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Title: Calcium Supplements Increase the Serum Levels of Crosslinked N-Telopeptides of Bone Collagen and Parathyroid Hormone in Rachitic Nigerian Children
Authors: Scariano, John K.
Vanderjagt, Dorothy J.
Thacher, Tom
Isichei, Christian O.
Hollis, Bruce W.
Glew, Robert H.
Keywords: rickets
serum NTx
alkaline phosphatase
bone markers
bone collagen
Issue Date: 1998
Publisher: Clinical Biochemistry
Series/Report no.: Vol.31;No.5; Pp 421–427
Abstract: Objectives: Biochemical markers of bone turnover were measured in the sera of 16 controls and 10 children with calcium-deficiency rickets, during a 12-week course of calcium supplementation (1 g CaCO3/d) that was effective in healing the bone lesions of the rachitic children. Design and methods: Serum levels of crosslinked N-telopeptides of bone collagen (NTx), parathyroid hormone (PTH), alkaline phosphatase (ALP), and urinary deoxypyridinoline (LP) were assayed at baseline and during the course of calcium therapy and compared with data of the 16 non-rachitic controls. Results: Calcium therapy suppressed serum NTx and PTH levels in the rachitic children within 24 h; however, after the first week, PTH and NTx levels increased to the extent that at 12 weeks both were elevated when compared with controls or to baseline levels. Serum levels of NTx and PTH were correlated in the controls and experimental subjects (r 5 0.63, p , 0.001). Conclusions: The rate of bone resorption, as estimated by serum NTx concentration, is increased during the healing of rachitic lesions. Copyright © 1998 The Canadian Society of Clinical Chemists
URI: http://hdl.handle.net/123456789/2628
ISSN: 0009-9120
Appears in Collections:Chemical Pathology

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