Evidence map›Paper›PMID 36820956›Full record

ArticleGeroScience2023

Sex differences in skeletal muscle-aging trajectory: same processes, but with a different ranking.

Jelle C B C de Jong, Brecht J Attema, Marjanne D van der Hoek, Lars Verschuren, Martien P M Caspers, Robert Kleemann, Feike R van der Leij, Anita M van den Hoek, Arie G Nieuwenhuizen, Jaap Keijer

Abstract read
In one paragraph

Article in GeroScience, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
46citing papers in PubMed, 1 pooled it
–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

46 citing papers in PubMed, 1 synthesis or guideline pooled it.

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  17. Characteristics and predictors of major occupational injuries in Korean farmers.Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention · 2026
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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

10 authors.

Jelle C B C de JongHuman and Animal Physiology, Wageningen University, 6700AH, Wageningen, The Netherlands.
Brecht J AttemaHuman and Animal Physiology, Wageningen University, 6700AH, Wageningen, The Netherlands.
Marjanne D van der HoekHuman and Animal Physiology, Wageningen University, 6700AH, Wageningen, The Netherlands.
Lars VerschurenDepartment of Microbiology and Systems Biology, The Netherlands Organization for Applied Scientific Research (TNO), Zeist, The Netherlands.
Martien P M CaspersDepartment of Microbiology and Systems Biology, The Netherlands Organization for Applied Scientific Research (TNO), Zeist, The Netherlands.
Robert KleemannDepartment of Metabolic Health Research, The Netherlands Organization for Applied Scientific Research (TNO), Leiden, The Netherlands.
Feike R van der LeijApplied Research Centre Food and Dairy, Van Hall Larenstein University of Applied Sciences, Leeuwarden, The Netherlands.
Anita M van den HoekDepartment of Metabolic Health Research, The Netherlands Organization for Applied Scientific Research (TNO), Leiden, The Netherlands.
Arie G NieuwenhuizenHuman and Animal Physiology, Wageningen University, 6700AH, Wageningen, The Netherlands.
Jaap KeijerHuman and Animal Physiology, Wageningen University, 6700AH, Wageningen, The Netherlands. Jaap.keijer@wur.nl.ORCID 0000-0002-9720-7491

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Sex differences in muscle aging are poorly understood, but could be crucial for the optimization of sarcopenia-related interventions. To gain insight into potential sex differences in muscle aging, we recruited young (23 ± 2 years, 13 males and 13 females) and old (80 ± 3.5 years, 28 males and 26 females) participants. Males and females in both groups were highly matched, and vastus lateralis muscle parameters of old versus young participants were compared for each sex separately, focusing on gene expression. The overall gene expression profiles separated the sexes, but similar gene expression patterns separated old from young participants in males and females. Genes were indeed regulated in the same direction in both sexes during aging; however, the magnitude of differential expression was sex specific. In males, oxidative phosphorylation was the top-ranked differentially expressed process, and in females, this was cell growth mediated by AKT signaling. Findings from RNA-seq data were studied in greater detail using alternative approaches. In addition, we confirmed our data using publicly available data from three independent human studies. In conclusion, top-ranked pathways differ between males and females, but were present and altered in the same direction in both sexes. We conclude that the same processes are associated with skeletal muscle aging in males and females, but the differential expression of those processes in old vs. young participants is sex specific.

Indexed as

SarcopeniaSex CharacteristicsAgingFemaleHumansMaleMuscle, SkeletalSignal TransductionAKT signalingFrailtyGenderMitochondriaMyofiber typeOxidative phosphorylation

Identifiers

PMID36820956
PMCPMC10651666

What OpenQuestion holds

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LicenceCC BY
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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.