Extracellular Matrix Biomaterial for Tissue Engineering and Regenerative Medicine, 2nd Edition

A special issue of Bioengineering (ISSN 2306-5354). This special issue belongs to the section "Regenerative Engineering".

Deadline for manuscript submissions: 31 May 2026 | Viewed by 2003

Special Issue Editors


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Guest Editor
Section of Hematology and Medical Oncology, Department of Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
Interests: extracellular matrix; tissue engineering; tumor microenvironment; stem cells; breast cancer
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Guest Editor
Section of Hematology and Medical Oncology, Department of Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
Interests: 3D bioprinting; photo-crosslinkable biomaterials; extracellular matrix; breast cancer; microphysiological systems; microfluidics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The development of benchtop models and superior biomaterials that better recapitulate native conditions is of critical importance for more accurate disease modeling and tissue engineering applications. Key components of native tissue can include stromal cells, the extracellular matrix (ECM), and surrounding signaling molecules. Chief among the components is the ECM, composed of several classes of macromolecules that are each responsible for balancing the physical and chemical composition. The ECM’s topography (fiber diameter and orientation) plays a critical role in cell adhesion, migration, and proliferation, with changes leading to mechanical stimuli altering signaling pathways. Changes in protein composition and matrix stiffness have also been identified when tissue undergoes trauma or disease. The second edition of this Special Issue “Extracellular Matrix Biomaterial for Tissue Engineering and Regenerative Medicine” is focused on recent advancements in investigating the properties of the extracellular matrix and developing tools to recapitulate in vivo properties for use within tissue engineering and regenerative medicine applications.

The scope of this Special Issue includes, but is not limited to, the following topics:

  • Novel methods to generate, isolate, and characterize the ECM;
  • ECM protein distribution or changes;
  • Disease modeling using native ECMs;
  • Engineered biomaterials;
  • Three-dimensional biofabrication methods;
  • New technologies for synthetic materials to mimic native tissue.

Bringing together experts across different disciplines is paramount for the field to continue to develop and further increase its scientific impact.

Dr. Elizabeth C. Martin
Dr. Jorge Alfonso Belgodere
Guest Editors

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Keywords

  • extracellular matrix
  • ECM protein
  • biomaterials
  • 3D bioprinting
  • tissue engineering
  • regenerative medicine

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Related Special Issue

Published Papers (2 papers)

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Research

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17 pages, 4590 KB  
Article
Beyond Decellularization: Remnant Mitochondrial DNA Can Act as Hidden Damage-Associated Molecular Pattern
by Elena V. A. van Hengel, Kuan Liu, Henk P. Roest, Jorke Willemse, Kimberley Ober-Vliegen, Selina M. W. Teurlings, Jeroen de Jonge, Monique M. A. Verstegen and Luc J. W. van der Laan
Bioengineering 2026, 13(2), 193; https://doi.org/10.3390/bioengineering13020193 - 9 Feb 2026
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Abstract
Tissue decellularization aims to obtain bioscaffolds for regenerative applications by removing all cellular components while preserving the extracellular matrix (ECM) architecture. Although decellularization removes the majority of linear nuclear DNA (nDNA), residual amounts remain detectable. However, the fate of circular mitochondrial DNA (mtDNA) [...] Read more.
Tissue decellularization aims to obtain bioscaffolds for regenerative applications by removing all cellular components while preserving the extracellular matrix (ECM) architecture. Although decellularization removes the majority of linear nuclear DNA (nDNA), residual amounts remain detectable. However, the fate of circular mitochondrial DNA (mtDNA) after decellularization has not yet been reported. Cell death or injury can cause the release of mtDNA, which is resistant to breakdown by exonucleases. Extracellular mtDNA acts as a damage-associated molecular pattern (DAMP) that can trigger immune responses. The aim of this study is to assess the presence of residual mtDNA in the liver, bile duct, and vascular scaffolds after decellularization and whether this causes inflammatory responses in macrophages. Decellularized tissues showed a marked reduction in total DNA content well below the threshold of 50 ng/mg tissue. However, in liver and vascular scaffolds, a relative increase in the mtDNA:nDNA ratio was detected in the remnant DNA fraction. Residual mtDNA in bioscaffolds acted as DAMPs causing macrophage activation, as shown by increased cell proliferation and cytokine production. Strategies to further reduce remnant mtDNA were tested. We found that treatment with the endonuclease enzyme HpaII was effective in degrading residual mtDNA. Importantly, mtDNA removal resulted in a significantly reduced macrophage activation. In conclusion, our study shows that mtDNA is relatively resistant to the decellularization procedure and can act as a DAMP in bioscaffolds. This underscores the importance of removing mtDNA from decellularized bioscaffolds to improve the immunocompatibility for biomedical applications. Full article
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Review

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17 pages, 1285 KB  
Review
The Extracellular Matrix in Liver Regeneration: Biological and Therapeutic Insights
by Haodong Ma, Wenyue Wu, Wen Zhang, Hong Li, Ziyan Pan, Caihong Wang, Ruoyu Gao, Qiushuang Ji, Zhi Chen, Hong You and Wei Chen
Bioengineering 2026, 13(3), 335; https://doi.org/10.3390/bioengineering13030335 - 13 Mar 2026
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Abstract
The liver possesses a remarkable regenerative capacity following injury, a process fundamentally orchestrated by the dynamic extracellular matrix (ECM). Far beyond a passive scaffold, the liver matrisome functions as an integrative mechano-biochemical circuit. It comprises a core structural network together with regulatory non-core [...] Read more.
The liver possesses a remarkable regenerative capacity following injury, a process fundamentally orchestrated by the dynamic extracellular matrix (ECM). Far beyond a passive scaffold, the liver matrisome functions as an integrative mechano-biochemical circuit. It comprises a core structural network together with regulatory non-core components that collectively establish a dynamic niche. This niche stores and releases mitogenic cues, transmits mechanical forces, and coordinates multicellular crosstalk. Through receptors like integrins and mechanosensitive channels, ECM-derived signals converge on key pathways, including Hippo-YAP/TAZ and Wnt/β-catenin, to drive hepatocyte proliferation and tissue restructuring. The balance between matrix stabilization and remodeling dictates the outcome, guiding physiological regeneration versus fibrotic progression. Consequently, the ECM emerges as a central therapeutic target and a blueprint for engineering strategies aimed at restoring liver function. Strategies to recalibrate its composition, mechanics, and remodeling, from pharmacological inhibitors to bioengineered decellularized ECM scaffolds, hold significant potential for steering liver repair and combating chronic liver disease. Full article
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