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Published in: Calcified Tissue International 2/2018

01-08-2018 | Original Research

Irradiation-Induced Compositional Effects on Human Bone After Extracorporeal Therapy for Bone Sarcoma

Authors: S. Chauhan, S. A. Khan, A. Prasad

Published in: Calcified Tissue International | Issue 2/2018

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Abstract

The present study investigates Raman scattering of human bone irradiated with 50 Gy single dose during therapeutic treatment of Ewing and Osteosarcoma. Bone quality was evaluated via mineral-to-matrix ratio, degree of crystallinity, change in amount of calcium, and carbonate substitution. Alteration in collagen and its cross-links was quantified through second-derivative deconvolution of Amide I peak. A dose of 50 Gy radiation leads to almost 50% loss of mineral content, while maintaining mineral crystallinity, and small changes in carbonate substitution. Deconvolution of Amide I suggested modifications in collagen structure via increase in amount of enzymatic trivalent cross-linking (p < 0.05). Overall irradiation led to detrimental effect on bone quality via changes in its composition, consequently reducing its elastic modulus with increased plasticity. The study thus quantifies effect of single-dose 50 Gy radiation on human bone, which in turn is necessary for designing improved radiation dosage during ECRT and for better understanding post-operative care.
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Metadata
Title
Irradiation-Induced Compositional Effects on Human Bone After Extracorporeal Therapy for Bone Sarcoma
Authors
S. Chauhan
S. A. Khan
A. Prasad
Publication date
01-08-2018
Publisher
Springer US
Published in
Calcified Tissue International / Issue 2/2018
Print ISSN: 0171-967X
Electronic ISSN: 1432-0827
DOI
https://doi.org/10.1007/s00223-018-0408-2

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