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[Osteocalcin in infants with rickets].

E M Luk'ianova, Iu G Antipkin, L I Omel'chenko

    Pediatriia
    |January 1, 1990
    PubMed
    Summary
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    Infants with rickets have lower blood osteocalcin (a vitamin K-dependent protein). Lower levels correlate with parathyroid hormone and higher calcium/calcitonin, suggesting osteocalcin as a marker for bone mineralization disorders.

    Area of Science:

    • Biochemistry
    • Pediatrics
    • Endocrinology

    Context:

    • Rickets is a pediatric condition characterized by bone deformities.
    • Vitamin K-dependent proteins play crucial roles in bone metabolism.
    • Osteocalcin is a key biomarker in bone health.

    Purpose:

    • To investigate the relationship between osteocalcin levels and rickets in infants.
    • To explore correlations between osteocalcin and key metabolic markers in rickets.
    • To evaluate osteocalcin's potential as a diagnostic marker for bone mineralization disorders.

    Summary:

    • Infants with rickets exhibit reduced blood osteocalcin levels, particularly in moderate calcipenic and phosphopenic forms.
    • A significant inverse correlation was observed between osteocalcin and parathyroid hormone.

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  • Direct correlations were found between osteocalcin and blood concentrations of total/ionized calcium and calcitonin.

    • Impact:

    • Osteocalcin measurement in children may serve as a valuable diagnostic tool for metabolic bone diseases.
    • This finding aids in understanding the pathophysiology of rickets.
    • Highlights the role of vitamin K-dependent proteins in pediatric bone health.