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Article Publish Status: FREE
Abstract Title:

Z-ajoene from Crushed Garlic Alleviates Cancer-Induced Skeletal Muscle Atrophy.

Abstract Source:

Nutrients. 2019 Nov 10 ;11(11). Epub 2019 Nov 10. PMID: 31717643

Abstract Author(s):

Hyejin Lee, Ji-Won Heo, A-Reum Kim, Minson Kweon, Sorim Nam, Jong-Seok Lim, Mi-Kyung Sung, Sung-Eun Kim, Jae-Ha Ryu

Article Affiliation:

Hyejin Lee

Abstract:

Skeletal muscle atrophy is one of the major symptoms of cancer cachexia. Garlic (), one of the world's most commonly used and versatile herbs, has been employed for the prevention and treatment of diverse diseases for centuries. In the present study, we found that ajoene, a sulfur compound found in crushed garlic, exhibits protective effects against muscle atrophy. Using CT26 tumor-bearing BALB/c mice, we demonstrate in vivo that ajoene extract alleviated muscle degradation by decreasing not only myokines secretion but also janus kinase/signal transducer and activator of transcription 3 (JAK/STAT3) and SMADs/forkhead box (FoxO) signaling pathways, thereby suppressing muscle-specific E3 ligases. In mouse skeletal myoblasts, Z-ajoene enhanced myogenesis as evidenced by increased expression of myogenic markers via p38 mitogen-activated protein kinase (MAPK) activation. In mature myotubes, Z-ajoene protected against muscle protein degradation induced by conditioned media from CT26 colon carcinoma cells, by suppressing expression of muscle specific E3 ligases and nuclear transcription factor kappa B (NF-κB) phosphorylation which contribute to muscle atrophy. Moreover, Z-ajoene treatment improved myofiber formation via stimulation of muscle protein synthesis. These findings suggest that ajoene extract and Z-ajoene can attenuate skeletal muscle atrophy induced by cancer cachexia through suppressinginflammatory responses and the muscle wasting as well as by promoting muscle protein synthesis.

Study Type : Animal Study, In Vitro Study

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