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Nigerian Journal of Physiological Sciences

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Osteocalcin and bone-specific alkaline phosphatase in Sickle cell haemoglobinopathies

E.C Azinge, D.M Bolarin

Abstract


Osteocalcin or bone gamma-carboxyglutamic acid (gla) protein and Bone-specific alkaline phosphatase (b-AP) total protein levels were evaluated as indicators of bone turnover in twenty patients with sickle cell haemoglobinopathies and in twenty normal healthy individuals. The serum bonespecific alkaline phosphatase total protein level was measured by immunoradiometric (IRMA) method. The concentrations of serum bone-specific alkaline phosphatase total protein were higher in the study group than in the control group (p < 0.05). The serum osteocalcin (BGP) showed no significant difference with the control healthy subjects. There was no correlation between the serum osteocalcin and serum bone-specific alkaline phosphatase total protein in the patient group. In conclusion, serum bone-specific alkaline phosphatase total protein determined or measured by IRMA can be considered a sensitive marker of bone turnover and could be especially useful as valuable non-invasive biochemical marker for identifying sickle cell patients with bone complications.

Key Words: Bone-specific alkaline phosphatase (b-AP); Osteocalcin; sickle cell haemoglobinopathies




http://dx.doi.org/10.4314/njps.v21i1-2.53934
AJOL African Journals Online