Evidence mapPaperPMID 34124684Full record

ArticleFunction (Oxford, England)2021

A Novel Stable Isotope Approach Demonstrates Surprising Degree of Age-Related Decline in Skeletal Muscle Collagen Proteostasis.

Claire B Abbott, Marcus M Lawrence, Kamil A Kobak, Erika Barboza Prado Lopes, Frederick F Peelor, Elizabeth J Donald, Holly Van Remmen, Timothy M Griffin, Benjamin F Miller

Erratum issued Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in Function (Oxford, England), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. It is linked to trial NCT07500727 (Skeletal Muscle Aging and Responsiveness in Aged People With MS), which is not on this map. Cited by 40 papers.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed
3.2field-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.

NCT07500727 narecruitingnot on this mapstarted 2026, after this paper: background citation

Skeletal Muscle Aging and Responsiveness in Aged People With MS

TypeinterventionalSponsorOklahoma Medical Research FoundationRan2026 to 2026Enrolled10ConditionsMultiple Sclerosis, AgingArmsExercise trial consisting of both cardiovascular and strength training
3 · Its place in the literature

Who cites it

40 citing papers in PubMed, 53 citations in OpenAlex.

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  14. Differential transcriptomic profiling of lipid metabolism and collagen remodeling in fast- and slow-twitch skeletal muscles in aging.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2025
    Article
  15. Review
  16. Mechanisms of Biological Aging with Special Reference to the Skeletal Muscle.Advances in experimental medicine and biology · 2025
    Review
  17. Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors at 1 institution in 1 country.

Claire B AbbottAging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA.
Marcus M LawrenceAging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA.ORCID 0000-0001-7106-574X
Kamil A KobakAging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA.
Erika Barboza Prado LopesAging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA.
Frederick F PeelorAging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA.
Elizabeth J DonaldAging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA.
Holly Van RemmenAging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA.
Timothy M GriffinAging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA.
Benjamin F MillerAging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA.ORCID 0000-0003-3283-0685
Oklahoma Medical Research Foundation · US

Funding

Research Development CoreP30AG050911 · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · 2025 to 2025
$1.3M
GEROSCIENCE TRAINING PROGRAM IN OKLAHOMAT32AG052363 · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · 2025 to 2025
$373k
BLRD VA I01 BX005592NIA NIH HHS P30 AG050911NIA NIH HHS R01 AG049058NIA NIH HHS R56 AG067754NIA NIH HHS T32 AG052363NIGMS NIH HHS P30 GM114731
6 · The paper itself

Abstract

Age-related deterioration in turnover of collagen proteins accelerates extracellular matrix fibrosis and hinders adaptation to external stimuli. This project sought to understand factors that increase skeletal muscle fibrosis with age by studying what we term the dynamic protein pool. We hypothesized that the dynamic protein pool size of muscle collagen decreases with age, thus indicating a decrease in proteostatic maintenance (ie, ability to maintain proteostasis), and that failure to account for these changes impacts the interpretation of tracer-measured synthesis rates. We used deuterium oxide (D

Indexed as

CollagenProteostasisAnimalsFibrosisIsotopesMiceMuscle, SkeletalCollagenIsotopesagingcollagenextracellular matrixfibrosisincomplete product renewalmusclestable isotope

Identifiers

PMID34124684
PMCPMC8187230
OpenAlexW3161350353

What Socratic holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

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 Socratic graph.