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Egyptian Journal of Histology
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Volume Volume 48 (2025)
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Volume Volume 46 (2023)
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solaiman, A., Abd-el-Moneim, R. (2023). Therapeutic Effect of Bone Marrow Derived Mesenchymal Stem Cells Versus their Exosomes on Isoproterenol Induced Ventricular Myocardium Changes in Adult Rats: A Histological, Immunohistochemical and Biochemical Study. Egyptian Journal of Histology, 46(2), 641-666. doi: 10.21608/ejh.2022.108964.1599
amany Abdel Moneim solaiman; Rehab Ahmed Abd-el-Moneim. "Therapeutic Effect of Bone Marrow Derived Mesenchymal Stem Cells Versus their Exosomes on Isoproterenol Induced Ventricular Myocardium Changes in Adult Rats: A Histological, Immunohistochemical and Biochemical Study". Egyptian Journal of Histology, 46, 2, 2023, 641-666. doi: 10.21608/ejh.2022.108964.1599
solaiman, A., Abd-el-Moneim, R. (2023). 'Therapeutic Effect of Bone Marrow Derived Mesenchymal Stem Cells Versus their Exosomes on Isoproterenol Induced Ventricular Myocardium Changes in Adult Rats: A Histological, Immunohistochemical and Biochemical Study', Egyptian Journal of Histology, 46(2), pp. 641-666. doi: 10.21608/ejh.2022.108964.1599
solaiman, A., Abd-el-Moneim, R. Therapeutic Effect of Bone Marrow Derived Mesenchymal Stem Cells Versus their Exosomes on Isoproterenol Induced Ventricular Myocardium Changes in Adult Rats: A Histological, Immunohistochemical and Biochemical Study. Egyptian Journal of Histology, 2023; 46(2): 641-666. doi: 10.21608/ejh.2022.108964.1599

Therapeutic Effect of Bone Marrow Derived Mesenchymal Stem Cells Versus their Exosomes on Isoproterenol Induced Ventricular Myocardium Changes in Adult Rats: A Histological, Immunohistochemical and Biochemical Study

Article 12, Volume 46, Issue 2, June 2023, Page 641-666  XML PDF (17.32 MB)
Document Type: Original Article
DOI: 10.21608/ejh.2022.108964.1599
Cited by Scopus (2)
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Authors
amany Abdel Moneim solaimanorcid 1; Rehab Ahmed Abd-el-Moneim email orcid 2
1Department of histology and cell biology, faculty of medicine , Alexandria Univeristy Egypt
2Department of histology and cell biology, faculty of medicine, Alexandria university
Abstract
Introduction: Myocardial infarctionrepresents a life-threatening condition. The mechanisms involve the accumulation of reactive oxygen species and hypoxia. Immediate therapeutic intervention of bone marrow derived mesenchymal stem cells (BM-MSCs) and their exosomes have been investigated for their possible therapeutic effects to avoid cardiac remodeling and fibrosis.
Aim of the Work: To investigate the therapeutic potential of BM-MSCs versus their exosomes to influence the isoproterenol (ISO) induced myocardial changes in a rat model.
Materials and Methods: 32 adult male albino rats were divided into five groups: Control group, ISO group ( received ISO in a dose of 85mg/Kg body weight subcutaneously, twice at 24 hours interval, and sacrificed four weeks after the last dose), exosomes and stem cells treated groups (injected via the tail vein by 100μg of exosomes or 1.2 x 106 of BM-MSCs respectively, 24 hours after the last dose of ISO and sacrificed after four weeks) and recovery group (received ISO, left for four weeks after the last dose of ISO, then sacrificed). Samples from the left ventricle were processed for histological assessment using light and electron microscopes. Immunohistochemical assessment of anti-caspase-3 was included. The right ventricles were homogenized for assessment of malondialdehyde, total antioxidant capacity, tumor necrosis factor- alpha and transforming growth factor beta1. Troponin I and creatine kinase were also assessed in the serum.
Results: Histologically, the ISO group revealed degenerative changes in the form of myocytolysis, cellular infiltration and nuclear changes. Serum levels of Troponin I, and Creatine kinasewere significantly increased. Significant increase inthe anti-caspase-3 reaction was demonstrated morphometrically. Both exosome and stem cell groups revealed improvement in different assessed parameters that was more evident in the exosome treated group.
Conclusion: Exosomes proved to demonstrate more potent therapeutic effect as compared to BM-MSCs on isoproterenol induced ventricular myocardium change, thus regarded as a promising therapeutic strategy in myocardial infarction.
Keywords
Exosomes; myocardial infarction; remodeling; stem cells
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