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A novel class of antitumour agents. III. Morphological findings in treated cells

A Emminger, D S Savage

    Cancer Letters
    |September 1, 1977
    PubMed

    Insights

    The synthetic amino steroid, 2beta,16beta-dipiperidino-5alpha-androstane-3alpha,17beta-diol dipivalate (DAP), caused intracellular light-reflecting droplets and clotted mitoses in various cell types. DAP interacts with cellular membranes during most cell life stages.

    Area of Science:

    • Cell biology
    • Pharmacology
    • Biochemistry

    Background:

    • Synthetic amino steroids are investigated for their biological effects.
    • Understanding drug-cell interactions is crucial for pharmacology.
    • Cell cycle regulation is fundamental to cell biology.

    Purpose of the Study:

    • To investigate the effects of 2beta,16beta-dipiperidino-5alpha-androstane-3alpha,17beta-diol dipivalate (DAP) on cellular structures and processes.
    • To determine the interaction of DAP with cellular membranes throughout the cell cycle.

    Main Methods:

    • Incubation of Walker and HeLa cells, human lymphocytes, and rat fibroblasts with DAP.
    • Microscopic examination of intracellular light-reflecting droplets and mitotic figures.
    • Postulation of DAP-membrane interactions based on observed cellular effects.

    Main Results:

    • Intracellular light-reflecting droplets were observed in treated cells.
    • Clotted mitoses were identified in various cell types after DAP incubation.
    • DAP was postulated to interact with cellular membranes in all cell cycle phases except Go-phase.

    Conclusions:

    • DAP induces distinct morphological changes in mammalian cells.
    • The synthetic amino steroid DAP exhibits membrane-interactive properties.
    • DAP's interaction with cell membranes is cell cycle-dependent, excluding the Go-phase.

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