A new curcumin derivative, HBC, interferes with the cell cycle progression of colon cancer cells via antagonization of the Ca2+/calmodulin function

Joong Sup Shim, Jiyong Lee, Hyun Ju Park, So Jung Park, Ho Jeong Kwon

Research output: Contribution to journalArticle

91 Citations (Scopus)

Abstract

HBC (4-{3,5-Bis-[2-(4-hydroxy-3-methoxy-phenyl)-ethyl]-4,5-dihydro-pyrazol- 1-yl}-benzoic acid) is a recently developed curcumin derivative which exhibits potent inhibitory activities against the proliferation of several tumor cell lines. In the present study, we identified Ca2+/calmodulin (Ca 2+/CaM) as a direct target protein of HBC using phage display biopanning. Ca2+/CaM-expressing phages specifically bound to the immobilized HBC, and the binding was Ca2+ dependent. Moreover, flexible docking modeling demonstrated that HBC is compatible with the binding cavity for a known inhibitor, W7, in the C-terminal hydrophobic pocket of Ca2+/CaM. In biological systems, HBC induced prolonged phosphorylation of ERK1/2 and activated p21WAF1 expression, resulting in the induction of G0/G1 cell cycle arrest in HCT15 colon cancer cells. These results suggest that HBC inhibits the cell cycle progression of colon cancer cells via antagonizing of Ca2+/CaM functions.

Original languageEnglish
Pages (from-to)1455-1463
Number of pages9
JournalChemistry and Biology
Volume11
Issue number10
DOIs
Publication statusPublished - 2004 Oct 1

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Curcumin
Calmodulin
Bacteriophages
Colonic Neoplasms
Cell Cycle
Cells
Derivatives
G1 Phase Cell Cycle Checkpoints
Benzoic Acid
Tumor Cell Line
Phosphorylation
Biological systems
Proteins
Tumors
Display devices
W 7

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Medicine
  • Molecular Biology
  • Pharmacology
  • Drug Discovery
  • Clinical Biochemistry

Cite this

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abstract = "HBC (4-{3,5-Bis-[2-(4-hydroxy-3-methoxy-phenyl)-ethyl]-4,5-dihydro-pyrazol- 1-yl}-benzoic acid) is a recently developed curcumin derivative which exhibits potent inhibitory activities against the proliferation of several tumor cell lines. In the present study, we identified Ca2+/calmodulin (Ca 2+/CaM) as a direct target protein of HBC using phage display biopanning. Ca2+/CaM-expressing phages specifically bound to the immobilized HBC, and the binding was Ca2+ dependent. Moreover, flexible docking modeling demonstrated that HBC is compatible with the binding cavity for a known inhibitor, W7, in the C-terminal hydrophobic pocket of Ca2+/CaM. In biological systems, HBC induced prolonged phosphorylation of ERK1/2 and activated p21WAF1 expression, resulting in the induction of G0/G1 cell cycle arrest in HCT15 colon cancer cells. These results suggest that HBC inhibits the cell cycle progression of colon cancer cells via antagonizing of Ca2+/CaM functions.",
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A new curcumin derivative, HBC, interferes with the cell cycle progression of colon cancer cells via antagonization of the Ca2+/calmodulin function. / Shim, Joong Sup; Lee, Jiyong; Park, Hyun Ju; Park, So Jung; Kwon, Ho Jeong.

In: Chemistry and Biology, Vol. 11, No. 10, 01.10.2004, p. 1455-1463.

Research output: Contribution to journalArticle

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