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Assay for Adhesion and Agar Invasion in S. cerevisiae
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Assay for Adhesion and Agar Invasion in S. cerevisiae

Published on: November 8, 2006

Response of neoplastic and non-neoplastic cells to a yeast extract

J C Fardon, M E Poydock, Y Tsuchiya

    Journal of Surgical Oncology
    |January 1, 1978
    PubMed

    Insights

    An extract from Saccharomyces cerevisiae, known as PCO, effectively halts cell division in specific mouse ascites tumors. However, PCO did not impact established tumor cell lines or healthy primary cells in vitro.

    Area of Science:

    • Biochemistry
    • Cell Biology
    • Pharmacology

    Background:

    • The yeast Saccharomyces cerevisiae produces various bioactive compounds.
    • Investigating natural compounds for anti-cancer properties is crucial in drug discovery.

    Purpose of the Study:

    • To evaluate the anti-mitotic effects of PCO, an extract from Saccharomyces cerevisiae.
    • To determine the specificity of PCO's action on neoplastic versus non-neoplastic cells.

    Main Methods:

    • PCO was tested against four types of mouse ascites tumors.
    • Established in vitro cell lines of six tumors and four non-neoplastic cell types were used.
    • Primary cultures of mouse embryo fibroblasts and granulocytic blast cells were also assessed.

    Main Results:

    • PCO demonstrated significant inhibition of mitosis in four distinct ascites tumors.
    • Established tumor cell lines and non-neoplastic cell lines in vitro were unaffected by PCO.
    • Primary cultures of mouse embryo cells and granulocytic blast cells showed no mitotic inhibition.

    Conclusions:

    • PCO exhibits selective anti-mitotic activity against specific types of mouse ascites tumors.
    • PCO does not inhibit cell division in established cell lines or primary healthy cells, suggesting a targeted mechanism.

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