Evidence map›Paper›PMID 33972174›Full record

ReviewSeminars in cell & developmental biology2021

Skeletal muscle fibers count on nuclear numbers for growth.

Vikram Prasad, Douglas P Millay

Abstract readReview
In one paragraph

Review in Seminars in cell & developmental biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing 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

18 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Review
  6. Review
  7. Article
  8. Review
  9. Molecular regulation of myocyte fusion.Current topics in developmental biology · 2024
    Review
  10. Article
  11. Review
  12. Review
  13. Phosphatidylserine orchestrates Myomerger membrane insertions to drive myoblast fusion.Proceedings of the National Academy of Sciences of the United States of America · 2022
    Article
  14. Article
  15. Article
  16. Article
  17. Fusion and beyond: Satellite cell contributions to loading-induced skeletal muscle adaptation.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2021
    Review
  18. 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

2 authors.

Vikram PrasadDivision of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA.
Douglas P MillayDivision of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA. Electronic address: douglas.millay@cchmc.org.

Funding

Deciphering mechanisms of myoblast fusionR01AR068286 · NIAMS · CINCINNATI CHILDRENS HOSP MED CTR · PI MILLAY, DOUGLAS PAUL · 2015 to 2024
$4.2M
Role of skeletal muscle stem cell fusion and fibrosis during agingR01AG059605 · NIA · CINCINNATI CHILDRENS HOSP MED CTR · PI MILLAY, DOUGLAS PAUL · 2018 to 2022
$1.7M
Improving delivery of therapeutic material to skeletal muscleR61AR076771 · NIAMS · CINCINNATI CHILDRENS HOSP MED CTR · PI MILLAY, DOUGLAS PAUL · 2019 to 2020
$795k
NIAMS NIH HHS R01 AR068286NIAMS NIH HHS R61 AR076771NIA NIH HHS R01 AG059605
6 · The paper itself

Abstract

Skeletal muscle cells are noteworthy for their syncytial nature, with each myofiber accumulating hundreds or thousands of nuclei derived from resident muscle stem cells (MuSCs). These nuclei are accrued through cell fusion, which is controlled by the two essential fusogens Myomaker and Myomerger that are transiently expressed within the myogenic lineage. While the absolute requirement of fusion for muscle development has been known for decades, the underlying need for the magnitude of multinucleation in muscle remains mysterious. Possible advantages of multinucleation include the potential it affords for transcriptional diversity within these massive cells, and as a means of increasing DNA content to support optimal cell size and function. In this article, we review recent advances that elucidate the relationship between myonuclear numbers and establishment of myofiber size, and discuss how this new information refines our understanding of the concept of myonuclear domains (MND), the cytoplasmic volumes that each resident myonucleus can support. Finally, we explore the potential consequences and costs of multinucleation and its impacts on myonuclear transcriptional reserve capacity, growth potential, myofiber size regulation, and muscle adaptability. We anticipate this report will not only serve to highlight the latest advances in the basic biology of syncytial muscle cells but also provide information to help design the next generation of therapeutic strategies to maintain muscle mass and function.

Indexed as

Cell NucleusHumansMuscle DevelopmentMuscle Fibers, SkeletalCell fusionMultinucleationMyonuclear domainSkeletal muscle sizeTranscriptional output

Identifiers

PMID33972174
PMCPMC9070318

What Socratic holds

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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 Socratic graph.