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Molecular Research in Three-Dimensional Model Systems for Pharmacological Approaches

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pathology, Diagnostics, and Therapeutics".

Deadline for manuscript submissions: 31 July 2024 | Viewed by 849

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; microfluidics; oral stem cells; restorative dentistry; osteoregeneration; biomaterials; epithelial–mesenchymal transition; extracellular vesicles; exosomes; liposomes
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Special Issue Information

Dear Colleagues,

Three-dimensional (3D) cell culture systems provide a novel method for the study of the stem cell culture and differentiation process. At present, 3D cell culture technology can cultivate a variety of specialized stem cells, pluripotent stem cells and embryonic stem cells.

Stem cells are widely studied for organ repair because they are easy to obtain and have great potential for multiline differentiation. For example, epithelial stem cells can be differentiated into absorbant cells, goblet cells, Panet cells and oligodendrocytes via 3D culture, and mesenchymal stem cells with self-renewal and differentiation also have the ability to differentiate into various types of cells, including chondrocytes, bone cells, fat cells, and nerve cells under specific culture conditions. They even form simple or complex three-dimensional structures such as spheres and organoids.

As such, 3D culture models can more effectively reproduce complex structures and the physiology of living tissues; therefore, the experimental results of stem-cell-based 3D culture models for drug testing and tissue-specific disease modeling are also more reliable than 2D culture models.

The current Special Issue focuses on novel developments and trends in 3D stem cell culture models in vitro, such as spheres, microfluidic devices, organoids, etc. These new technology platforms, combined with other disciplines such as genetics, bioinformatics, nanotechnology, pharmacology, etc., generate new ideas for tissue differentiation research and the future clinical application of tissue-specific diseases.

Authors are invited to contribute original research articles and reviews to this Special Issue focusing on molecular studies related to 3D culture models and the application of stem cells in translational medicine.

Dr. Guya Marconi
Dr. Francesca Diomede
Dr. Jacopo Pizzicanella
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • regenerative medicine
  • stem cells
  • microfluidics
  • oral stem cells
  • osteoregeneration
  • biomaterials
  • epithelial–mesenchymal transition
  • extracellular vesicles

Published Papers (1 paper)

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Research

15 pages, 2526 KiB  
Article
Human Dermal Decellularized ECM Hydrogels as Scaffolds for 3D In Vitro Skin Aging Models
by Estibaliz Fernandez-Carro, Ana Rosa Remacha, Irene Orera, Giuseppe Lattanzio, Alberto Garcia-Barrios, Jesús del Barrio, Clara Alcaine and Jesús Ciriza
Int. J. Mol. Sci. 2024, 25(7), 4020; https://doi.org/10.3390/ijms25074020 - 04 Apr 2024
Viewed by 657
Abstract
Biomaterials play an important role in the development of advancing three dimensional (3D) in vitro skin models, providing valuable insights for drug testing and tissue-specific modeling. Commercial materials, such as collagen, fibrin or alginate, have been widely used in skin modeling. However, they [...] Read more.
Biomaterials play an important role in the development of advancing three dimensional (3D) in vitro skin models, providing valuable insights for drug testing and tissue-specific modeling. Commercial materials, such as collagen, fibrin or alginate, have been widely used in skin modeling. However, they do not adequately represent the molecular complexity of skin components. On this regard, the development of novel biomaterials that represent the complexity of tissues is becoming more important in the design of advanced models. In this study, we have obtained aged human decellularized dermal extracellular matrix (dECM) hydrogels extracted from cadaveric human skin and demonstrated their potential as scaffold for advanced skin models. These dECM hydrogels effectively reproduce the complex fibrillar structure of other common scaffolds, exhibiting similar mechanical properties, while preserving the molecular composition of the native dermis. It is worth noting that fibroblasts embedded within human dECM hydrogels exhibit a behavior more representative of natural skin compared to commercial collagen hydrogels, where uncontrolled cell proliferation leads to material shrinkage. The described human dECM hydrogel is able to be used as scaffold for dermal fibroblasts in a skin aging-on-a-chip model. These results demonstrate that dECM hydrogels preserve essential components of the native human dermis making them a suitable option for the development of 3D skin aging models that accurately represent the cellular microenvironment, improving existing in vitro skin models and allowing for more reliable results in dermatopathological studies. Full article
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