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Related Experiment Videos

Interferon production by human marrow stromal cells.

G Shah, T M Dexter, M Lanotte

    British Journal of Haematology
    |July 1, 1983
    PubMed
    Summary

    Normal human bone marrow stromal cells can produce high levels of beta-interferon (IFN). These cells offer a sustainable and normal alternative for human IFN production and research.

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    Area of Science:

    • Biotechnology
    • Immunology
    • Cell Biology

    Background:

    • Human interferon (IFN) production is crucial for therapeutic applications.
    • Existing cell lines for IFN production have limitations in terms of longevity and normality.
    • Bone marrow stromal cells are investigated for their potential in cellular therapies and as a source of biological factors.

    Purpose of the Study:

    • To investigate the potential of normal human bone marrow stromal cells to produce beta-interferon (IFN).
    • To compare the IFN-producing capacity of these stromal cells with established producer cell lines.
    • To assess the characteristics and suitability of these stromal cell lines for large-scale IFN production and research.

    Main Methods:

    • Culturing and induction of beta-interferon (IFN) production in human bone marrow stromal cell lines.
    • Quantification of beta-IFN, alpha-IFN, and gamma-IFN levels produced by the stromal cells.
    • Comparison of IFN production levels with MG-63 osteosarcoma cells.
    • Assessment of cell line characteristics, including karyotype, viral transformation status, and subculturing potential.

    Main Results:

    • Normal human bone marrow stromal cells can be induced to produce high levels of beta-interferon (IFN).
    • One stromal cell line produced beta-IFN comparable to the MG-63 osteosarcoma cell line.
    • Stromal cell lines did not produce gamma-IFN but showed low-level alpha-IFN production.
    • The stromal cell lines exhibited extended subculturing capabilities and maintained IFN production, while remaining karyotypically normal and not virus-transformed.

    Conclusions:

    • Normal human bone marrow stromal cells represent a viable and advantageous source for producing high levels of beta-interferon (IFN).
    • These cells offer a sustainable and genetically normal alternative to current IFN-producing cell lines.
    • The characterized stromal cell lines are suitable for both industrial human IFN production and for studying IFN's role in cell interactions.

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