Evidence map›Paper›PMID 41068575›Full record

ArticleBMC genomics2025

Transcriptomic analysis demonstrates moderators of muscle quality are altered in age-related sarcopenic obesity.

Eleanor R Schrems, Ana Regina Cabrera, Ronald G Jones, Francielly Morena, Kevin A Murach, Nicholas P Greene, Tyrone A Washington

Abstract read
In one paragraph

Article in BMC genomics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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

1 citing paper in PubMed.

  1. 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

7 authors.

Eleanor R SchremsExercise Muscle Biology Laboratory, Exercise Science Research Center, Department of Health, Human Performance and Recreation, University of Arkansas, 155 Stadium Dr. HPER 308W, Fayetteville, AR, 72701, USA.
Ana Regina CabreraCachexia Research Laboratory, Exercise Science Research Center, Department of Health, Human Performance and Recreation, University of Arkansas, Fayetteville, AR, 72701, USA.
Ronald G JonesMolecular Muscle Mass Regulation Laboratory, Exercise Science Research Center, Department of Health, Human Performance and Recreation, University of Arkansas, Fayetteville, AR, 72701, USA.
Francielly MorenaCachexia Research Laboratory, Exercise Science Research Center, Department of Health, Human Performance and Recreation, University of Arkansas, Fayetteville, AR, 72701, USA.
Kevin A MurachMolecular Muscle Mass Regulation Laboratory, Exercise Science Research Center, Department of Health, Human Performance and Recreation, University of Arkansas, Fayetteville, AR, 72701, USA.
Nicholas P GreeneCachexia Research Laboratory, Exercise Science Research Center, Department of Health, Human Performance and Recreation, University of Arkansas, Fayetteville, AR, 72701, USA.
Tyrone A WashingtonExercise Muscle Biology Laboratory, Exercise Science Research Center, Department of Health, Human Performance and Recreation, University of Arkansas, 155 Stadium Dr. HPER 308W, Fayetteville, AR, 72701, USA. tawashin@uark.edu.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSarcopenic obesity (SO) is the combined condition of sarcopenia and obesity, which commonly occurs in the older adult population. SO is associated with poor physical function, increased risk of musculoskeletal injury, and reduced quality of life and independence. Information on the molecular underpinnings of this condition is limited. The aim of this study was to provide a transcriptomic analysis characterizing SO induced by lifelong obesity and to provide a deeper understanding of the etiology of the condition.

resultsYoung (Y) (6 mo) and aged (A) (21-24 mo) mice were fed either normal chow (L) (12% kcal from fat) or high-fat (O) (60% kcal from fat) diets ad libitum. Through multiple analyses, we observed that genes related to ECM remodeling were downregulated in AO compared with YO, providing insight into the effects of age in a life-long obese condition. Furthermore, we observed that genes related to contraction in slow-twitch muscle fibers and fast-to-slow muscle fiber type transitions were upregulated with obesity in the aged condition.

conclusionTaken together, our findings reveal specific pathways of dysregulation in SO skeletal muscle, offering molecular insights that enhance our understanding of the underlying mechanisms contributing to impaired muscle function in this condition. Further exploration of these dysregulations is critical to identifying therapeutic treatments targeting the source of muscle functional impairment in SO.

Indexed as

AgingGene Expression ProfilingMuscle, SkeletalObesitySarcopeniaTranscriptomeAnimalsDiet, High-FatMaleMiceMice, Inbred C57BLExtracellular matrixFibrosisMuscle contractionSarcopenic obesitySlow-twitch fiber type transition

Identifiers

PMID41068575
PMCPMC12513022

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.