Journal
CLINICAL BIOCHEMISTRY
Volume 77, Issue -, Pages 36-40Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.clinbiochem.2019.12.013
Keywords
Gestational diabetes mellitus; Bone metabolism; Bone turnover marker; Blood glucose
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Background: Bone turnover markers (BTMs) can be applied to the assessment of bone formation and bone resorption activity. The aim of this study was to investigate the changes in BTMs in women with gestational diabetes mellitus (GDM). Methods: One hundred and five women with gestational diabetes mellitus defined as the GDM group and 46 healthy pregnant women with normal glucose tolerance selected as the control group were enrolled in this study. Serum samples were collected during regular obstetric examinations and the serum levels of total procollagen type 1 N-terminal propeptide (P1NP), N-terminal midfragment of osteocalcin (N-MID), and beta-C-terminal telopeptide of type 1 collagen (beta-CTX) were measured. An independent-sample t-test, the Mann-Whitney U test, and a Pearson correlation analysis were performed for data analyses. Results: Serum beta-CTX levels in the GDM group were significantly higher than those in the control group (296.00 [235.00-369.00] pg/mL vs. 218.5 [165.25-292.50] pg/mL, p < 0.05), while P1NP and N-MID levels did not differ between the two groups. The Pearson correlation analysis revealed that beta-CTX level was correlated with blood glucose level. Conclusions: The difference in beta-CTX levels indicated that bone resorption in patients with GDM diabetes was higher than that in pregnant women with normal glucose tolerance. No obvious differences in bone formation markers P1NP and N-MID were found between the two groups.
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