Cited by 585Muscle Physiology and DisordersNutrition and Health in AgingSpaceflight effects on biology

Rapid disuse and denervation atrophy involve transcriptional changes similar to those of muscle wasting during systemic diseases

Sacheck, Jennifer M., Hyatt, Jon‐Philippe K., Raffaello, Anna, Thomas Jagoe, R., Roy, Roland R., Reggie Edgerton, V., Lecker, Stewart H., Goldberg, Alfred L.·2007·The FASEB Journal

Abstract

We previously identified a common set of genes, termed atrogenes, whose expression is coordinately induced or suppressed in muscle during systemic wasting states (fasting, cancer cachexia, renal failure, diabetes). To determine whether this transcriptional program also functions during atrophy resulting from loss of contractile activity and whether atrogene expression correlates with the rate of muscle weight loss, we used cDNA microarrays and RT‐polymerase chain reaction to analyze changes in mRNA from rat gastrocnemius during disuse atrophy induced by denervation or spinal cord isolation. Three days after Den or SI, the rate of muscle weight loss was greatest, and 78% of the atrogenes identified during systemic catabolic states were induced or repressed. Of particular interest were the large inductions of key ubiquitin ligases, atrogin‐1 (35‐to 44‐fold) and MuRF1 (12‐to 22‐fold), and the suppression of PGC‐1α and PGC‐1ᵦ coactivators (15‐fold). When atrophy slowed (day 14), the expression of 92% of these atrogenes returned toward basal levels. At 28 days, the atrophy‐inducing transcription factor, FoxO1, was still induced and may be important in maintaining the “atrophied” state. Thus, 1) the atrophy associated with systemic catabolic states and following disuse involves similar transcriptional adaptations; and 2) disuse atrophy proceeds through multiple phases corresponding to rapidly atrophying and atrophied muscles that involve distinct transcriptional patterns. Sacheck, J. M., Hyatt, J‐P. K., Raffaello, A., Jagoe, R. T., Roy, R. R., Edgerton, V. R., Lecker, S. H., Goldberg, A. L. Rapid disuse and denervation atrophy involve transcriptional changes similar to those of muscle wasting during systemic diseases. FASEB J. 21, 140–155 (2007)

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Authors
Sacheck, J. M., Hyatt, J. K., Raffaello, A., Thomas Jagoe, R., Roy, R. R., Reggie Edgerton, V., Lecker, S. H., & Goldberg, A. L.
Affiliations
  • Harvard University (US)
  • Georgetown University (US)
  • Pulmonary and Rehabilitation Research Group, Department of Medicine University Hospital Aintree Liverpool UK
  • University of California, Los Angeles (US)
  • Department of Physiological Sciences and Brain Research Institute University of California Los Angeles California USA
  • Beth Israel Deaconess Medical Center (US)
Venue
The FASEB Journal
Publisher
Wiley
Published
2006-11-20
Volume
21
Issue
1
Pages
140-155
ISSN
  • 0892-6638 (ISSN-L)
  • 1530-6860
OpenAlex
W2014899456
Cited by
585
References
80
Citations by year
2026: 10 · 2025: 13 · 2024: 13 · 2023: 21 · 2022: 22 · 2021: 25 · 2020: 33 · 2019: 31 · 2018: 30 · 2017: 28 · 2016: 30 · 2015: 36 · 2014: 43 · 2013: 40 · 2012: 50
FWCI
9.64
Type
journal article
Language
en
Open access
closed
Locations
  • The FASEB Journal (publishedVersion)
  • PubMed (publishedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion)
Funders
  • National Institutes of Health (NS16333, DK6230701)
  • Muscular Dystrophy Association
  • National Space Biomedical Research Institute
  • Lawrence Ellison Foundation
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
  • Health Sciences › Medicine › Physiology › Spaceflight effects on biology
Keywords
muscle atrophy, disuse atrophy, denervation, atrogenes, ubiquitin ligase, atrogin-1, MuRF1, PGC-1α, PGC-1β, FOXO1, gastrocnemius, transcriptional regulation
MeSH terms
Animals, Cachexia, Denervation, Female, Humans, Transcription, Genetic, Blotting, Northern, Rats, Sprague-Dawley, Muscle, Skeletal, Reverse Transcriptase Polymerase Chain Reaction, Oligonucleotide Array Sequence Analysis, Gene Expression Profiling, Rats

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