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Cytotoxic polyhydroxy serratene triterpenoids from Lycopodium complanatum.

Qiuzhu Dong1, Zhenxing Zou1, Xiaohui Jia2

  • 1Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, PR China.

Bioorganic Chemistry
|March 27, 2019
PubMed
Summary

Researchers identified six new polyhydroxy serratene triterpenoids from Lycopodium complanatum. These compounds showed selective cytotoxic activities against human cancer cells, particularly MCF-7 cells.

Keywords:
Cytotoxic activitiesLycopodium complanatumPolyhydroxy serratene triterpenoids

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Area of Science:

  • Natural Product Chemistry
  • Phytochemistry
  • Medicinal Chemistry

Background:

  • Lycopodium complanatum is a plant species known for its diverse phytochemical constituents.
  • Triterpenoids are a class of natural compounds with a wide range of biological activities.
  • Identifying novel bioactive compounds from natural sources is crucial for drug discovery.

Purpose of the Study:

  • To isolate and characterize new polyhydroxy serratene triterpenoids from Lycopodium complanatum.
  • To evaluate the cytotoxic activities of these isolated compounds against various human cancer cell lines.
  • To propose potential biosynthesis pathways for the identified compounds.

Main Methods:

  • Phytochemical investigation of the 70% aqueous ethanol extract of Lycopodium complanatum.
  • Structure elucidation using High-Resolution Electrospray Ionization Mass Spectrometry (HRESIMS) and 1D/2D Nuclear Magnetic Resonance (NMR) spectroscopy.
  • Cytotoxicity assays against HepG2, MCF-7, A549, Calu-6, NCI-H441, NCI-H226, and NCI-H1975 cell lines.

Main Results:

  • Six new polyhydroxy serratene triterpenoids (serrat A-F, 1-6) and one known analogue (7) were isolated and characterized.
  • Several isolated compounds exhibited inhibitory effects on the proliferation of human cancer cells.
  • All tested compounds demonstrated selective cytotoxic activity against MCF-7 cells.

Conclusions:

  • The study successfully identified novel triterpenoids from Lycopodium complanatum with promising anticancer properties.
  • The selective cytotoxicity against MCF-7 cells suggests potential therapeutic applications.
  • Further research into the biosynthesis and mechanism of action of these compounds is warranted.