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BMC Musculoskeletal Disorders
Published in: BMC Musculoskeletal Disorders 1/2018

Open Access 01-12-2018 | Research article

SR-FTIR as a tool for quantitative mapping of the content and distribution of extracellular matrix in decellularized book-shape bioscaffolds

Authors: Yongchun Zhou, Can Chen, Zhu Guo, Shanshan Xie, Jianzhong Hu, Hongbin Lu

Published in: BMC Musculoskeletal Disorders | Issue 1/2018

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Abstract

Background

To evaluate synchrotron radiation-based Fourier transform infrared microspectroscopy (SR-FTIR) as a tool for quantitative mapping of the content and distribution of the extracellular matrix in decellularized fibrocartilage bioscaffolds, and to provide a new platform for quantitatively characterizing bioscaffolds for tissue engineering.

Methods

Fibrocartilage was harvested and cut into book-shape bioscaffolds (N = 54), which were then decellularized. The structures and distribution of collagen fibrous and intrinsic ultrastructure in decellularized fibrocartilage bioscaffolds were evaluated by histological staining and scanning electron microscopy (SEM), respectively. The content of collagen and proteoglycan in the cellularized or decellularized bioscaffolds were also measured by SR-FTIR and biochemical assay.

Results

Book-shape fibrocartilage decellularized bioscaffolds were successfully obtained. Histological examination revealed that the structure of extracellular matrix endured during decellularization. Histology and DNA quantification analysis confirmed substantial removal of cells during decellularization. SEM demonstrated that intrinsic ultrastructure of the fibrocartilage bioscaffold was also well preserved. SR-FTIR quantitative analysis confirmed that decellularization had a significant effect on the content and distribution of collagen and proteoglycan in fibrocartilage bioscaffolds, these results are confirmed with the biochemical assay results.

Conclusion

SR-FTIR imaging can capture the histological morphology of decellularized bioscaffolds. Moreover, it can be used for quantitative mapping of the content and distribution of collagen in the bioscaffolds.
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Metadata
Title
SR-FTIR as a tool for quantitative mapping of the content and distribution of extracellular matrix in decellularized book-shape bioscaffolds
Authors
Yongchun Zhou
Can Chen
Zhu Guo
Shanshan Xie
Jianzhong Hu
Hongbin Lu
Publication date
01-12-2018
Publisher
BioMed Central
Published in
BMC Musculoskeletal Disorders / Issue 1/2018
Electronic ISSN: 1471-2474
DOI
https://doi.org/10.1186/s12891-018-2149-9

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