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The influence of LTS-4, a saponoside from Lysimachia thyrsiflora L., on human skin fibroblasts and human melanoma cells


We investigated the effect of a triterpene saponoside from Lysimachia thyrsiflora L. upon the viability, proliferation, morphology and cell motility of human melanoma HTB-140 cells and human skin fibroblasts (HSFs). The compound, denoted LTS-4, decreased the viability and rate of cell growth of both cell types in a time-and dose-dependent manner, and proved cytotoxic against cancer cells at significantly lower concentrations than for fibroblasts. LTS-4 also affected the morphology of the examined cells, causing vacuolisation and actin cytoskeleton disintegration, and had an inhibitory effect on the tumour cell motility.



coefficient of movement efficiency


phosphate buffered saline


thin-layer chromatography

TRITC phalloidin:

phalloidin-conjugated tetramethylrhodamine B isothiocyanate


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Correspondence to Agnieszka Galanty.

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Galanty, A., Michalik, M., Sędek, Ł. et al. The influence of LTS-4, a saponoside from Lysimachia thyrsiflora L., on human skin fibroblasts and human melanoma cells. Cell Mol Biol Lett 13, 585–598 (2008).

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Key words

  • Triterpene saponoside
  • Cytotoxicity
  • Lysimachia thyrsiflora L.
  • Melanoma
  • Fibroblasts