Abstract
Bisabolane-type sesquiterpenes are a class of biologically active compounds that has antitumour, antifungal, antibacterial, antioxidant and antivenom properties. We investigated the effect of two new highly oxygenated bisabolane-type sesquiterpenes (HOBS) isolated from Cremanthodium discoideum (C. discoideum) on tumour cells. Our results showed that HOBS induced morphological differentiation and reduced microvilli formation on the cell surface in SMMC-7721 cells. Flow cytometry analysis demonstrated that HOBS could induce cell-cycle arrest in the G1 phase. Moreover, HOBS was able to increase tyrosine-α-ketoglutarate transaminase activity, decrease α foetoprotein level and γ-glutamyl transferase activity. In addition, we found that HOBS inhibited the anchorageindependent growth of SMMC-7721 cells in a dose-dependent manner. Taken together, all the above observations indicate that HOBS might be able to normalize malignant SMMC-7721 cells by inhibiting cell proliferation and inducing redifferentiation.
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Abbreviations
- AFP:
-
α-foetoprotein
- DMSO:
-
dimethysulphoxide
- ELISA:
-
enzyme-linked immunosorbent assay
- FBS:
-
foetal bovine serum
- γ-GT:
-
γ-glutamyl transferase
- HOBS:
-
highly oxygenated bisabolane-type sesquiterpenes
- PBS:
-
phosphate buffered saline
- PI:
-
propidium iodide
- TAT:
-
tyrosine-α-ketoglutarate transaminase
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Miao, R., Wei, J., Zhang, Q. et al. Redifferentiation of human hepatoma cells (SMMC-7721) induced by two new highly oxygenated bisabolane-type sesquiterpenes. J. Biosci. 33, 723–730 (2008). https://doi.org/10.1007/s12038-008-0092-x
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DOI: https://doi.org/10.1007/s12038-008-0092-x