Cited by 421Muscle Physiology and DisordersNutrition and Health in AgingMuscle metabolism and nutrition

Interleukin 6 receptor antibody inhibits muscle atrophy and modulates proteolytic systems in interleukin 6 transgenic mice.

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Tsujinaka, T, Fujita, J, Ebisui, C, Yano, M, Kominami, E, Suzuki, K, Tanaka, K, Katsume, A +3 more·1996·Journal of Clinical Investigation

Abstract

The muscles of IL-6 transgenic mice suffer from atrophy. Experiments were carried out on these transgenic mice to elucidate activation of proteolytic systems in the gastrocnemius muscles and blockage of this activation by treatment with the anti-mouse IL-6 receptor (mIL-6R) antibody. Muscle atrophy observed in 16-wk-old transgenic mice was completely blocked by treatment with the mIL-6R antibody. In association with muscle atrophy, enzymatic activities and mRNA levels of cathepsins (B and L) and mRNA levels of ubiquitins (poly- and mono-ubiquitins) increased, whereas the mRNA level of muscle-specific calpain (calpain 3) decreased. All these changes were completely eliminated by treatment with the mIL-6R antibody. This IL-6 receptor antibody could, therefore, be effective against muscle wasting in sepsis and cancer cachexia, where IL-6 plays an important role.

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Crossref · 10.1172/jci118398

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  • Transgenic mice chronically overexpressing IL-6 exhibit marked muscle atrophy, but knockout of IL-6 was not sufficient to prevent sarcopenia in a sepsis mouse model.

    “the pilot study of Tsujinaka and colleagues showed that transgenic mice chronically overexpressing IL-6 exhibit a marked muscle atrophy [47]; however, the knockout of IL-6 was not sufficient to prevent sarcopenia in a sepsis mouse model [48].”
  • Proinflammatory cytokines may inhibit muscle progenitor cell differentiation, and reactive oxygen species (nitric oxide) from M1 cells can be cytotoxic in sufficient quantities, requiring resolution of the proinflammatory response for muscle recovery.

    “However, it has also been shown that proinflammatory cytokines may inhibit muscle progenitor cell differentiation and that the reactive oxygen species that are produced by M1 cells (nitric oxide) can be cytotoxic if present in sufficient quantities, demonstrating the need for resolution of the proinflammatory response for muscle recovery to proceed beyond this initial stage [120–122].”

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Authors
Tsujinaka, T., Fujita, J., Ebisui, C., Yano, M., Kominami, E., Suzuki, K., Tanaka, K., Katsume, A., Ohsugi, Y., Shiozaki, H., & Monden, M.
Affiliations
  • Osaka University Hospital (JP)
  • The University of Osaka (JP)
  • Juntendo University (JP)
  • Institute for Quantitative Biosciences, The University of Tokyo (JP)
  • Chugai Pharmaceutical Co., Ltd. (Japan) (JP)
Venue
Journal of Clinical Investigation
Published
1996-01-01
Volume
97
Issue
1
Pages
244-249
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2060757943
Cited by
421
References
57
Citations by year
2026: 10 · 2025: 12 · 2024: 16 · 2023: 10 · 2022: 22 · 2021: 16 · 2020: 13 · 2019: 9 · 2018: 14 · 2017: 11 · 2016: 9 · 2015: 17 · 2014: 9 · 2013: 14 · 2012: 18
FWCI
5.18
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
Keywords
interleukin-6, IL-6 receptor antibody, muscle atrophy, proteolytic system, cathepsin B, cathepsin L, ubiquitin, CAPN3, gastrocnemius, cancer cachexia, sepsis
MeSH terms
Animals, Antibodies, Monoclonal, Body Weight, Calpain, Cathepsin B, Cathepsins, Cysteine Endopeptidases, Humans, Mice, Inbred C57BL, Mice, Transgenic, Multienzyme Complexes, Muscular Atrophy, Organ Size, Endopeptidases, RNA, Messenger, Ubiquitins, Antigens, CD, Interleukin-6, Gene Expression, Rats, Wistar, Receptors, Interleukin, Muscle, Skeletal, Receptors, Interleukin-6, Proteasome Endopeptidase Complex, Mice, Rats, Cathepsin L

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