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Related Experiment Videos

A modified method for the estimation of galactose-1-phosphate.

J A Dobbie, J B Holton

    Annals of Clinical Biochemistry
    |May 1, 1986
    PubMed
    Summary

    This study presents a new radioenzymatic method for measuring galactose-1-phosphate, crucial for monitoring galactosaemia. The assay is reproducible, sensitive, and requires only a small blood sample.

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    Galactosaemia.

    Lancet (London, England)·1995

    Area of Science:

    • Biochemistry
    • Enzymology
    • Clinical Diagnostics

    Background:

    • Galactose-1-phosphate measurement is vital for monitoring galactosaemia.
    • Existing methods may have limitations in sensitivity or sample volume.

    Purpose of the Study:

    • To describe a novel radioenzymatic assay for quantifying galactose-1-phosphate.
    • To establish the reliability and sensitivity of this new diagnostic method.

    Main Methods:

    • Utilized red-cell haemolysates incubated with radiolabelled uridine diphospho-glucose.
    • Employed exogenous galactose-1-phosphate uridyl transferase to facilitate reaction.
    • Separated labelled glucose-1-phosphate from uridine diphospho-glucose via affinity chromatography.

    Main Results:

    • Developed a reproducible radioenzymatic assay for galactose-1-phosphate.
    • Achieved a low limit of detection, indicating high sensitivity.
    • Demonstrated the method's applicability using only 100 microL of packed red cells.

    Conclusions:

    • The described radioenzymatic method is a reliable and sensitive tool for galactose-1-phosphate measurement.
    • Its low sample volume requirement makes it suitable for routine monitoring of galactosaemia.
    • This assay offers a valuable advancement in the clinical management of galactosaemia.

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