Evidence map›Paper›PMID 23720423›Full record

ArticleEndocrinology2013

MicroRNAs in the aging female brain: a putative mechanism for age-specific estrogen effects.

Yathindar S Rao, Natasha N Mott, Yanru Wang, Wilson C J Chung, Toni R Pak

Open access · bronzeAbstract read
In one paragraph

Article in Endocrinology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed, 1 pooled it
2.6field-weighted citation impact, top 11% 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

39 citing papers in PubMed, 1 synthesis or guideline pooled it, 65 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. The Role of Estrogen in Brain MicroRNAs Regulation.Advanced pharmaceutical bulletin · 2024
    Review
  4. Review
  5. Article
  6. Age and 17β-Estradiol (ENon-coding RNA · 2023
    Article
  7. Review
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Review
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

Yathindar S RaoDepartment of Cell and Molecular Physiology, Loyola University Chicago, Stritch School of Medicine, Maywood, IL 60153, USA.
Natasha N Mott
Yanru Wang
Wilson C J Chung
Toni R Pak
Loyola University Chicago · USKent State University · US

Funding

Ligand-independent signaling of estrogen receptor beta and the aging brainR01AG033605 · NIA · LOYOLA UNIVERSITY CHICAGO · PI PAK, TONI R. · 2009 to 2021
$3.7M
Developing Neuroendocrine Brain, Androgen, and Fibroblast Growth Factor SignalingR00HD058044 · NICHD · KENT STATE UNIVERSITY · PI CHUNG, WILSON · 2011 to 2013
$670k
NIA NIH HHS R01 AG033605
6 · The paper itself

Abstract

Menopause is characterized by the rapid age-related decline of circulating 17β-estradiol (E(2)) levels in women, which can sometimes result in cognitive disorders such as impaired memory and increased anxiety. Hormone therapy (HT) is a widely used treatment for the adverse effects associated with menopause; however, evidence suggests that HT administered to postmenopausal women age 65 years and over can lead to increased risks for cognitive disorders. We hypothesized that these age-related changes in E(2) action are due to posttranscriptional gene regulation by microRNAs (miRNAs). miRNAs are a class of small noncoding RNAs that regulate gene expression by binding to the 3'-untranslated region of target mRNAs and subsequently target these transcripts for degradation. In the present study, 3- and 18-month-old female rats were oophorectomized (OVX) and treated 1 week after surgery with 2.5 μg E(2) once per day for 3 days. Total RNA was isolated from the ventral and dorsal hippocampus, central amygdala, and paraventricular nucleus. Our results showed that E(2) differentially altered miRNA levels in an age- and brain region-dependent manner. Multiple miRNA target prediction algorithms revealed putative target genes that are important for memory and stress regulation, such as BDNF, glucocorticoid receptor, and SIRT-1. Indeed, quantitative RT-PCR analyses of some of the predicted targets, such as SIRT1, showed that the mRNA expression levels were the inverse of the targeting miRNA, thereby confirming the prediction algorithms. Taken together, these data show that E(2) regulates miRNA expression in an age- and E(2)-dependent manner, which we hypothesize results in differential gene expression and consequently altered neuronal function.

Indexed as

AgingAmygdalaAnalysis of VarianceAnimalsBrainBrain-Derived Neurotrophic FactorEstradiolEstrogensFemaleGene ExpressionGene Expression ProfilingHippocampusHumansMicroRNAsOvariectomyParaventricular Hypothalamic NucleusBrain-Derived Neurotrophic FactorEstradiolEstrogensMicroRNAsReceptors, GlucocorticoidSirt1 protein, ratSirtuin 1

Identifiers

PMID23720423
PMCPMC3713211
OpenAlexW1970800077

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.