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Bone Marrow and Wharton's Jelly Mesenchymal Stromal Cells Are Ineffective for Myocardial Repair in an Immunodeficient Rat Model of Chronic Ischemic Cardiomyopathy

Overview
Publisher Springer
Specialty Cell Biology
Date 2023 Jul 27
PMID 37500831
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Abstract

Background: Although cell therapy provides benefits for outcomes of heart failure, the most optimal cell type to be used clinically remains unknown. Most of the cell products used for therapy in humans require in vitro expansion to obtain a suitable number of cells for treatment; however, the clinical background of the donor and limited starting material may result in the impaired proliferative and reparative capacity of the cells expanded in vitro. Wharton's jelly mesenchymal cells (WJ MSCs) provide a multitude of advantages over adult tissue-derived cell products for therapy. These include large starting tissue material, superior proliferative capacity, and disease-free donors. Thus, WJ MSC if effective would be the most optimal cell source for clinical use.

Objectives: This study evaluated the therapeutic efficacy of Wharton's jelly (WJ) and bone marrow (BM) mesenchymal stromal cells (MSCs) in chronic ischemic cardiomyopathy in rats.

Methods: Human WJ MSCs and BM MSCs were expanded in vitro, characterized, and evaluated for therapeutic efficacy in a immunodeficient rat model of ischemic cardiomyopathy. Cardiac function was evaluated with hemodynamics and echocardiography. The extent of cardiac fibrosis, hypertrophy, and inflammation was assessed with histological analysis.

Results: In vitro analysis revealed that WJ MSCs and BM MSCs are morphologically and immunophenotypically indistinguishable. Nevertheless, the functional analysis showed that WJ MSCs have a superior proliferative capacity, less senescent phenotype, and distinct transcriptomic profile compared to BM MSC. WJ MSCs and BM MSC injected in rat hearts chronically after MI produced a small, but not significant improvement in heart structure and function. Histological analysis showed no difference in the scar size, collagen content, cardiomyocyte cross-sectional area, and immune cell count.

Conclusions: Human WJ and BM MSC have a small but not significant effect on cardiac structure and function when injected intramyocardially in immunodeficient rats chronically after MI.

Citing Articles

Intravenous infusions of mesenchymal stromal cells have cumulative beneficial effects in a porcine model of chronic ischaemic cardiomyopathy.

Tang X, Wysoczynski M, Gumpert A, Solanki M, Li Y, Wu W Cardiovasc Res. 2024; 120(15):1939-1952.

PMID: 39163570 PMC: 11630033. DOI: 10.1093/cvr/cvae173.

References
1.
Hou T, Xu J, Wu X, Xie Z, Luo F, Zhang Z . Umbilical cord Wharton's Jelly: a new potential cell source of mesenchymal stromal cells for bone tissue engineering. Tissue Eng Part A. 2009; 15(9):2325-34. DOI: 10.1089/ten.tea.2008.0402. View

2.
Banerjee M, Bolli R, Hare J . Clinical Studies of Cell Therapy in Cardiovascular Medicine: Recent Developments and Future Directions. Circ Res. 2018; 123(2):266-287. PMC: 8742222. DOI: 10.1161/CIRCRESAHA.118.311217. View

3.
Moore 4th J, Tang X, Zhao J, Fischer A, Wu W, Uchida S . Epigenetically modified cardiac mesenchymal stromal cells limit myocardial fibrosis and promote functional recovery in a model of chronic ischemic cardiomyopathy. Basic Res Cardiol. 2018; 114(1):3. PMC: 6335654. DOI: 10.1007/s00395-018-0710-1. View

4.
Hong K, Guo Y, Li Q, Cao P, Al-Maqtari T, Vajravelu B . c-kit+ Cardiac stem cells alleviate post-myocardial infarction left ventricular dysfunction despite poor engraftment and negligible retention in the recipient heart. PLoS One. 2014; 9(5):e96725. PMC: 4013035. DOI: 10.1371/journal.pone.0096725. View

5.
Heidel J, Fischer A, Tang X, Sadri G, Wu W, Moisa C . The Effect of Cardiogenic Factors on Cardiac Mesenchymal Cell Anti-Fibrogenic Paracrine Signaling and Therapeutic Performance. Theranostics. 2020; 10(4):1514-1530. PMC: 6993223. DOI: 10.7150/thno.41000. View