Article ; Online: Senotherapeutic drug treatment ameliorates chemotherapy-induced cachexia.
JCI insight
2024 Volume 9, Issue 2
Abstract: Cachexia is a debilitating skeletal muscle wasting condition for which we currently lack effective treatments. In the context of cancer, certain chemotherapeutics cause DNA damage and cellular senescence. Senescent cells exhibit chronic activation of the ...
| Abstract | Cachexia is a debilitating skeletal muscle wasting condition for which we currently lack effective treatments. In the context of cancer, certain chemotherapeutics cause DNA damage and cellular senescence. Senescent cells exhibit chronic activation of the transcription factor NF-κB, a known mediator of the proinflammatory senescence-associated secretory phenotype (SASP) and skeletal muscle atrophy. Thus, targeting NF-κB represents a logical therapeutic strategy to alleviate unintended consequences of genotoxic drugs. Herein, we show that treatment with the IKK/NF-κB inhibitor SR12343 during a course of chemotherapy reduces markers of cellular senescence and the SASP in liver, skeletal muscle, and circulation and, correspondingly, attenuates features of skeletal muscle pathology. Lastly, we demonstrate that SR12343 mitigates chemotherapy-induced reductions in body weight, lean mass, fat mass, and muscle strength. These findings support senescent cells as a promising druggable target to counteract the SASP and skeletal muscle wasting in the context of chemotherapy. |
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| MeSH term(s) | Humans ; NF-kappa B/metabolism ; Signal Transduction ; Cachexia/chemically induced ; Cachexia/drug therapy ; Senotherapeutics ; Muscular Atrophy/chemically induced ; Muscular Atrophy/drug therapy ; Antineoplastic Agents/adverse effects |
| Chemical Substances | NF-kappa B ; Senotherapeutics ; Antineoplastic Agents |
| Language | English |
| Publishing date | 2024-01-23 |
| Publishing country | United States |
| Document type | Journal Article |
| ISSN | 2379-3708 |
| ISSN (online) | 2379-3708 |
| DOI | 10.1172/jci.insight.169512 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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