Research Papers:

Anti-cachectic effect of Antrodia cinnamomea extract in lung tumor-bearing mice under chemotherapy

Meng-Chuan Chen, Wen-Lin Hsu and Tz-Chong Chou _

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Oncotarget. 2018; 9:19584-19596. https://doi.org/10.18632/oncotarget.24680

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Meng-Chuan Chen1,*, Wen-Lin Hsu2,3,* and Tz-Chong Chou4,5,6,7

1School of Dentistry, Graduated Institute of Dental Science, National Defense Medical Center, Taipei, Taiwan

2Department of Radiation Oncology, Buddhist Tzu Chi General Hospital, Hualien, Taiwan

3School of Medicine, Tzu Chi University, Hualien, Taiwan

4Cancer Research Center, Buddhist Tzu Chi General Hospital, Hualien, Taiwan

5Institute of Medical Sciences, Tzu Chi University, Hualien, Taiwan

6Department of Biotechnology, Asia University, Taichung, Taiwan

7China Medical University Hospital, China Medical University, Taichung, Taiwan

*These authors have contributed equally to this work

Correspondence to:

Tz-Chong Chou, email: [email protected]

Keywords: Antrodia cinnamomea; lung tumor; cancer cachexia; muscle atrophy; chemotherapy

Received: August 05, 2017    Accepted: February 28, 2018    Published: April 13, 2018


Skeletal muscle atrophy, the most characteristic feature of cancer cachexia, often occurs in patients with cancer undergoing chemotherapy. Antrodia cinnamomea (AC) a widely used edible medical fungus, exhibits hepatoprotective, anti-inflammatory and anticancer activities. In this study, we investigated whether combined treatment with the ethonolic extract of AC ameliorates cachexia symptoms, especially muscle wasting, in lung tumor-bearing mice treated with chemotherapy. Our results revealed that gemcitabine and cisplatin-induced severe body weight loss and skeletal muscle atrophy in the mice with cancer were greatly attenuated after AC extract administration. The protection may be attributed to the inhibition of skeletal muscle proteolysis by suppressing myostatin and activin release, muscle wasting-related FoxO3/MuRF-1/MAFbx signaling, proteasomal enzyme activity, and pro-inflammatory cytokine production. A significant decrease in insulin-like growth factor 1 (IGF-1) expression and formation was observed in the atrophying muscle of the conventional chemotherapy treatment group (CGC), and this decrease was markedly reversed by AC treatment. Additionally, the anorexia, intestinal injury and dysfunction that occurred in the CGC group were mitigated by AC extract. Taken together, these results demonstrated that the AC extract has a protective effect against chemotherapy-induced muscle atrophy mainly by attenuating muscle proteolysis, pro-inflammatory cytokine production, and anorexia, and activating IGF-1-dependent protein synthesis.

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