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Antineoplastic agents. 52. Baileya multiradiata.

G R Pettit, C L Herald, G F Judd

    Lloydia
    |January 1, 1978
    PubMed
    Summary
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    Desert marigold compounds show potent anticancer activity. Researchers isolated several sesquiterpenes, with fastigilin C and radiatin demonstrating significant inhibition against murine lymphocytic leukemia P388.

    Area of Science:

    • Phytochemistry
    • Natural Products Chemistry
    • Pharmacology

    Background:

    • The Compositae family, including desert marigold (Baileya multiradiata), is a rich source of bioactive compounds.
    • Sesquiterpenes are a diverse class of natural products known for various biological activities.
    • Leukemia remains a significant health concern, driving the search for novel therapeutic agents.

    Purpose of the Study:

    • To investigate the potential anticancer properties of compounds isolated from Baileya multiradiata.
    • To identify specific sesquiterpenes responsible for inhibiting the growth of murine lymphocytic leukemia P388.

    Main Methods:

    • Bioassay-guided fractionation of extracts from Baileya multiradiata.
    • Isolation and structural elucidation of sesquiterpene compounds.

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  • In vitro testing of isolated compounds against the P388 leukemia cell line.

    • Main Results:

    • Several sesquiterpenes were isolated, including baileyin, fastigilins B and C, radiatin, pleniradin, and the novel compound multiradiatin.
    • Fastigilin C and radiatin exhibited the most potent inhibition of P388 leukemia cell growth.
    • The isolated compounds represent a series of pseudoguaianolides.

    Conclusions:

    • Baileya multiradiata produces sesquiterpenes with significant antitumor activity.
    • Fastigilin C and radiatin are promising lead compounds for further development against leukemia.
    • This study highlights the potential of natural products in cancer therapy.