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Bioactive compounds from Peperomia pellucida.

Su Xu1, Na Li, Meng-Meng Ning

  • 1The National Center for Drug Screening, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China.

Journal of Natural Products
|February 28, 2006
PubMed
Summary
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Five new compounds from Peperomia pellucida were identified, with two showing significant anticancer activity against multiple cell lines. One compound also demonstrated estrogen-like properties, highlighting the plant

Area of Science:

  • Phytochemistry
  • Natural Products Chemistry
  • Pharmacology

Background:

  • Peperomia pellucida is a medicinal plant with a history of traditional use.
  • Lignans and related compounds are known for diverse biological activities.
  • Isolation of novel compounds from natural sources is crucial for drug discovery.

Purpose of the Study:

  • To isolate and characterize new chemical constituents from Peperomia pellucida.
  • To evaluate the anticancer potential of isolated compounds against human cancer cell lines.
  • To investigate the estrogenic activity of specific isolated compounds.

Main Methods:

  • Phytochemical investigation using chromatographic techniques.
  • Structure elucidation of new compounds utilizing Nuclear Magnetic Resonance (NMR) and Mass Spectrometry (MS).

Related Experiment Videos

  • In vitro anticancer activity assays (HL-60, MCF-7, HeLa cell lines) and estrogen receptor binding assays (CV-1 cells).

    • Main Results:

    • Five new compounds (two secolignans, two tetrahydrofuran lignans, one dihydronaphthalenone) were isolated, along with known compounds.
    • Compound 1 and peperomin E exhibited significant growth inhibition against tested cancer cell lines (IC50 values 1.4–11.1 µM).
    • One isolated tetrahydrofuran lignan displayed estrogen-like properties (EC50 = 3.1 µM) in human estrogen receptor alpha (ERα) transfected cells.

    Conclusions:

    • Peperomia pellucida is a rich source of structurally diverse lignans and related compounds.
    • Compound 1 and peperomin E show promising anticancer activity, warranting further investigation.
    • The identified estrogen-like compound may have potential applications in hormone-related research or therapy.