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Related Experiment Videos

Hypercupremia associated with a monoclonal immunoglobulin

R A Lewis, D E Hultquist, B L Baker

    The Journal of Laboratory and Clinical Medicine
    |September 1, 1976
    PubMed
    Summary

    This study details a rare case of high blood copper (hypercupremia) linked to a specific protein, suggesting early-stage multiple myeloma. Treatment focused on the underlying cancer rather than just copper levels.

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    Area of Science:

    • Biochemistry
    • Hematology
    • Ophthalmology

    Background:

    • Copper is vital for physiological systems, yet most diseases cause minor copper level changes.
    • Marked hypercupremia is uncommon and warrants investigation into its underlying causes.

    Observation:

    • A healthy woman presented with significantly elevated blood copper and copper deposits in her eyes.
    • A unique immunoglobulin G (IgG) was identified, tightly binding to serum copper.

    Findings:

    • Balance and radioisotopic studies indicated normal copper absorption and excretion.
    • The elevated copper was attributed to specific binding with an anomalous IgG, indicative of preclinical multiple myeloma.

    Implications:

    • This case highlights a novel presentation of multiple myeloma.

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  • It suggests that copper homeostasis can be disrupted by specific protein interactions in certain hematological disorders.
  • Effective management requires addressing the underlying malignancy rather than solely focusing on copper reduction.