Anticancer Activity of Ramalin, a SecondaryMetabolite from the Antarctic LichenRamalina terebrata, against Colorectal Cancer Cells
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- Anticancer Activity of Ramalin, a SecondaryMetabolite from the Antarctic LichenRamalina terebrata, against Colorectal Cancer Cells
- Other Titles
- 남극지의류(라말리나 테레브라타)유래 이차대산물인 라말린의 대장암에 대한 항암 활성
- Suh, Sung-Suk
Yim, Joung Han
Youn, Ui Joung
Han, Se Jong
Trang Thu Thi Nguyen
Hong, Ju Mi
Kim, Jung Eun
Kim, Tai Kyoung
- Biochemistry & Molecular Biology; Chemistry
- Antarctic lichen; HCT116; cell cycle arrest; colorectal cancer; ramalin
- Issue Date
- Suh, Sung-Suk, et al. 2017. "Anticancer Activity of Ramalin, a SecondaryMetabolite from the Antarctic LichenRamalina terebrata, against Colorectal Cancer Cells". MOLECULES, 22(8): 1361-NaN.
- Colorectal cancer is a leading cause of death worldwide and occurs through the highly complex coordination of multiple cellular pathways, resulting in carcinogenesis. Recent studies have increasingly revealed that constituents of lichen extracts exhibit potent pharmaceutical activities, including anticancer activity against various cancer cells, making them promising candidates for new anticancer therapeutic drugs. The main objective of this study was to evaluate the anticancer capacities of ramalin, a secondarymetabolite from the Antarctic lichen Ramalina terebrata, in the human colorectal cancer cell line HCT116. In this study, ramalin displayed concentration-dependent anticancer activity against HCT116 cells, significantly suppressing proliferation and inducing apoptosis. Furthermore, ramalin induced cell cycle arrest in the gap 2/mitosis (G2/M) phase through the modulation of hallmark genes involved in the G2/M phase transition, such as tumour protein p53 (TP53), cyclin-dependent kinase inhibitor 1A (CDKN1A), cyclin-dependent kinase 1 (CDK1) and cyclin B1 (CCNB1). At both the transcriptional and translational level, ramalin caused a gradual increase in the expression of TP53 and its downstream gene CDKN1A, while decreasing the expression of CDK1 and CCNB1 in a concentration-dependent manner. In addition, ramalin significantly inhibited the migration and invasion of colorectal cancer cells in a concentration-dependent manner. Taken together, these data suggest that ramalin may be a therapeutic candidate for the targeted therapy of colorectal cancer.
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