Cited by 153D Printing in Biomedical ResearchBone Tissue Engineering MaterialsTissue Engineering and Regenerative Medicine

Composite bioink incorporating cell-laden liver decellularized extracellular matrix for bioprinting of scaffolds for bone tissue engineering

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You, Pengyue, Sun, Hang, Chen, Haotian, Li, Changcan, Mao, Yilei, Zhang, Tao, Yang, Huayu, Dong, Haitao·2024·Biomaterials Advances

Abstract

The field of bone tissue engineering (BTE) has witnessed a revolutionary breakthrough with the advent of three-dimensional (3D) bioprinting technology, which is considered an ideal choice for constructing scaffolds for bone regeneration. The key to realizing scaffold biofunctions is the selection and design of an appropriate bioink, and existing bioinks have significant limitations. In this study, a composite bioink based on natural polymers (gelatin and alginate) and liver decellularized extracellular matrix (LdECM) was developed and used to fabricate scaffolds for BTE using 3D bioprinting. Through in vitro studies, the concentration of LdECM incorporated into the bioink was optimized to achieve printability and stability and to improve the proliferation and osteogenic differentiation of loaded rat bone mesenchymal stem cells (rBMSCs). Furthermore, in vivo experiments were conducted using a Sprague Dawley rat model of critical-sized calvarial defects. The proposed rBMSC-laden LdECM-gelatin-alginate scaffold, bioprinted layer-by-layer, was implanted in the rat calvarial defect and the development of new bone growth was studied for four weeks. The findings showed that the proposed bioactive scaffolds facilitated angiogenesis and osteogenesis at the defect site. The findings of this study suggest that the developed rBMSC-laden LdECM-gelatin-alginate bioink has great potential for clinical translation and application in solving bone regeneration problems.

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Crossref · 10.1016/j.bioadv.2024.214017

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Authors
You, P., Sun, H., Chen, H., Li, C., Mao, Y., Zhang, T., Yang, H., & Dong, H.
Affiliations
  • Chinese Academy of Medical Sciences & Peking Union Medical College (CN)
  • Capital Medical University (CN)
Corresponding author
  • Zhang, Tao
  • Yang, Huayu
  • Dong, Haitao
Venue
Biomaterials Advances
Publisher
Elsevier BV
Published
2024-12
Volume
165
Pages
214017
ISSN
2772-9508 (ISSN-L)
OpenAlex
W4402037439
Cited by
14
References
75
Citations by year
2026: 6 · 2025: 8
FWCI
1.54
Type
journal article
Language
en
Open access
Locations
  • Biomaterials Advances (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Funders
  • PUMCH
  • CAMS
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › 3D Printing in Biomedical Research
  • Physical Sciences › Engineering › Biomedical Engineering › Bone Tissue Engineering Materials
  • Health Sciences › Medicine › Surgery › Tissue Engineering and Regenerative Medicine
Keywords
gelatin, alginate, 3D bioprinting, bone tissue engineering, bone regeneration, bone mesenchymal stem cells, osteogenic differentiation, calvarial defect, angiogenesis, bone formation, natural polymers
MeSH terms
Decellularized Extracellular Matrix, Alginates, Animals, Bone and Bones, Bone Regeneration, Cell Differentiation, Extracellular Matrix, Gelatin, Ink, Liver, Osteogenesis, Rats, Sprague-Dawley, Tissue Engineering, Cell Proliferation, Rats, Tissue Scaffolds, Mesenchymal Stem Cells, Bioprinting, Printing, Three-Dimensional

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