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A novel anticancer agent, decursin, induces G1 arrest and apoptosis in human prostate carcinoma cells
- Source :
- Scopus-Elsevier
- Publication Year :
- 2005
-
Abstract
- We isolated a coumarin compound decursin (C19H20O5; molecular weight 328) from Korean angelica (Angelica gigas) root and characterized it by spectroscopy. Here, for the first time, we observed that decursin (25-100 μmol/L) treatment for 24 to 96 hours strongly inhibits growth and induces death in human prostate carcinoma DU145, PC-3, and LNCaP cells. Furthermore, we observed that decursinol [where (CH3)2-C=CH-COO- side chain of decursin is substituted with -OH] has much lower effects compared with decursin, suggesting a possible structure-activity relationship. Decursin-induced growth inhibition was associated with a strong G1 arrest (P < 0.001) in DU145 and LNCaP cells, and G1, S as well as G2-M arrests depending upon doses and treatment times in PC-3 cells. Comparatively, decursin was nontoxic to human prostate epithelial PWR-1E cells and showed only moderate growth inhibition and G1 arrest. Consistent with G1 arrest in DU145 cells, decursin strongly increased protein levels of Cip1/p21 but showed a moderate increase in Kip1/p27 with a decrease in cyclin-dependent kinases (CDK); CDK2, CDK4, CDK6, and cyclin D1, and inhibited CDK2, CDK4, CDK6, cyclin D1, and cyclin E kinase activity, and increased binding of CDK inhibitor (CDKI) with CDK. Decursin-caused cell death was associated with an increase in apoptosis (P < 0.05-0.001) and cleaved caspase-9, caspase-3, and poly(ADP-ribose) polymerase; however, pretreatment with all-caspases inhibitor (z-VAD-fmk) only partially reversed decursin-induced apoptosis, suggesting the involvement of both caspase-dependent and caspase-independent pathways. These findings suggest the novel anticancer efficacy of decursin mediated via induction of cell cycle arrest and apoptosis selectively in human prostate carcinoma cells.
- Subjects :
- Cyclin-Dependent Kinase Inhibitor p21
Male
Cancer Research
G1 Phase
Intracellular Signaling Peptides and Proteins
Prostate
Prostatic Neoplasms
Apoptosis
Cell Cycle Proteins
Epithelial Cells
Cell Growth Processes
Cyclin-Dependent Kinases
Up-Regulation
Enzyme Activation
Butyrates
Oncology
Caspases
Cell Line, Tumor
Humans
Benzopyrans
Carrier Proteins
Nuclear Magnetic Resonance, Biomolecular
Protein Kinase Inhibitors
Cyclin-Dependent Kinase Inhibitor p27
Subjects
Details
- ISSN :
- 00085472
- Volume :
- 65
- Issue :
- 3
- Database :
- OpenAIRE
- Journal :
- Cancer research
- Accession number :
- edsair.doi.dedup.....ebdacb2ff7bcda0a80fe50506ff14c2c