Honokiol, a natural biphenyl, inhibits in vitro and in vivo growth of breast cancer through induction of apoptosis and cell cycle arrest

Ido Wolf*, James O'Kelly, Naoki Wakimoto, Anh Nguyen, Franck Amblard, Beth Y. Karlan, Jack L. Arbiser, H. Phillip Koeffler

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Honokiol (HNK), a naturally occurring biphenyl, possesses potent antineoplastic and antiangiogenic properties. We investigated the in vitro and in vivo activity of HNK against breast cancer. HNK exhibited potent anti-proliferative activity against breast cancer cell lines and enhanced the activity of other drugs used for the treatment of breast cancer. In vivo, HNK was highly effective against breast cancer in nude mice. We identified two different effects of HNK on breast cancer cells: cell cycle inhibition, observed at lower doses of HNK, and induction of apoptosis, observed at higher doses of the compound. Our data suggest that HNK is a systemically available, non-toxic inhibitor of breast cancer growth and should be examined for clinical applications.

Original languageEnglish
Pages (from-to)1529-1537
Number of pages9
JournalInternational Journal of Oncology
Volume30
Issue number6
DOIs
StatePublished - Jun 2007
Externally publishedYes

Keywords

  • Apoptosis
  • Breast cancer
  • Cell cycle
  • Epidermal growth factor receptor
  • Honokiol
  • p21
  • p27

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