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A growth factor from spinal cord.

T Jennings, R D Jones, A Lipton

    Journal of Cellular Physiology
    |August 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Researchers purified a novel growth factor from bovine spinal cord. This basic polypeptide, distinct from other known factors, shows mitogenic activity in the central nervous system.

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    Area of Science:

    • Neuroscience
    • Molecular Biology
    • Biochemistry

    Background:

    • Mitogenic activity, crucial for cell growth and repair, is found throughout the central nervous system.
    • Understanding the specific factors driving this activity is key to advancing neurobiology and regenerative medicine.

    Purpose of the Study:

    • To isolate and characterize a novel growth factor from neonatal bovine spinal cord.
    • To determine the biochemical properties and differentiate it from known growth factors.

    Main Methods:

    • Purification of the growth factor from neonatal bovine spinal cord.
    • Determination of isoelectric point (pI) and molecular weight.
    • Assessment of stability under varying pH conditions.
    • Analysis of protein mobility on SDS polyacrylamide gels.

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    Main Results:

    • A basic polypeptide growth factor was successfully purified from neonatal bovine spinal cord.
    • The purified factor exhibits a pI of 9.5-9.8 and a molecular weight of approximately 11,000 daltons.
    • The growth factor is inactivated by extreme acidic or basic conditions.
    • Its electrophoretic mobility differs from pituitary FGF and brain FGF-1, suggesting it is a distinct molecular entity.

    Conclusions:

    • A novel spinal cord growth factor with specific biochemical characteristics has been identified.
    • This factor's unique properties suggest a distinct role in central nervous system development or repair.
    • Further research is warranted to elucidate its precise biological functions and therapeutic potential.