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Associated changes in stiffness of collagen scaffolds during osteoblast mineralisation and bone formation

Bakkalci, Deniz; Micalet, Auxtine; Al Hosni, Rawiya; Moeendarbary, Emad; Cheema, Umber; (2022) Associated changes in stiffness of collagen scaffolds during osteoblast mineralisation and bone formation. BMC Research Notes , 15 (1) , Article 310. 10.1186/s13104-022-06203-z. Green open access

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Abstract

OBJECTIVE: Engineering bone in 3D is important for both regenerative medicine purposes and for the development of accurate in vitro models of bone tissue. The changing material stiffness of bone tissue had not yet been monitored throughout the process of mineralisation and bone nodule formation by osteoblasts either during in vitro engineering or in development perspective. RESULTS: Within this short research note, stiffness changes (Young's modulus) during in vitro bone formation by primary osteoblasts in dense collagen scaffolds were monitored using atomic force microscopy. Data analysis revealed significant stiffening of 3D bone cultures at day 5 and 8 that was correlated with the onset of mineral deposition (p < 0.00005).

Type: Article
Title: Associated changes in stiffness of collagen scaffolds during osteoblast mineralisation and bone formation
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1186/s13104-022-06203-z
Publisher version: https://doi.org/10.1186/s13104-022-06203-z
Language: English
Additional information: Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.
Keywords: 3D models, AFM, Bone, ECM, Stiffness, Tissue engineering, Collagen, Osteoblasts, Osteogenesis, Tissue Engineering, Tissue Scaffolds
UCL classification: UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci > Department of Targeted Intervention
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci > Department of Ortho and MSK Science
URI: https://discovery.ucl.ac.uk/id/eprint/10156524
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