Zerumbone, a bioactive sesquiterpene, induces G2/M cell cycle arrest and apoptosis in leukemia cells via a Fas- and mitochondria-mediated pathway

Mingji Xian, Keisuke Ito, Tomonori Nakazato, Takatsune Shimizu, Chien Kang Chen, Kenji Yamato, Akira Murakami, Hajime Ohigashi, Yasuo Ikeda, Masahiro Kizaki

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Abstract

We demonstrated here for the first time that zerumbone (ZER), a natural cyclic sesquiterpene, significantly suppressed the proliferation of promyelocytic leukemia NB4 cells among several leukemia cell lines, but not human umbilical vein endothelial cells (HUVECs), by inducing G2/M cell cycle arrest followed by apoptosis with 10 μM of IC50. Treatment of NB4 cells with growth-suppressive concentrations of ZER resulted in G2/M cell cycle arrest that was associated with a decline of Cyclin B1 protein, but with the phosphorylation of ATM/Chk1/Chk2. In addition, ZER induced the phosphorylation of Cdc25C at the Thr48 residue and Cdc2 at the Thr14/Tyr15 residues. Furthermore, ZER-induced apoptosis in NB4 cells was initiated by the expression of Fas (CD95)/Fas Ligand (CD95L), concomitant with the activation of caspase-8. ZER was also found to induce the cleavage of Bid, a mediator that is known to connect the Fas/CD95 cell death receptor to the mitochondrial apoptosis pathway. ZER also induced the cleavage of Bax and Mcl-1 proteins, but not Bcl-2 or Bcl-XL. ZER-induced apoptosis took place in association with a loss of the mitochondrial transmembrane potential as well as the activation of caspase-3 and -9, resulting in the degradation of the proteolytic poly (ADP-ribose) polymerase (PARP). ZER also triggered a release of cytochrome c into the cytoplasm. Both antagonistic anti-Fas antibody ZB4 and pan-caspase inhibitor Z-VAD inhibited ZER-induced apoptosis in NB4 cells. Taken together, ZER is an inducer of apoptosis in leukemic cells that specifically triggers the Fas/CD95- and mitochondria-mediated apoptotic signaling pathway.

Original languageEnglish (US)
Pages (from-to)118-126
Number of pages9
JournalCancer Science
Volume98
Issue number1
DOIs
StatePublished - Jan 2007
Externally publishedYes

Fingerprint

G2 Phase Cell Cycle Checkpoints
Sesquiterpenes
Mitochondria
Leukemia
Apoptosis
Fas Ligand Protein
Phosphorylation
zerumbone
Cyclin B1
Death Domain Receptors
Caspase Inhibitors
Poly(ADP-ribose) Polymerases
Caspase 9
Caspase 8
Human Umbilical Vein Endothelial Cells
Cytochromes c
Caspase 3
Membrane Potentials
Inhibitory Concentration 50
Anti-Idiotypic Antibodies

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Zerumbone, a bioactive sesquiterpene, induces G2/M cell cycle arrest and apoptosis in leukemia cells via a Fas- and mitochondria-mediated pathway. / Xian, Mingji; Ito, Keisuke; Nakazato, Tomonori; Shimizu, Takatsune; Chen, Chien Kang; Yamato, Kenji; Murakami, Akira; Ohigashi, Hajime; Ikeda, Yasuo; Kizaki, Masahiro.

In: Cancer Science, Vol. 98, No. 1, 01.2007, p. 118-126.

Research output: Contribution to journalArticle

Xian, Mingji ; Ito, Keisuke ; Nakazato, Tomonori ; Shimizu, Takatsune ; Chen, Chien Kang ; Yamato, Kenji ; Murakami, Akira ; Ohigashi, Hajime ; Ikeda, Yasuo ; Kizaki, Masahiro. / Zerumbone, a bioactive sesquiterpene, induces G2/M cell cycle arrest and apoptosis in leukemia cells via a Fas- and mitochondria-mediated pathway. In: Cancer Science. 2007 ; Vol. 98, No. 1. pp. 118-126.
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abstract = "We demonstrated here for the first time that zerumbone (ZER), a natural cyclic sesquiterpene, significantly suppressed the proliferation of promyelocytic leukemia NB4 cells among several leukemia cell lines, but not human umbilical vein endothelial cells (HUVECs), by inducing G2/M cell cycle arrest followed by apoptosis with 10 μM of IC50. Treatment of NB4 cells with growth-suppressive concentrations of ZER resulted in G2/M cell cycle arrest that was associated with a decline of Cyclin B1 protein, but with the phosphorylation of ATM/Chk1/Chk2. In addition, ZER induced the phosphorylation of Cdc25C at the Thr48 residue and Cdc2 at the Thr14/Tyr15 residues. Furthermore, ZER-induced apoptosis in NB4 cells was initiated by the expression of Fas (CD95)/Fas Ligand (CD95L), concomitant with the activation of caspase-8. ZER was also found to induce the cleavage of Bid, a mediator that is known to connect the Fas/CD95 cell death receptor to the mitochondrial apoptosis pathway. ZER also induced the cleavage of Bax and Mcl-1 proteins, but not Bcl-2 or Bcl-XL. ZER-induced apoptosis took place in association with a loss of the mitochondrial transmembrane potential as well as the activation of caspase-3 and -9, resulting in the degradation of the proteolytic poly (ADP-ribose) polymerase (PARP). ZER also triggered a release of cytochrome c into the cytoplasm. Both antagonistic anti-Fas antibody ZB4 and pan-caspase inhibitor Z-VAD inhibited ZER-induced apoptosis in NB4 cells. Taken together, ZER is an inducer of apoptosis in leukemic cells that specifically triggers the Fas/CD95- and mitochondria-mediated apoptotic signaling pathway.",
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AU - Ito, Keisuke

AU - Nakazato, Tomonori

AU - Shimizu, Takatsune

AU - Chen, Chien Kang

AU - Yamato, Kenji

AU - Murakami, Akira

AU - Ohigashi, Hajime

AU - Ikeda, Yasuo

AU - Kizaki, Masahiro

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N2 - We demonstrated here for the first time that zerumbone (ZER), a natural cyclic sesquiterpene, significantly suppressed the proliferation of promyelocytic leukemia NB4 cells among several leukemia cell lines, but not human umbilical vein endothelial cells (HUVECs), by inducing G2/M cell cycle arrest followed by apoptosis with 10 μM of IC50. Treatment of NB4 cells with growth-suppressive concentrations of ZER resulted in G2/M cell cycle arrest that was associated with a decline of Cyclin B1 protein, but with the phosphorylation of ATM/Chk1/Chk2. In addition, ZER induced the phosphorylation of Cdc25C at the Thr48 residue and Cdc2 at the Thr14/Tyr15 residues. Furthermore, ZER-induced apoptosis in NB4 cells was initiated by the expression of Fas (CD95)/Fas Ligand (CD95L), concomitant with the activation of caspase-8. ZER was also found to induce the cleavage of Bid, a mediator that is known to connect the Fas/CD95 cell death receptor to the mitochondrial apoptosis pathway. ZER also induced the cleavage of Bax and Mcl-1 proteins, but not Bcl-2 or Bcl-XL. ZER-induced apoptosis took place in association with a loss of the mitochondrial transmembrane potential as well as the activation of caspase-3 and -9, resulting in the degradation of the proteolytic poly (ADP-ribose) polymerase (PARP). ZER also triggered a release of cytochrome c into the cytoplasm. Both antagonistic anti-Fas antibody ZB4 and pan-caspase inhibitor Z-VAD inhibited ZER-induced apoptosis in NB4 cells. Taken together, ZER is an inducer of apoptosis in leukemic cells that specifically triggers the Fas/CD95- and mitochondria-mediated apoptotic signaling pathway.

AB - We demonstrated here for the first time that zerumbone (ZER), a natural cyclic sesquiterpene, significantly suppressed the proliferation of promyelocytic leukemia NB4 cells among several leukemia cell lines, but not human umbilical vein endothelial cells (HUVECs), by inducing G2/M cell cycle arrest followed by apoptosis with 10 μM of IC50. Treatment of NB4 cells with growth-suppressive concentrations of ZER resulted in G2/M cell cycle arrest that was associated with a decline of Cyclin B1 protein, but with the phosphorylation of ATM/Chk1/Chk2. In addition, ZER induced the phosphorylation of Cdc25C at the Thr48 residue and Cdc2 at the Thr14/Tyr15 residues. Furthermore, ZER-induced apoptosis in NB4 cells was initiated by the expression of Fas (CD95)/Fas Ligand (CD95L), concomitant with the activation of caspase-8. ZER was also found to induce the cleavage of Bid, a mediator that is known to connect the Fas/CD95 cell death receptor to the mitochondrial apoptosis pathway. ZER also induced the cleavage of Bax and Mcl-1 proteins, but not Bcl-2 or Bcl-XL. ZER-induced apoptosis took place in association with a loss of the mitochondrial transmembrane potential as well as the activation of caspase-3 and -9, resulting in the degradation of the proteolytic poly (ADP-ribose) polymerase (PARP). ZER also triggered a release of cytochrome c into the cytoplasm. Both antagonistic anti-Fas antibody ZB4 and pan-caspase inhibitor Z-VAD inhibited ZER-induced apoptosis in NB4 cells. Taken together, ZER is an inducer of apoptosis in leukemic cells that specifically triggers the Fas/CD95- and mitochondria-mediated apoptotic signaling pathway.

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