Evidence map›Paper›PMID 30964703›Full record

ArticleAmerican journal of physiology. Endocrinology and metabolism2019

Aging impairs mouse skeletal muscle macrophage polarization and muscle-specific abundance during recovery from disuse.

Paul T Reidy, Alec I McKenzie, Ziad S Mahmassani, Jonathan J Petrocelli, Daniel B Nelson, Catherine C Lindsay, James E Gardner, Vincent R Morrow, Alexandra C Keefe, Thomas B Huffaker and 4 more

Open access · greenAbstract read
In one paragraph

Article in American journal of physiology. Endocrinology and metabolism, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed
6.2field-weighted citation impact, top 3% 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

56 citing papers in PubMed, 73 citations in OpenAlex.

  1. Trial
  2. Neuromuscular electrical stimulation and protein during bed rest increases CD11bApplied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2020
    Trial
  3. Review
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  13. Molecular Framework of the Onset and Progression of Skeletal Muscle Aging.International journal of molecular sciences · 2025
    Review
  14. Review
  15. Article
  16. Macrophage immunometabolism: emerging targets for regrowth in aging muscle.American journal of physiology. Endocrinology and metabolism · 2025
    Review
  17. Article
  18. Article
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  20. Review
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

14 authors at 1 institution in 1 country.

Paul T ReidyDepartment of Physical Therapy and Athletic Training, University of Utah , Salt Lake City, Utah.
Alec I McKenzieDepartment of Physical Therapy and Athletic Training, University of Utah , Salt Lake City, Utah.
Ziad S MahmassaniDepartment of Physical Therapy and Athletic Training, University of Utah , Salt Lake City, Utah.
Jonathan J PetrocelliDepartment of Physical Therapy and Athletic Training, University of Utah , Salt Lake City, Utah.
Daniel B NelsonDepartment of Nutrition and Integrative Physiology, University of Utah , Salt Lake City, Utah.
Catherine C LindsaySchool of Medicine, University of Utah , Salt Lake City, Utah.
James E GardnerSchool of Medicine, University of Utah , Salt Lake City, Utah.
Vincent R MorrowDepartment of Physical Therapy and Athletic Training, University of Utah , Salt Lake City, Utah.
Alexandra C KeefeHuman Genetics, University of Utah , Salt Lake City, Utah.
Thomas B HuffakerDepartment of Pathology, University of Utah , Salt Lake City, Utah.
Greg J StoddardDivision of Epidemiology, University of Utah, School of Medicine , Salt Lake City, Utah.
Gabrielle KardonHuman Genetics, University of Utah , Salt Lake City, Utah.
Ryan M O'ConnellDepartment of Pathology, University of Utah , Salt Lake City, Utah.
Micah J DrummondDepartment of Physical Therapy and Athletic Training, University of Utah , Salt Lake City, Utah.ORCID 0000-0001-5961-8890
University of Utah · US

Funding

Novel molecular mechanisms of skeletal muscle insulin resistance in physically inactive older adultsR01AG050781 · NIA · UNIVERSITY OF UTAH · PI DRUMMOND, MICAH J · 2016 to 2020
$1.7M
Micro RNAs and chronic, low-grade inflammationR01AG047956 · NIA · UNIVERSITY OF UTAH · PI O'CONNELL, RYAN M · 2015 to 2019
$1.7M
Role of immune cells on the growth and recovery of aging muscleR21AG062923 · NIA · UNIVERSITY OF UTAH · PI DRUMMOND, MICAH J, O'CONNELL, RYAN M · 2019 to 2020
$477k
Macrophages to Enhance Recovery of Skeletal Muscle following Disuse Atrophy in AgingF32AR072481 · NIAMS · UNIVERSITY OF UTAH · PI REIDY, PAUL TIMOTHY · 2017 to 2018
$115k
Metformin to prevent inactivity-induced loss of muscle health during agingF31AG059438 · NIA · UNIVERSITY OF UTAH · PI MCKENZIE, ALEC IAIN · 2018 to 2020
$76k
NIAMS NIH HHS F32 AR072481NIA NIH HHS F31 AG059438NIA NIH HHS R01 AG047956NIA NIH HHS R01 AG050781NIA NIH HHS R21 AG062923
6 · The paper itself

Abstract

Impaired recovery of aged muscle following a disuse event is an unresolved issue facing the older adult population. Although investigations in young animals have suggested that rapid regrowth of skeletal muscle following a disuse event entails a coordinated involvement of skeletal muscle macrophages, this phenomenon has not yet been thoroughly tested as an explanation for impaired muscle recovery in aging. To examine this hypothesis, young (4-5 mo) and old (24-26 mo) male mice were examined as controls following 2 wk of hindlimb unloading (HU) and following 4 (RL4) and 7 (RL7) days of reloading after HU. Muscles were harvested to assess muscle weight, myofiber-specifc cross-sectional area, and skeletal muscle macrophages via immunofluorescence. Flow cytometry was used on gastrocnemius and soleus muscle (at RL4) single-cell suspensions to immunophenotype skeletal muscle macrophages. Our data demonstrated impaired muscle regrowth in aged compared with young mice following disuse, which was characterized by divergent muscle macrophage polarization patterns and muscle-specifc macrophage abundance. During reloading, young mice exhibited the classical increase in M1-like (MHC II

Indexed as

AgingAnimalsCell PolarityHindlimb SuspensionMacrophage ActivationMacrophagesMaleMiceMice, Inbred C57BLMuscle, SkeletalMuscular AtrophyPhysical Conditioning, Animalhindlimb suspensionimmuneregrowthsupporting cells

Identifiers

PMID30964703
PMCPMC6689737
OpenAlexW2939723303

What OpenQuestion holds

Textmetadata
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.