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Related Experiment Videos

Devil's Club Falcarinol-Type Polyacetylenes Inhibit Pancreatic Cancer Cell Proliferation.

Susan S C Cheung1, David Hasman2, Djamel Khelifi3

  • 1a Department of Surgery , University of British Columbia , Vancouver , British Columbia , Canada.

Nutrition and Cancer
|January 22, 2019
PubMed
Summary

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This summary is machine-generated.

Synthetic falcarinol-type (FC) polyacetylenes demonstrate potent anticancer activity against pancreatic cancer cells. Chemical synthesis offers a viable alternative to plant extraction for developing these promising therapeutic agents.

Area of Science:

  • Natural Products Chemistry
  • Pharmacology
  • Cancer Biology

Background:

  • Falcarinol-type (FC) polyacetylenes from plants exhibit anticancer properties.
  • Devil's club (Oplopanax horridus) contains bioactive polyacetylenes.
  • Pancreatic cancer remains a significant health challenge with limited treatment options.

Purpose of the Study:

  • To evaluate the antiproliferation activity of synthetic FC-type polyacetylenes (FC, 1,2-dihydrofalcarinol (FCH), 3-acetoxyfalcarinol (FCA)) and natural polyacetylene (DCA) against pancreatic cancer cell lines.
  • To compare the efficacy of synthetic versus naturally isolated polyacetylenes.
  • To elucidate the mechanism of action of FC-type polyacetylenes.

Main Methods:

  • Antiproliferation assays on PANC-1 and BxPC-3 human pancreatic cancer cell lines.

Related Experiment Videos

  • Chemical synthesis of FC, FCH, and FCA.
  • Isolation of DCA from Devil's club (Oplopanax horridus).
  • Antibody array analysis of apoptosis-associated genes.
  • Microscopy for cellular feature analysis.
  • Liquid chromatography-mass spectrometry (LC-MS) for compound identification.

    • Main Results:

    • Chemically synthesized FC and FCA exhibited higher antiproliferation potency than natural DCA.
    • FC and DCA modulated genes involved in apoptosis, cell cycle, and cell death pathways.
    • FC-type polyacetylenes with a terminal double bond (FC, FCA, DCA) were more effective inhibitors than FCH (terminal single bond).
    • FC and FCH were identified in Devil's club inner stem bark extract.

    Conclusions:

    • Synthetic FC-type polyacetylenes are potent inhibitors of pancreatic cancer cell proliferation.
    • The presence of a terminal double bond is crucial for the anticancer activity of these compounds.
    • Chemical synthesis presents a scalable and advantageous method for producing FC-type polyacetylenes for potential therapeutic applications compared to extraction.