Stem Cell Research on Cardiology: Series 2

A special issue of Cells (ISSN 2073-4409). This special issue belongs to the section "Stem Cells".

Deadline for manuscript submissions: closed (1 December 2021) | Viewed by 2506

Special Issue Editor


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Guest Editor
1. Department of Cardiac Surgery, Rostock University Medical Center, 18057 Rostock, Germany
2. Department of Life, Light & Matter, Interdisciplinary Faculty, Rostock University, 18059 Rostock, Germany
Interests: cardiovascular diseases; pluripotent stem cells; ESCs; iPSCs; adult stem cells; cell replacement; direct reprogramming; cardiac regeneration; stem cell optimisation; cell targeting; sinus node; biological pacemaker; cell therapy; gene therapy; forward programming; organoid; disease-in-the-dish
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Special Issue Information

Dear Colleagues,

Cardiovascular diseases are the leading cause of death in developed countries with very limited therapeutic options. A major cause lies in the very restricted regenerative capacity of terminally differentiated cardiomyocytes post injury – therefore novel approaches toward cardiac regenerative therapy is highly desired. Following injury oft, the myocardium, resident cardiac fibroblasts, representing over 50% of the cells in the heart, start to proliferate and produce an extracellular matrix, which will ultimately lead to fibrosis and heart failure. A large number of preclinical and clinical trials have shown stem cell therapy to be a promising therapeutic approach for the treatment of cardiovascular diseases. Since the first transplantation into human patients, several stem cell types have been applied in this field, including bone marrow-derived stem cells, cardiac progenitors as well as embryonic and induced pluripotent stem cells and their derivatives. In addition, the novel field of direct cardiac reprogramming brought promising advances in vitro and in vivo, opening an additional future field for cardiovascular regenerative medicine. In order to optimize these approaches, it will be crucial to elucidate the underlying mechanisms mediating the beneficial effects of stem cell transplantation or direct reprogramming. Based on these mechanisms, scientists have begun to develop different improvement strategies to boost the potency of stem cell repair and to generate the "next generation" of cell-based therapeutics. Programming success, homogeneity, and integrity of cells will further benefit from state-of-the-art single-cell-NGS technology. The current Special Issue will accept original studies, reviews, and technical reports in the field of cardiovascular stem cell biology and reprogramming, written by scientists active in the field.

Prof. Robert David
Guest Editor

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Keywords

  • Cardiovascular diseases
  • Pluripotent stem cells
  • ESCs
  • iPSCs
  • Adult Stem Cells
  • Cell replacement
  • Direct Reprogramming
  • Cardiac regeneration
  • Stem cell optimisation
  • Cell Targeting

Published Papers (1 paper)

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Research

14 pages, 27110 KiB  
Article
Conditioned Medium from Mesenchymal Stem Cells Alleviates Endothelial Dysfunction of Vascular Grafts Submitted to Ischemia/Reperfusion Injury in 15-Month-Old Rats
by Sevil Korkmaz-Icöz, Xiaoxin Sun, Shiliang Li, Paige Brlecic, Sivakkanan Loganathan, Mihály Ruppert, Alex Ali Sayour, Tamás Radovits, Matthias Karck and Gábor Szabó
Cells 2021, 10(5), 1231; https://doi.org/10.3390/cells10051231 - 17 May 2021
Cited by 3 | Viewed by 1928
Abstract
In patients undergoing coronary artery bypass grafting (CABG), ischemia/reperfusion injury (IRI) is the main contributor to organ dysfunction. Aging-induced vascular damage may be further aggravated during CABG. Favorable effects of conditioned medium (CM) from mesenchymal stem cells (MSCs) have been suggested against IRI. [...] Read more.
In patients undergoing coronary artery bypass grafting (CABG), ischemia/reperfusion injury (IRI) is the main contributor to organ dysfunction. Aging-induced vascular damage may be further aggravated during CABG. Favorable effects of conditioned medium (CM) from mesenchymal stem cells (MSCs) have been suggested against IRI. We hypothesized that adding CM to saline protects vascular grafts from IRI in rats. We found that CM contains 28 factors involved in apoptosis, inflammation, and oxidative stress. Thoracic aortic rings from 15-month-old rats were explanted and immediately mounted in organ bath chambers (aged group) or underwent 24 h of cold ischemic preservation in saline-supplemented either with vehicle (aged-IR group) or CM (aged-IR+CM group), prior to mounting. Three-month-old rats were used as referent young animals. Aging was associated with an increase in intima-to-media thickness, an increase in collagen content, higher caspase-12 mRNA levels, and immunoreactivity compared to young rats. Impaired endothelium-dependent vasorelaxation to acetylcholine in the aged-IR group compared to the aged-aorta was improved by CM (aged 61 ± 2% vs. aged-IR 38 ± 2% vs. aged-IR+CM 50 ± 3%, p < 0.05). In the aged-IR group, the already high mRNA levels of caspase-12 were decreased by CM. CM alleviates endothelial dysfunction following IRI in 15-month-old rats. The protective effect may be related to the inhibition of caspase-12 expression. Full article
(This article belongs to the Special Issue Stem Cell Research on Cardiology: Series 2)
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