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Regenerative therapy by using mesenchymal stem cells-derived exosomes in COVID-19 treatment. The potential role and
Najmeh Kaffash Farkhad1,2, Ali Mahmoudi3,2, Elahe Mahdipour3
1Immunology Research Center, Department of Immunology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Insights
Mesenchymal Stem Cells (MSCs) and their exosomes offer new therapeutic potential for COVID-19. These nanoparticles may mitigate disease by reducing inflammation and modulating the immune response, bypassing the ACE2 receptor.
Area of Science:
- Immunology
- Cell Biology
- Virology
Background:
- COVID-19, caused by SARS-CoV-2, is a global pandemic with high transmission and mortality.
- The virus utilizes the Angiotensin-Converting Enzyme 2 (ACE2) receptor, present on many host cells, leading to immune dysfunction and multi-organ failure.
- Current treatments lack specificity, necessitating novel therapeutic strategies.
Purpose of the Study:
- To review the therapeutic potential of Mesenchymal Stem Cells (MSCs) and their exosomes in treating COVID-19.
- To explore the underlying mechanisms of exosome-mediated therapeutic effects.
- To investigate how MSC-derived exosomes can overcome ACE2 receptor dependency.
Main Methods:
- Literature review of recent findings on MSCs, exosomes, and COVID-19.
- Analysis of the biological properties of exosomes, including their cargo and paracrine effects.
- Examination of the immunomodulatory and anti-inflammatory actions of MSC-derived exosomes.
Main Results:
- MSCs lack ACE2 receptor expression, making them a potential therapeutic alternative.
- MSC-derived exosomes mediate therapeutic effects primarily through paracrine signaling.
- Exosomes possess anti-inflammatory and immunomodulatory properties beneficial for COVID-19 treatment.
Conclusions:
- Exosomes derived from MSCs represent a promising cell-free therapeutic approach for COVID-19.
- Their ability to modulate immune responses and reduce inflammation offers a novel treatment avenue.
- Further research into exosome-based therapies is warranted for managing COVID-19.
Abstract:
COVID-19 disease caused by the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), started in December 2019 in Wuhan, China, and quickly became the global pandemic. The high spread rate, relatively high mortality rate, and the lack of specific medicine have led researchers and clinicians worldwide to find new treatment strategies. Unfortunately, evidence shows that the virus-specific receptor Angiotensin-Converting Enzyme 2 (ACE-2) is present on the surface of most cells in the body, leading to immune system dysfunction and multi-organ failure in critically ill patients. In this context, the use of Mesenchymal Stem Cells (MSCs) and their secret has opened new therapeutic horizons for patients due to the lack of ACE2 receptor expression. MSCs exert their beneficial therapeutic actions, particularly anti-inflammatory and immunomodulatory properties, mainly through paracrine effects which are mediated by exosomes. Exosomes are bilayer nanovesicles that carry a unique cargo of proteins, lipids and functional nucleic acids based on their cell origin. This review article aims to investigate the possible role of exosomes and the underlying mechanism involved in treating COVID-19 disease based on recent findings.
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