.Neurobiology of sleep and circadian rhythms · 2025
    Article
  7. Review
  8. Review
  9. Article
  10. Article
  11. Article
  12. Golexanolone, a GABACNS neuroscience & therapeutics · 2022
    Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Review
  18. Glutamate and GABA in Microglia-Neuron Cross-Talk in Alzheimer's Disease.International journal of molecular sciences · 2021
    Review
  19. Article
  20. Article

7 more citing papers are in PubMed but not listed here.

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 at 3 institutions in 1 country.

Chanpreet SinghNeuroscience Program, University of Southern California, Los Angeles, CA 90089-9121, USA.
Lifei Liu
Jun Ming Wang
Ronald W Irwin
Jia Yao
Shuhua Chen
Sherry Henry
Richard F Thompson
Roberta Diaz Brinton
University of Southern California · USJackson Memorial Hospital · USUniversity of Mississippi Medical Center · US

Funding

Allopregnanolone a Regenerative Therapy for Alzheimer's: FDA-Required ToxicologyU01AG047222 · NIA · UNIVERSITY OF SOUTHERN CALIFORNIA · PI BRINTON, ROBERTA EILEEN · 2014 to 2018
$2.9M
Development of Allopregnanolone as a Neurogenic Regenerative TherapeuticU01AG031115 · NIA · UNIVERSITY OF SOUTHERN CALIFORNIA · PI BRINTON, ROBERTA EILEEN · 2008 to 2012
$2.4M
NIA NIH HHS U01 AG031115NIA NIH HHS U01AG031115NIA NIH HHS U01 AG047222
6 · The paper itself

Abstract

We previously demonstrated that allopregnanolone (APα) increased proliferation of neural progenitor cells and reversed neurogenic and cognitive deficits prior to Alzheimer's disease (AD) pathology (Wang, J.M., Johnston, P.B., Ball, B.G., Brinton, R.D., 2005. The neurosteroid allopregnanolone promotes proliferation of rodent and human neural progenitor cells and regulates cell-cycle gene and protein expression. J. Neurosci. 25, 4706-4718; Wang, J.M., Singh, C., Liu, L., Irwin, R.W., Chen, S., Chung, E.J., Thompson, R.F., Brinton, R.D., 2010. Allopregnanolone reverses neurogenic and cognitive deficits in mouse model of Alzheimer's disease. Proc. Natl. Acad. Sci. U. S. A. 107, 6498-6503). Herein, we determined efficacy of APα to restore neural progenitor cell survival and associative learning and memory subsequent to AD pathology in male 3xTgAD mice and their nontransgenic (nonTg) counterparts. APα significantly increased survival of bromodeoxyuridine positive (BrdU+) cells and hippocampal-dependent associative learning and memory in 3xTgAD mice in the presence of intraneuronal amyloid beta (Aβ) whereas APα was ineffective subsequent to development of extraneuronal Aβ plaques. Restoration of hippocampal-dependent associative learning was maximal by the first day and sustained throughout behavioral training. Learning and memory function in APα-treated 3xTgAD mice was 100% greater than vehicle-treated and comparable to maximal normal nonTg performance. In aged 15-month-old nonTg mice, APα significantly increased survival of bromodeoxyuridine-positive cells and hippocampal-dependent associative learning and memory. Results provide preclinical evidence that APα promoted survival of newly generated cells and restored cognitive performance in the preplaque phase of AD pathology and in late-stage normal aging.

Indexed as

AgingAlzheimer DiseaseAnimalsCell SurvivalHippocampusLearningMemoryMiceMice, KnockoutNeuronsPregnanoloneRecovery of FunctionStem CellsTreatment OutcomePregnanolone

Identifiers

PMID21803451
PMCPMC3232295
OpenAlexW2130186201

What OpenQuestion holds

Textmetadata
LicenceTDM
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.