P-cymene prevent high-fat diet-associated colorectal cancer by improving the structure of intestinal flora

Jin, Heiying; Leng, Qiang; Zhang, Chunxia; Zhu, Ya; Wang, Jun

doi:10.7150/jca.57049

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J Cancer 2021; 12(14):4355-4361. doi:10.7150/jca.57049 This issue Cite

Research Paper

P-cymene prevent high-fat diet-associated colorectal cancer by improving the structure of intestinal flora

Heiying Jin^✉, Qiang Leng, Chunxia Zhang, Ya Zhu, Jun Wang

Department of colorectal surgery, The Second Affiliated Hospital of Nanjing University of Chinese Medicine, 23Nanhu Road, Nanjing 210017, China.

Citation:

Jin H, Leng Q, Zhang C, Zhu Y, Wang J. P-cymene prevent high-fat diet-associated colorectal cancer by improving the structure of intestinal flora. J Cancer 2021; 12(14):4355-4361. doi:10.7150/jca.57049. https://www.jcancer.org/v12p4355.htm

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Abstract

Objective: To investigate the preventing effect of P-cymene on high fat diet-related colorectal cancer and its mechanism.

Methods: Forty Wistar rats were randomly divided into G1 group (high-fat diet), G2 group (high-fat diet + DMH), G3 group (high-fat diet + P-cymene), and G4 group (high-fat diet + DMH + P-cymene).G2 and G4 groups were subcutaneously injected with dimethylhydrazine (DMH), and G3 and G4 groups were intragastrically administered with P-cymene to investigate the effects of P-cymene on tumor formation, inflammatory factors, glucose, lipid metabolism and gut microbes.

Results: No tumors were formed in the high-fat diet group (G1) or the high-fat diet + P-cymone group (G3). 7 rats (70%) of the high-fat diet + DMH group (G2) developed 8 cancerous nodules, including 6 adenocarcinomas and 2 signet ring cell carcinomas; 4 rats (40%) in the high-fat diet + DMH + P-cymene group (G4) group formed 4 cancerous nodules, all of which were adenocarcinoma. There was no significant difference in the changes of glucose and lipid metabolism in each group. After the use of P-cymene, IL-1 decreased, IL-6 increased, and LEP decreased in the G4 group.The difference was statistically significant.The contents of Candida and Unclassified Bacteria in the G3 group rats were significantly lower than those in the G1 group.At the species level comparison, compared with the G2 group, the content of Clostridium XlVa in the intestinal tract of the G2 group rats was significantly increased compared to the G1 group.

Conclusion: In this study, it was found that p-cymenen can prevent the occurrence of colorectal cancer related to high-fat and high-calorie diet. The mechanism may be is reducing the expression of inflammatory factors such as IL-1 and LEP, increasing the expression of inflammatory factors of IL-6, and promoting the growth of probiotics such as bifidobacteria, isobacteria and clostridium IV in the intestinal tract.

Keywords: intestinal flora, high-fat diet, colorectal cancer, inflammatory factors, P-cymene

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APA

Jin, H., Leng, Q., Zhang, C., Zhu, Y., Wang, J. (2021). P-cymene prevent high-fat diet-associated colorectal cancer by improving the structure of intestinal flora. Journal of Cancer, 12(14), 4355-4361. https://doi.org/10.7150/jca.57049.

ACS

Jin, H.; Leng, Q.; Zhang, C.; Zhu, Y.; Wang, J. P-cymene prevent high-fat diet-associated colorectal cancer by improving the structure of intestinal flora. J. Cancer 2021, 12 (14), 4355-4361. DOI: 10.7150/jca.57049.

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CSE

Jin H, Leng Q, Zhang C, Zhu Y, Wang J. 2021. P-cymene prevent high-fat diet-associated colorectal cancer by improving the structure of intestinal flora. J Cancer. 12(14):4355-4361.

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