Galiellalactone Inhibits Stem Cell-Like ALDH-Positive Prostate Cancer Cells
2011

Galiellalactone Inhibits Stem Cell-Like Prostate Cancer Cells

Sample size: 6 publication 10 minutes Evidence: moderate

Author Information

Author(s): Hellsten Rebecka, Johansson Martin, Dahlman Anna, Sterner Olov, Bjartell Anders

Primary Institution: Lund University

Hypothesis

This study aimed to investigate the effect of galiellalactone on prostate cancer stem cell-like cells.

Conclusion

Galiellalactone effectively decreases the proportion of ALDH+ prostate cancer cells and induces apoptosis in these cells.

Supporting Evidence

  • Galiellalactone treatment decreased the proportion of ALDH+ prostate cancer cells.
  • ALDH+ cells showed increased tumorigenicity compared to ALDH- cells.
  • Treatment with galiellalactone induced apoptosis in ALDH+ cells.

Takeaway

Researchers found that a compound called galiellalactone can kill certain cancer cells that are hard to treat, which might help in fighting prostate cancer.

Methodology

The study used human prostate cancer cell lines and assessed the effects of galiellalactone on ALDH+ cells through various assays including ALDEFLUOR assay, flow cytometry, and tumorigenicity assays in mice.

Limitations

The study primarily focused on in vitro and xenograft models, which may not fully represent human responses.

Statistical Information

P-Value

p=0.0013 for DU145 cells; p=0.0441 for LNCaP-IL6 cells

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022118

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