N′-(phenyl-2-yl-methylene)-hydrazine carbodithioic acid methyl ester enhances radiation-induced cell death by targeting Bcl-2 against human lung carcinoma cells

  • Jong Kuk Park
  • , Young Min Chung
  • , Byung Gyu Kim
  • , Young A. Yoo
  • , Beom Seok Yang
  • , Jun Suk Kim
  • , Young Do Yoo*
  • *Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    11 Citations (Scopus)

    Abstract

    To develop a new radiosensitizer, we screened a chemical library and selected one chemical reagent, N′-(phenyl-pyridin-2-yl-methylene)-hydrazine carbodithioic acid methyl ester (PHCM), which was already known to have antifungal and antimicrobial properties. PHCM enhanced radiation-induced cell death and its mean calculated dose enhancement ratio was 1.17. PHCM was found to induce the phosphorylation of p38 mitogen-activated protein kinase, and combined treatment with PHCM and radiation down-regulated Bcl-2. In a xenograft assay, the combined PHCM and radiation group showed 39.3 days of growth delay versus the control in terms of tumor growth. The enhancement factor of this combined treatment was determined to be 4.02.

    Original languageEnglish
    Pages (from-to)403-407
    Number of pages5
    JournalMolecular cancer therapeutics
    Volume3
    Issue number4
    Publication statusPublished - 2004 Apr

    ASJC Scopus subject areas

    • Oncology
    • Cancer Research

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