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Biofunctionalized Scaffold in Regenerative Medicine-Series II

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Biomaterials".

Deadline for manuscript submissions: closed (10 November 2022) | Viewed by 3398

Special Issue Editors


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Guest Editor
Department of Innovative Technologies in Clinical Medicine & Dentistry, University “G. d'Annunzio” Chieti-Pescara, 66100 Chieti, Italy
Interests: regenerative medicine; stem cells; oral stem cells; biomaterials; extracellular vesicles; exosomes; epithelial- mesenchymal transition
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Guest Editor
Department of Engeneering and Geology, University “G. d'Annunzio” Chieti-Pescara, 66100 Chieti, Italy
Interests: regenerative medicine; stem cells; biomaterials; extracellular vesicles; exosomes; cardiac regeneration; cardiomyocytes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The use of a biofunctionalized scaffold with cells and/or soluble factors has emerged as a promising approach in the field of regenerative medicine. A biomaterial refers to a matrix that provides a specific environment and supports growth and development. An ideal scaffold must be biocompatible and nontoxic, and should improve cell viability, cell adhesion, and proliferation. Different scaffolds can be combined with cells, such as mesenchymal stem cells (MSCs), that can promote bone regeneration through differentiation towards the osteogenic lineage or the release of specific soluble factors, or scaffolds can be primed with soluble molecules, including growth factors that can be delivered in the environment, performing therapeutic actions. In recent years, many isolation and culture technologies have been proposed for obtaining a large number of MSCs. These technologies have promoted the application of stem cells in research into disease mechanisms and clinical therapy. MSCs have their own advantages for therapeutic applications, avoiding the risks of immune rejection, directional regulation, and ethical controversy.

Better evaluating the tissue regeneration in scaffold/stem cell models, determining if the emerging imaging technologies fulfill all of the requirements for stem cell therapy research at present, and realizing their improvement and the development of multimodal molecular imaging systems will effectively promote the understanding of stem cell therapy biology and its mechanisms.

The aim of this Special Issue is to provide an overview of ongoing scientific research to better understand the molecular mechanisms involved in tissue regeneration and the evaluation of the aptitude of biofunctionalized scaffolds for future clinical applications. In vitro and/or in vivo studies could have a substantial impact on the development of stem cell-based regeneration strategies and in the identification of key biological regulation processes.

Dr. Francesca Diomede
Dr. Jacopo Pizzicanella
Guest Editors

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Keywords

  • regenerative medicine
  • tissue engineering
  • mesenchymal stem cells
  • 3D-construct

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Published Papers (1 paper)

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Research

20 pages, 4929 KiB  
Article
Decellularized Pig Kidney with a Micro-Nano Secondary Structure Contributes to Tumor Progression in 3D Tumor Model
by Shuangjia Yang, Le Zheng, Zilong Chen, Zeren Jiao, Tianqing Liu, Yi Nie, Yue Kang, Bo Pan and Kedong Song
Materials 2022, 15(5), 1935; https://doi.org/10.3390/ma15051935 - 4 Mar 2022
Cited by 7 | Viewed by 2667
Abstract
In spite of many anti-cancer drugs utilized in clinical treatment, cancer is still one of the diseases with the highest morbidity and mortality worldwide, owing to the complexity and heterogeneity of the tumor microenvironment. Compared with conventional 2D tumor models, 3D scaffolds could [...] Read more.
In spite of many anti-cancer drugs utilized in clinical treatment, cancer is still one of the diseases with the highest morbidity and mortality worldwide, owing to the complexity and heterogeneity of the tumor microenvironment. Compared with conventional 2D tumor models, 3D scaffolds could provide structures and a microenvironment which stimulate native tumor tissues more accurately. The extracellular matrix (ECM) is the main component of the cell in the microenvironment that is mainly composed of three-dimensional nanofibers, which can form nanoscale fiber networks, while the decellularized extracellular matrix (dECM) has been widely applied to engineered scaffolds. In this study, pig kidney was used as the source material to prepare dECM scaffolds. A chemical crosslinking method was used to improve the mechanical properties and other physical characteristics of the decellularized pig kidney-derived scaffold. Furthermore, a human breast cancer cell line (MCF-7) was used to further investigate the biocompatibility of the scaffold to fabricate a tumor model. The results showed that the existence of nanostructures in the scaffold plays an important role in cell adhesion, proliferation, and differentiation. Therefore, the pig kidney-derived matrix scaffold prepared by decellularization could provide more cell attachment sites, which is conducive to cell adhesion and proliferation, physiological activities, and tumor model construction. Full article
(This article belongs to the Special Issue Biofunctionalized Scaffold in Regenerative Medicine-Series II)
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