Evidence map›Paper›PMID 25285401›Full record

ReviewFrontiers in neuroendocrinology2015

Transsynaptic trophic effects of steroid hormones in an avian model of adult brain plasticity.

Eliot A Brenowitz

Open access · greenAbstract readReview
In one paragraph

Review in Frontiers in neuroendocrinology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 1 pooled it
2.8field-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

15 citing papers in PubMed, 1 synthesis or guideline pooled it, 23 citations in OpenAlex.

  1. Pooled it
  2. Frontiers in neural circuits · 2025
    Article
  3. Perinatal activation of ERJournal of neurophysiology · 2021
    Article
  4. Article
  5. Brain-Derived Neurotrophic Factor Has a Transsynaptic Trophic Effect on Neural Activity in an Adult Forebrain Circuit.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2020
    Article
  6. Review
  7. Article
  8. Article
  9. Dissociable Effects on Birdsong of Androgen Signaling in Cortex-Like Brain Regions of Canaries.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2017
    Article
  10. Article
  11. Article
  12. Article
  13. Review
  14. Activity Dependency and Aging in the Regulation of Adult Neurogenesis.Cold Spring Harbor perspectives in biology · 2015
    Review
  15. 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

1 author at 1 institution in 1 country.

Eliot A BrenowitzDepartments of Psychology and Biology, and the Virginia Merrill Bloedel Hearing Research Center, University of Washington, United States. Electronic address: eliotb@u.washington.edu.
LyondellBasell (United States) · US

Funding

COMPARATIVE STUDIES OF VOCAL CONTROLR01MH053032 · NIMH · UNIVERSITY OF WASHINGTON · PI BRENOWITZ, ELIOT A · 1995 to 2015
$5.3M
Hormones and Brain ProtectionR01NS075331 · NINDS · UNIVERSITY OF WASHINGTON · PI BRENOWITZ, ELIOT A · 2012 to 2016
$1.6M
NIMH NIH HHS NIH MH53032NIMH NIH HHS R01 MH053032NINDS NIH HHS NS075331NINDS NIH HHS R01 NS075331
6 · The paper itself

Abstract

The avian song control system provides an excellent model for studying transsynaptic trophic effects of steroid sex hormones. Seasonal changes in systemic testosterone (T) and its metabolites regulate plasticity of this system. Steroids interact with the neurotrophin brain-derived neurotrophic factor (BDNF) to influence cellular processes of plasticity in nucleus HVC of adult birds, including the addition of newborn neurons. This interaction may also occur transsynpatically; T increases the synthesis of BDNF in HVC, and BDNF protein is then released by HVC neurons on to postsynaptic cells in nucleus RA where it has trophic effects on activity and morphology. Androgen action on RA neurons increases their activity and this has a retrograde trophic effect on the addition of new neurons to HVC. The functional linkage of sex steroids to BDNF may be of adaptive value in regulating the trophic effects of the neurotrophin and coordinating circuit function in reproductively relevant contexts.

Indexed as

AnimalsBirdsBrainFemaleGonadal Steroid HormonesMaleNeuronal PlasticitySeasonsSongbirdsSteroidsSynapsesVocalization, AnimalGonadal Steroid HormonesSteroidsBDNFBirdEstrogenNeurogenesisNeurotrophinPlasticitySeasonSongbirdSteroidTestosterone

Identifiers

PMID25285401
PMCPMC4385747
OpenAlexW2076896864

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.