Evidence map›Paper›PMID 23277110›Full record

SynthesisNeuroImage2013

Age-related differences in iron content of subcortical nuclei observed in vivo: a meta-analysis.

Ana Daugherty, Naftali Raz

Abstract readComparative StudyMeta-Analysis
In one paragraph

Synthesis in NeuroImage, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed, 2 pooled it
3.4field-weighted citation impact, top 7% 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

52 citing papers in PubMed, 2 syntheses or guidelines pooled it, 96 citations in OpenAlex.

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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

2 authors at 1 institution in 1 country.

Ana DaughertyInstitute of Gerontology and Department of Psychology, Wayne State University, Detroit, MI 48202, USA.
Naftali Raz
Wayne State University · US

Funding

Neural Correlates and Modifiers of Cognitive AgingR37AG011230 · NIA · WAYNE STATE UNIVERSITY · PI RAZ, NAFTALI · 2005 to 2014
$5.2M
NEURAL CORRELATES OF AGE-RELATED DIFFERENCES IN MEMORYR01AG011230 · NIA · WAYNE STATE UNIVERSITY · PI DAUGHERTY, ANA MARIE, RAZ, NAFTALI · 1993 to 2020
$4.8M
IOG-Post Doctoral Training in Aging and Urban HealthT32HS013819 · AHRQ · WAYNE STATE UNIVERSITY · PI LICHTENBERG, PETER A. · 2003 to 2008
$464k
AHRQ HHS T32 HS-013819AHRQ HHS T32 HS013819NIA NIH HHS R01 AG011230NIA NIH HHS R37 AG-011230NIA NIH HHS R37 AG011230
6 · The paper itself

Abstract

Accumulation of non-heme iron in the brain has been proposed as a biomarker of the progressive neuroanatomical and cognitive declines in healthy adult aging. Postmortem studies indicate that iron content and lifespan differences therein are regionally specific, with a predilection for the basal ganglia. However, the reported in vivo estimates of adult age differences in iron content within subcortical nuclei are highly variable. We present a meta-analysis of 20 in vivo magnetic resonance imaging (MRI) studies that estimated iron content in the caudate nucleus, globus pallidus, putamen, red nucleus, and substantia nigra. The results of the analyses support a robust association between advanced age and high iron content in the substantia nigra and striatum, with a smaller effect noted in the globus pallidus. The magnitude of age differences in estimated iron content of the caudate nucleus and putamen partially depended on the method of estimation, but not on the type of design (continuous age vs. extreme age groups).

Indexed as

Brain ChemistryMagnetic Resonance ImagingAge FactorsBasal GangliaCaudate NucleusCorpus StriatumGlobus PallidusHumansIronPutamenRed NucleusSubstantia NigraIron

Identifiers

PMID23277110
PMCPMC3580001
OpenAlexW2089527131

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.