Article (Scientific journals)
Serum sclerostin levels in men with idiopathic osteoporosis
Lapauw, Bruno; Vandewalle, S.; Taes, Y. et al.
2013In European Journal of Endocrinology, 168 (4), p. 615-620
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Abstract :
[en] Objective: Sclerostin inhibits osteoblast differentiation and bone formation. If aberrant sclerostin action is involved in less efficient bone acquisition in men with idiopathic low bone mass, this might be reflected in higher serum sclerostin levels. Methods: In 116 men with idiopathic osteoporosis (%65 years old), 40 of their sons and healthy controls, areal bone parameters were measured using dual-energy X-ray absorptiometry, and volumetric and geometric bone parameters were measured using peripheral quantitative computed tomography. Serum analytes were measured using immunoassays and estradiol (E2) levels using liquid chromatography–tandem mass spectrometry. Results: Men with idiopathic low bone mass had lower levels of sclerostin than the controls (0.54G 0.17 vs 0.66G0.23 ng/ml; P!0.001). In both groups, sclerostin levels were strongly associated with age; when adjusting for age, no associations with anthropometrics were observed (PO0.14). In multivariate analyses, sclerostin levels displayed a positive association with whole-body bone mineral content (BMC) and areal BMD (aBMD), as well as with trabecular and cortical volumetric bone mineral density (vBMD) at the tibia in the probands. No clear associations were observed in the control group, neither were sclerostin levels associated with BMC at the radius or lumbar spine (all PO0.11). Testosterone, but not E2, was inversely related to sclerostin levels in the probands. No difference in sclerostin levels was found in their sons when compared with their controls. Conclusion: Lower rather than higher serum sclerostin levels in the probands with idiopathic low bone mass suggest that aberrant sclerostin secretion is not involved in the pathogenesis of low bone mass in these subjects.
Disciplines :
Laboratory medicine & medical technology
Author, co-author :
Lapauw, Bruno
Vandewalle, S.
Taes, Y.
Goemaere, S.
Zmierczak, H.
COLLETTE, Julien ;  Centre Hospitalier Universitaire de Liège - CHU > Chimie médicale
Kaufman, J.M.
Language :
English
Title :
Serum sclerostin levels in men with idiopathic osteoporosis
Publication date :
2013
Journal title :
European Journal of Endocrinology
ISSN :
0804-4643
eISSN :
1479-683X
Publisher :
BioScientifica Ltd, Bristol, United Kingdom
Volume :
168
Issue :
4
Pages :
615-620
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 27 January 2014

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