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Related Experiment Videos

Serum trace elements and vitamin A in leprosy subtypes

R Sher, G Shulman, P Baily

    The American Journal of Clinical Nutrition
    |September 1, 1981
    PubMed
    Summary

    Leprosy patients, particularly the lepromatous form, show altered serum levels of essential nutrients. This study found lower zinc, iron, and vitamin A, and higher copper in lepromatous leprosy, suggesting a nutrient redistribution mechanism.

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    Area of Science:

    • Nutritional biochemistry
    • Immunology
    • Infectious diseases

    Background:

    • Leprosy is a chronic infectious disease affecting skin and nerves.
    • Nutritional status, including trace elements and vitamins, may be altered in leprosy.
    • Understanding these alterations is crucial for patient management.

    Purpose of the Study:

    • To investigate serum levels of zinc, copper, iron, and vitamin A in leprosy patients.
    • To compare these levels between different forms of leprosy (tuberculoid vs. lepromatous).
    • To explore potential mechanisms behind observed nutrient level changes.

    Main Methods:

    • Serum samples were collected from leprosy patients and healthy controls.
    • Patients were classified using the Ridley and Jopling scale into tuberculoid and lepromatous groups.
    • Levels of zinc, copper, iron, and vitamin A were quantified in serum.

    Main Results:

    • Lepromatous leprosy patients exhibited significantly lower serum zinc and iron levels.
    • Elevated serum copper levels were observed in the lepromatous group.
    • Vitamin A levels were significantly lower in lepromatous patients compared to tuberculoid patients, with true lepromatous cases showing the lowest levels.

    Conclusions:

    • Lepromatous leprosy is associated with significant alterations in serum zinc, iron, copper, and vitamin A.
    • These changes may result from a redistribution of trace elements from blood to tissues, possibly mediated by inflammatory responses.
    • Further research into the precise mechanisms and clinical implications of these nutrient imbalances is warranted.

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