Systematic revelation of the protective effect and mechanism of  Cordycep sinensis  on diethylnitrosamine-induced rat hepatocellular carcinoma with proteomics

Pei-Wen Wang; Yu-Chiang Hung; Wen-Tai Li; Chau-Ting Yeh; Tai-Long Pan

doi:10.18632/oncotarget.11201

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Research Papers:

Systematic revelation of the protective effect and mechanism of Cordycep sinensis on diethylnitrosamine-induced rat hepatocellular carcinoma with proteomics

Pei-Wen Wang, Yu-Chiang Hung, Wen-Tai Li, Chau-Ting Yeh and Tai-Long Pan _

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Oncotarget. 2016; 7:60270-60289. https://doi.org/10.18632/oncotarget.11201

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Abstract

Pei-Wen Wang1, Yu-Chiang Hung1,2, Wen-Tai Li3, Chau-Ting Yeh4, Tai-Long Pan1,4,5,6

1School of Traditional Chinese Medicine, Chang Gung University, Taoyuan, Taiwan

22Department of Chinese Internal Medicine, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Kaohsiung City, Taiwan

3National Research Institute of Chinese Medicine, Ministry of Health and Welfare, Taipei, Taiwan

4Liver Research Center, Chang Gung Memorial Hospital, Taoyuan, Taiwan

5Research Center for Industry of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, Taiwan

6Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan

Correspondence to:

Tai-Long Pan, email: [email protected]

Keywords: diethylnitrosamine, hepatocellular carcinoma, Cordycep sinensis, proteomics

Received: January 09, 2016 Accepted: July 18, 2016 Published: August 11, 2016

ABSTRACT

Cordyceps sinensis (C. sinensis) has been reported to treat liver diseases. Here, we investigated the inhibitory effect of C. sinensis on hepatocarcinoma in a diethylnitrosamine (DEN)-induced rat model with functional proteome tools.

In the DEN-exposed group, levels of serum alanine aminotransferase and aspartate aminotransferase were increased while C. sinensis application remarkably inhibited the activities of these enzymes. Histopathological analysis also indicated that C. sinensis could substantially restore hypertrophic hepatocytes caused by DEN, suggesting that C. sinensis is effective in preventing DEN-induced hepatocarcinogenesis.

We therefore comprehensively delineated the global protein alterations using a proteome platform. The most meaningful changes were found among proteins involved in oxidative stress and detoxification. Meanwhile, C. sinensis application could attenuate the carbonylation level of several enzymes as well as chaperone proteins. Network analysis implied that C. sinensis could obviously alleviate hepatocarcinoma via modulating redox imbalance, protein ubiquitination and tumor growth–associated transcription factors.

Our findings provide new insight into the potential effects of C. sinensis in preventing carcinogenesis and might help in developing novel therapeutic strategies against chemical-induced hepatocarcinoma.

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Research Papers:

Systematic revelation of the protective effect and mechanism of Cordycep sinensis on diethylnitrosamine-induced rat hepatocellular carcinoma with proteomics

Abstract