Objective: Colorectal Cancer (CRC) has attracted much attention due to its high mortality and morbidity. Cordycepin, also known as 3'-deoxyadenosine (3'-dA), exhibits many biological functions, including antibacterial, anti-inflammatory, antiviral, anti-tumor, and immunomodulatory effects. It has been proven to show anticancer activity in both laboratory research studies and living organisms. However, the molecular mechanism of the effect of cordycepin on CRC remains unclear.
Methods: The genes associated with cordycepin and colorectal cancer have been identified by comparing the toxicogenomics database (CTD) and GeneCards database. The common genes between cordycepin and CRC have been identified using the Venny tool. The Protein-protein Interaction (PPI) network has been drawn using the STRING database. GO and KEGG enrichment analyses of the intersecting genes have been followed by experimental validation, both in vitro and in vivo.
Results: 24 drug targets have been screened using the CTD database and 1490 disease targets have been obtained from the GeneCards database and GO and KEGG analyses. The effect of cordycepin on the proliferation of SW480 cells has been assessed using CCK-8. The related results have indicated cordycepin to inhibit the proliferation of SW480 cells, promote apoptosis, and activate the p53 signal pathway. The findings obtained from in vivo experiments have been found to be consistent with those obtained from in vitro studies.
Conclusion: Our findings have elucidated an effective way to search for cordycepin's potential mechanism of effect on CRC therapy by employing the network pharmacology and experiment. We have predicted that cordycepin can inhibit tumor growth by regulating the apoptosis pathway. This study has offered valuable insights into the potential mechanism of the effect of cordycepin on CRC and provided a theoretical basis for further validation of its clinical application.
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