ArticleFrontiers in physiology2020
Cancer Cachexia Induces Preferential Skeletal Muscle Myosin Loss When Combined With Denervation.
Article in Frontiers in physiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 22 citations in OpenAlex.
- Understanding cachexia and muscle dysfunction in the context of metastatic breast cancer.Cancer metastasis reviews · 2026Review
- C26 and CT26 colorectal cancer models exhibit divergent cachexia phenotypes, intramuscular inflammation, and protein turnover signaling.bioRxiv : the preprint server for biology · 2026Article
- GL261 glioblastoma induces delayed body weight gain and stunted skeletal muscle growth in young mice.American journal of physiology. Regulatory, integrative and comparative physiology · 2025Article
- Molecular Mechanisms of Cachexia: A Review.Cells · 2024Review
- Progressive development of melanoma-induced cachexia differentially impacts organ systems in mice.Cell reports · 2023Article
- Review
- REDD1 deletion attenuates cancer cachexia in mice.Journal of applied physiology (Bethesda, Md. : 1985) · 2021Article
- Article
- Activated mast cells in skeletal muscle can be a potential mediator for cancer-associated cachexia.Journal of cachexia, sarcopenia and muscle · 2021Article
- A Pound of Flesh: What Cachexia Is and What It Is Not.Diagnostics (Basel, Switzerland) · 2021Review
- The Effect of Mechanical Stretch on Myotube Growth Suppression by Colon-26 Tumor-Derived Factors.Frontiers in cell and developmental biology · 2021Article
- Leucine Supplementation DecreasesCells · 2020Article
- Prolonged Immobilization Exacerbates the Loss of Muscle Mass and Function Induced by Cancer-Associated Cachexia through Enhanced Proteolysis in Mice.International journal of molecular sciences · 2020Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Patients with cancer cachexia (CCX) suffer from muscle wasting, which is often but not always accompanied by selective loss of myosin. Here we examined the effects of CCX on muscle mass and myosin heavy chain (MyHC) expression in denervated (DEN) muscles, especially focusing on the protein synthesis and degradation pathways. Male CD2F1 mice were randomly divided into control (CNT) and CCX groups and their left sciatic nerve was transected. CCX was induced by an intraperitoneal injection of colon 26 cells. After 14 days, the serum concentration of IL-6 and corticosteroid was higher in CCX mice than in CNT mice. The combination of CCX with DEN (CCX + DEN) resulted in a marked reduction of the gastrocnemius muscle weight (-69%) that was significantly lower than DEN (-53%) or CCX (-36%) alone. CCX had no effect on MyHC content, but it elicited a preferential MyHC loss when combined with DEN. The expression levels of autophagy markers cathepsin D and LC3BII/I ratio were markedly higher in the CCX + DEN group than in the CNT + DEN and the CCX groups. Paradoxically, there was an increase in protein synthesis rate and phosphorylation levels of p70S6K and rpS6, markers of mTORC1 signaling, in the CNT + DEN group, and these molecular alterations were inhibited in the CCX + DEN group. Our data indicate that CCX aggravates muscle atrophy in DEN muscles by inducing seletive loss of myosin, which involves inactivity dependent mechanisms that is likely to be a consequence of increased autophagy-mediated protein breakdown coupled with impaired protein synthesis.
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