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Hypoglobulinemia in acromegaly

R B Mims, R J Lopez, U A Finck

    Hormone and Metabolic Research = Hormon- Und Stoffwechselforschung = Hormones Et Metabolisme
    |July 1, 1976
    PubMed
    Summary

    Nearly half of acromegaly patients show low serum globulin levels, a persistent finding unrelated to disease severity or growth hormone levels. The cause of this hypoglobulinemia in acromegaly remains unknown.

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    Area of Science:

    • Endocrinology
    • Biochemistry
    • Internal Medicine

    Background:

    • Acromegaly is a chronic endocrine disorder caused by excess growth hormone (GH).
    • Potential metabolic disturbances in acromegaly are not fully understood.
    • Hypoglobulinemia is typically associated with severe illness or malnutrition.

    Purpose of the Study:

    • To investigate the prevalence and characteristics of hypoglobulinemia in patients with acromegaly.
    • To explore potential correlations between hypoglobulinemia and acromegaly parameters.
    • To identify possible underlying mechanisms for hypoglobulinemia in acromegaly.

    Main Methods:

    • Serum globulin levels were analyzed in 35 acromegaly patients using three distinct methods.
    • Patients' clinical data, including growth hormone levels, age, sex, and disease duration, were collected.
    • Comparison was made with hypoglobulinemia prevalence in control hospital in-patients.

    Main Results:

    • 48.6% of acromegaly patients exhibited apparent hypoglobulinemia, a persistent finding in many.
    • The deficiency was most pronounced in the alpha globulin fraction.
    • No correlation was found between hypoglobulinemia and growth hormone concentration, age, sex, treatment, or acromegaly severity/duration.
    • Hypoglobulinemia in controls was linked to severe illness and poor nutrition, factors absent in acromegaly patients.

    Conclusions:

    • A significant proportion of acromegaly patients present with unexplained hypoglobulinemia.
    • This finding is distinct from hypoglobulinemia associated with chronic illness or malnutrition.
    • Potential causes may involve altered growth hormone metabolism or protein synthesis defects in acromegaly.

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