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Related Experiment Videos

A simple rapid separation of C1-esterase using an immunoadsorbent column.

H Sumi, N Izumiya, M Muramatu

    Journal of Biochemistry
    |September 1, 1975
    PubMed
    Summary

    Researchers developed a rapid method using an immunoadsorbent-antibody column to isolate C1-esterase (complement C1 esterase) from human serum. This technique efficiently purified the enzyme with high yield and specific activity.

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    Area of Science:

    • Biochemistry
    • Immunology
    • Proteomics

    Background:

    • C1-esterase is a crucial enzyme in the complement system.
    • Efficient isolation methods are needed for studying complement pathways.

    Purpose of the Study:

    • To develop a rapid and efficient method for C1-esterase purification.
    • To characterize the yield and specific activity of purified C1-esterase.

    Main Methods:

    • Utilized an immunoadsorbent column with egg albumin-Sepharose-antibody.
    • Separated C1-esterase from normal human serum.

    Main Results:

    • Achieved rapid separation of C1-esterase.
    • Obtained 1.54 mg of C1-esterase.
    • Achieved a specific activity of 447 units/mg.
    • Reported over 80% yield from 20 ml of human serum.

    Conclusions:

    • The egg albumin-Sepharose-antibody column is effective for C1-esterase purification.
    • This method offers a high yield and specific activity for the enzyme.

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