Human Stem Cells in Disease Modelling and Treatment

A special issue of Biomedicines (ISSN 2227-9059). This special issue belongs to the section "Biomedical Engineering and Materials".

Deadline for manuscript submissions: 31 October 2024 | Viewed by 1041

Special Issue Editors


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Guest Editor
Algarve Biomedical Center Research Institute (ABC-RI), Universidade do Algarve, 8005-139 Faro, Portugal
Interests: disease modelling; iPSCs; disease mechanisms; cell therapy; retinal degeneration

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Guest Editor
Department of Regeneration and Cell Therapy, Andalusian Molecular Biology and Regenerative Medicine Centre (CABIMER), Avda. Américo Vespucio 24, 41092 Seville, Spain
Interests: stem cells; genome editing; cell therapy; ATMPs; retinal degeneration; AMD; stargardt; retinitis pigmentosa
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Special Issue Information

Dear Colleagues,

Over the last few decades, human stem cells have gained significant attention in biomedical research due to their unprecedented applications, both in terms of disease modelling and therapy. In addition, although rodents have been widely used as a model, they often fail to mirror the pathophysiology of human diseases due to species-specific differences.

This Special Issue of Biomedicines aims to highlight the most recent advances in the field of human stem cell modelling, translation, and clinical application. Topics of interest include, but are not limited to, the following:

  • Novel applications of human stem cells to study disease mechanisms;
  • The use of human stem cells in regenerative medicine;
  • Obstacles related to the cGMP compliance of human stem cells in regenerative medicine applications;
  • Other limitations in the clinical translation of human stem cells for regenerative medicine.

Dr. Sofia M. Calado
Dr. Álvaro Plaza Reyes
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • induced pluripotent stem cells (iPSCs)
  • embryonic stem cells (ESCs)
  • disease models
  • cell therapies
  • cell therapy medicinal products (CTMPs)
  • regenerative medicine

Published Papers (2 papers)

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Research

17 pages, 2933 KiB  
Article
Efficacy of Engraftment and Safety of Human Umbilical Di-Chimeric Cell (HUDC) Therapy after Systemic Intraosseous Administration in an Experimental Model
by Maria Siemionow, Lucile Chambily and Sonia Brodowska
Biomedicines 2024, 12(5), 1064; https://doi.org/10.3390/biomedicines12051064 (registering DOI) - 11 May 2024
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Abstract
Cell-based therapies hold promise for novel therapeutic strategies in regenerative medicine. We previously characterized in vitro human umbilical di-chimeric cells (HUDCs) created via the ex vivo fusion of human umbilical cord blood (UCB) cells derived from two unrelated donors. In this in vivo [...] Read more.
Cell-based therapies hold promise for novel therapeutic strategies in regenerative medicine. We previously characterized in vitro human umbilical di-chimeric cells (HUDCs) created via the ex vivo fusion of human umbilical cord blood (UCB) cells derived from two unrelated donors. In this in vivo study, we assessed HUDC safety and biodistribution in the NOD SCID mouse model at 90 days following the systemic intraosseous administration of HUDCs. Twelve NOD SCID mice (n = 6/group) received intraosseous injection of donor UCB cells (3.0 × 106) in Group 1, or HUDCs (3.0 × 106) in Group 2, without immunosuppression. Flow cytometry assessed hematopoietic cell surface markers in peripheral blood and the presence of HLA-ABC class I antigens in lymphoid and non-lymphoid organs. HUDC safety was assessed by weekly evaluations, magnetic resonance imaging (MRI), and at autopsy for tumorigenicity. At 90 days after intraosseous cell administration, the comparable expression of HLA-ABC class I antigens in selected organs was found in UCB control and HUDC therapy groups. MRI and autopsy confirmed safety by no signs of tumor growth. This study confirmed HUDC biodistribution to selected lymphoid organs following intraosseous administration, without immunosuppression. These data introduce HUDCs as a novel promising approach for immunomodulation in transplantation. Full article
(This article belongs to the Special Issue Human Stem Cells in Disease Modelling and Treatment)
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14 pages, 2126 KiB  
Article
Influence of the Tissue Collection Procedure on the Adipogenic Differentiation of Human Stem Cells: Ischemic versus Well-Vascularized Adipose Tissue
by Pallabi Pal, Abelardo Medina, Sheetal Chowdhury, Courtney A. Cates, Ratna Bollavarapu, Jon M. Person, Benjamin McIntyre, Joshua S. Speed and Amol V. Janorkar
Biomedicines 2024, 12(5), 997; https://doi.org/10.3390/biomedicines12050997 - 1 May 2024
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Abstract
Clinical and basic science applications using adipose-derived stem cells (ADSCs) are gaining popularity. The current adipose tissue harvesting procedures introduce nonphysiological conditions, which may affect the overall performance of the isolated ADSCs. In this study, we elucidate the differences between ADSCs isolated from [...] Read more.
Clinical and basic science applications using adipose-derived stem cells (ADSCs) are gaining popularity. The current adipose tissue harvesting procedures introduce nonphysiological conditions, which may affect the overall performance of the isolated ADSCs. In this study, we elucidate the differences between ADSCs isolated from adipose tissues harvested within the first 5 min of the initial surgical incision (well-vascularized, nonpremedicated condition) versus those isolated from adipose tissues subjected to medications and deprived of blood supply during elective free flap procedures (ischemic condition). ADSCs isolated from well-vascularized and ischemic tissues positively immunostained for several standard stem cell markers. Interestingly, the percent change in the CD36 expression for ADSCs isolated from ischemic versus well-vascularized tissue was significantly lower in males than females (p < 0.05). Upon differentiation and maturation to adipocytes, spheroids formed using ADSCs isolated from ischemic adipose tissue had lower triglyceride content compared to those formed using ADSCs isolated from the well-vascularized tissue (p < 0.05). These results indicate that ADSCs isolated from ischemic tissue either fail to uptake fatty acids or fail to efficiently convert those fatty acids into triglycerides. Therefore, more robust ADSCs suitable to establish in vitro adipose tissue models can be obtained by harvesting well-vascularized and nonpremedicated adipose tissues. Full article
(This article belongs to the Special Issue Human Stem Cells in Disease Modelling and Treatment)
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