Xanthorrhizol, a natural sesquiterpenoid, induces apoptosis and growth arrest in HCT116 human colon cancer cells

You Jin Kang, Kwang Kyun Park, Won Yoon Chung, Jae Kwan Hwang, Sang Kook Lee

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Xanthorrhizol is a sesquiterpenoid from the rhizome of Curcuma xanthorrhiza. In our previous studies, xanthorrhizol suppressed cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS) expression, inhibited cancer cell growth, and exerted an anti-metastatic effect in an animal model. However, the exact mechanisms for its inhibitory effects against cancer cell growth have not yet been fully elucidated. In the present study, we investigated the growth inhibitory effect of xanthorrhizol on cancer cells. Xanthorrhizol dose-dependently exerted antiproliferative effects against HCT116 human colon cancer cells. Xanthorrhizol also arrested cell cycle progression in the G0/G1 and G2/M phase and induced the increase of sub-G1 peaks. Cell cycle arrest was highly correlated with the downregulation of cyclin A, cyclin B1, and cyclin D1; cyclin-dependent kinase 1 (CDK1), CDK2, and CDK4; proliferating cell nuclear antigen; and inductions of p21 and p27, cyclin-dependent kinase inhibitors. The apoptosis by xanthorrhizol was markedly evidenced by induction of DNA fragmentation, release of cytochrome c, activation of caspases, and cleavage of poly-(ADP-ribose) polymerase. In addition, xanthorrhizol increased the expression and promoter activity of pro-apoptotic non-steroidal anti-inflammatory drug-activated gene-1 (NAG-1). These findings provide one plausible mechanism for the growth inhibitory activity of xanthorrhizol against cancer cells.

Original languageEnglish (US)
Pages (from-to)276-284
Number of pages9
JournalJournal of Pharmacological Sciences
Volume111
Issue number3
DOIs
StatePublished - Dec 1 2009

Fingerprint

Colonic Neoplasms
Apoptosis
Growth
Neoplasms
CDC2 Protein Kinase
Cyclin-Dependent Kinase Inhibitor p21
Cyclin-Dependent Kinase Inhibitor p27
Cyclin B1
Curcuma
Cyclin A
Rhizome
Poly(ADP-ribose) Polymerases
xanthorrhizol
G2 Phase
Cyclin D1
Proliferating Cell Nuclear Antigen
Nitric Oxide Synthase Type II
DNA Fragmentation
Cyclooxygenase 2
Caspases

Keywords

  • Apoptosis
  • Cell cycle arrest
  • HCT116 human colon cancer cell
  • Non-steroidal anti-inflammatory drug-activated gene-1 (NAG-1) expression
  • Xanthorrhizol

ASJC Scopus subject areas

  • Molecular Medicine
  • Pharmacology

Cite this

Xanthorrhizol, a natural sesquiterpenoid, induces apoptosis and growth arrest in HCT116 human colon cancer cells. / Kang, You Jin; Park, Kwang Kyun; Chung, Won Yoon; Hwang, Jae Kwan; Lee, Sang Kook.

In: Journal of Pharmacological Sciences, Vol. 111, No. 3, 01.12.2009, p. 276-284.

Research output: Contribution to journalArticle

Kang, You Jin ; Park, Kwang Kyun ; Chung, Won Yoon ; Hwang, Jae Kwan ; Lee, Sang Kook. / Xanthorrhizol, a natural sesquiterpenoid, induces apoptosis and growth arrest in HCT116 human colon cancer cells. In: Journal of Pharmacological Sciences. 2009 ; Vol. 111, No. 3. pp. 276-284.
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AU - Lee, Sang Kook

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