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Related Experiment Videos

[Osteocalcin, a marker in diseases with elevated bone metabolism].

H Stracke, C Schatz, H Pralle

    Deutsche Medizinische Wochenschrift (1946)
    |September 20, 1985
    PubMed
    Summary

    Serum osteocalcin levels, a marker of bone metabolism, are elevated in primary hyperparathyroidism and can aid in early detection of breast cancer bone metastases.

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    Area of Science:

    • Biochemistry
    • Endocrinology
    • Oncology

    Context:

    • Osteocalcin, synthesized by osteoblasts, reflects bone metabolism.
    • Serum osteocalcin levels increase with heightened bone turnover.
    • Normal adult serum osteocalcin levels average 4.11 ng/ml, rising with age.

    Purpose:

    • To evaluate the clinical utility of serum osteocalcin measurements.
    • To assess osteocalcin levels in various bone-related conditions and cancers.
    • To compare osteocalcin with alkaline phosphatase in patient management.

    Summary:

    • Osteocalcin levels were significantly elevated in primary hyperparathyroidism (19.37 ng/ml) and showed elevation in breast cancer patients (6.57 ng/ml).
    • Serial measurements indicated differing dynamics between osteocalcin and alkaline phosphatase in some patients.

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  • Increased osteocalcin was observed in 3 of 17 multiple myeloma patients, though its diagnostic value remains unclear.

    • Impact:

    • Serum osteocalcin is clinically valuable for diagnosing primary hyperparathyroidism.
    • Osteocalcin measurement, alongside alkaline phosphatase, aids in early detection of bone metastases in breast cancer patients.
    • Further research is needed to determine the diagnostic significance of osteocalcin in multiple myeloma.