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Urinary pyridinoline cross-links as biomarkers of osteogenesis imperfecta


Lindert, Uschi; Kraenzlin, Marius; Campos-Xavier, Ana Belinda; Baumgartner, Matthias R; Bonafé, Luisa; Giunta, Cecilia; Rohrbach, Marianne (2015). Urinary pyridinoline cross-links as biomarkers of osteogenesis imperfecta. Orphanet Journal of Rare Diseases, 10(104):online.

Abstract

Osteogenesis imperfecta (OI) is a group of genetic heterogeneous connective tissue disorders characterized by increased bone fragility and susceptibility to fractures. Laboratory diagnosis relies on time-consuming and cost-intensive biochemical and molecular genetics analyses. Therefore, it is desirable to identify and establish new diagnostic markers for OI that are reliable, cost-effective and easily accessible. In our study we have identified the ratio of the urinary pyridinoline cross-links lysyl-pyridinoline and hydroxylysyl-pyridinoline as a promising, time- and cost-effective biomarker for osteogenesis imperfecta, that could be used furthermore to investigate cases of suspected non-accidental injury in infants.

Abstract

Osteogenesis imperfecta (OI) is a group of genetic heterogeneous connective tissue disorders characterized by increased bone fragility and susceptibility to fractures. Laboratory diagnosis relies on time-consuming and cost-intensive biochemical and molecular genetics analyses. Therefore, it is desirable to identify and establish new diagnostic markers for OI that are reliable, cost-effective and easily accessible. In our study we have identified the ratio of the urinary pyridinoline cross-links lysyl-pyridinoline and hydroxylysyl-pyridinoline as a promising, time- and cost-effective biomarker for osteogenesis imperfecta, that could be used furthermore to investigate cases of suspected non-accidental injury in infants.

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Additional indexing

Item Type:Journal Article, refereed, further contribution
Communities & Collections:04 Faculty of Medicine > University Children's Hospital Zurich > Medical Clinic
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2015
Deposited On:12 Jan 2016 09:28
Last Modified:05 Apr 2016 19:50
Publisher:BioMed Central
ISSN:1750-1172
Additional Information:Letter to the editor
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1186/s13023-015-0315-9
PubMed ID:26306627

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