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Review
. 2023 Dec;21(6):787-805.
doi: 10.1007/s11914-023-00822-6. Epub 2023 Oct 28.

Bone Material Properties in Bone Diseases Affecting Children

Adalbert Raimann  1   2 , Barbara M Misof  2   3 , Peter Fratzl  4 , Nadja Fratzl-Zelman  5   6
Affiliations
Review

Bone Material Properties in Bone Diseases Affecting Children

Adalbert Raimann et al. Curr Osteoporos Rep. 2023 Dec.

Abstract

Purpose of review: Metabolic and genetic bone disorders affect not only bone mass but often also the bone material, including degree of mineralization, matrix organization, and lacunar porosity. The quality of juvenile bone is moreover highly influenced by skeletal growth. This review aims to provide a compact summary of the present knowledge on the complex interplay between bone modeling and remodeling during skeletal growth and to alert the reader to the complexity of bone tissue characteristics in children with bone disorders.

Recent findings: We describe cellular events together with the characteristics of the different tissues and organic matrix organization (cartilage, woven and lamellar bone) occurring during linear growth. Subsequently, we present typical alterations thereof in disorders leading to over-mineralized bone matrix compared to those associated with low or normal mineral content based on bone biopsy studies. Growth spurts or growth retardation might amplify or mask disease-related alterations in bone material, which makes the interpretation of bone tissue findings in children complex and challenging.

Keywords: Bone material; Juvenile bone; Matrix mineralization; Metabolic bone disorders; Rare bone diseases.

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