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Licensed Unlicensed Requires Authentication Published by De Gruyter August 27, 2015

Low serum sclerostin levels in newborns with vitamin D deficiency

  • Ozgur Pirgon EMAIL logo , Gonca Sandal , Hasan Cetin and Bumin Dundar


Background: Sclerostin is a glycoprotein produced by osteocytes that is being evaluated as a potential clinical marker of bone turnover. The aim of this study was to investigate the association between neonatal vitamin D status and levels of circulating sclerostin.

Methods: Forty newborns were recruited for the study. Vitamin D deficiency was defined as a serum 25-hydroxyvitamin D3 [25(OH)D] concentration <20 ng/mL and the newborns were divided into two groups as vitamin D deficient and vitamin D sufficient groups. Calcium, phosphate, alkaline phosphatase and sclerostin were measured at birth.

Results: Newborns with vitamin D deficiency had markedly lower 25(OH)D levels than vitamin D sufficient newborns (8.5±4.4 ng/mL vs. 35.3±10.6 ng/mL, p<0.001). Vitamin D deficient infants also had significantly lower serum sclerostin levels (188.4±21.9 vs. 282.3±30.4 pg/mL; p: 0.026) than vitamin D sufficient newborns at birth. However, we did not detect a significant linear association between neonatal sclerostin and maternal/neonatal 25(OH)D levels.

Conclusions: Our data also demonstrated that vitamin D deficient newborns exhibited lower sclerostin levels than vitamin D sufficient newborns. The low sclerostin level might serve as a marker of decreased osteocyte activity in newborns with vitamin D deficiency.

Corresponding author: Prof. Ozgur Pirgon, MD, Faculty of Medicine, Department of Pediatric Endocrinology and Diabetes, S.Demirel University, Isparta, Turkey, Phone: +902462119302


No financial assistance was received in support of the study.

Conflicts of interest statement: We do not have any financial and personal relationships with other people or organizations. There are no conflicts of interest.

Ethical conduct of research: The authors state that they have obtained appropriate institutional review board approval or have followed the principles outlined in the Declaration of Helsinki for all human or animal experimental investigations. In addition, for investigations involving newborns, informed consent has been obtained from the parents of the participants involved.

Statement of authorship: OP and GS carried out the literature review, sample size, data analysis, study design and drafted the manuscript. HC and BD helped with the design of the study, data analysis and drafting of the manuscript. All other authors participated in study design, completion of the study and finalization of the manuscript. All authors read and approved the final manuscript.


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Received: 2015-1-25
Accepted: 2015-7-27
Published Online: 2015-8-27
Published in Print: 2016-4-1

©2016 by De Gruyter

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