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Renieramycin M Attenuates Cancer Stem Cell-like Phenotypes in H460 Lung Cancer Cells.
Anticancer Research 2017
BACKGROUND/AIM: Cancer stem cells (CSCs) are a subpopulation of cancer cells that possess self-renewal and differentiation capacities. CSCs contribute to drug-resistance, cancer recurrence and metastasis, thus development of CSC-targeted therapeutic strategies has recently received significant attention in cancer research. In this study, the potential efficacy of renieramycin M (RM) isolated from the sponge Xestospongia species, was examined against lung CSCs.
MATERIALS AND METHODS: Colony and spheroid formation assays, as well as western blotting analysis of lung CSC protein markers were employed to determine the CSC-like phenotypes of H460 lung cancer cells after treatment with RM at non-toxic concentrations.
RESULTS: RM treatment reduced significantly colony and spheroid formation of H460 cells. Moreover, the CSC markers CD133, CD44 and ALDH1A1 of CSC-enriched H460 cells were reduced significantly following RM treatment.
CONCLUSION: RM could be a potent anti-metastatic agent by suppressing lung CSC-like phenotypes in H460 cells.
MATERIALS AND METHODS: Colony and spheroid formation assays, as well as western blotting analysis of lung CSC protein markers were employed to determine the CSC-like phenotypes of H460 lung cancer cells after treatment with RM at non-toxic concentrations.
RESULTS: RM treatment reduced significantly colony and spheroid formation of H460 cells. Moreover, the CSC markers CD133, CD44 and ALDH1A1 of CSC-enriched H460 cells were reduced significantly following RM treatment.
CONCLUSION: RM could be a potent anti-metastatic agent by suppressing lung CSC-like phenotypes in H460 cells.
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